1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Touchscreen driver DMI based configuration code
4  *
5  * Copyright (c) 2017 Red Hat Inc.
6  *
7  * Red Hat authors:
8  * Hans de Goede <hdegoede@redhat.com>
9  */
10 
11 #include <linux/acpi.h>
12 #include <linux/device.h>
13 #include <linux/dmi.h>
14 #include <linux/efi_embedded_fw.h>
15 #include <linux/i2c.h>
16 #include <linux/notifier.h>
17 #include <linux/property.h>
18 #include <linux/string.h>
19 
20 struct ts_dmi_data {
21 	/* The EFI embedded-fw code expects this to be the first member! */
22 	struct efi_embedded_fw_desc embedded_fw;
23 	const char *acpi_name;
24 	const struct property_entry *properties;
25 };
26 
27 /* NOTE: Please keep all entries sorted alphabetically */
28 
29 static const struct property_entry archos_101_cesium_educ_props[] = {
30 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1850),
31 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
32 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
33 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
34 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
35 	PROPERTY_ENTRY_BOOL("silead,home-button"),
36 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-archos-101-cesium-educ.fw"),
37 	{ }
38 };
39 
40 static const struct ts_dmi_data archos_101_cesium_educ_data = {
41 	.acpi_name      = "MSSL1680:00",
42 	.properties     = archos_101_cesium_educ_props,
43 };
44 
45 static const struct property_entry bush_bush_windows_tablet_props[] = {
46 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1850),
47 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
48 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
49 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
50 	PROPERTY_ENTRY_BOOL("silead,home-button"),
51 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-bush-bush-windows-tablet.fw"),
52 	{ }
53 };
54 
55 static const struct ts_dmi_data bush_bush_windows_tablet_data = {
56 	.acpi_name      = "MSSL1680:00",
57 	.properties     = bush_bush_windows_tablet_props,
58 };
59 
60 static const struct property_entry chuwi_hi8_props[] = {
61 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1665),
62 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
63 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
64 	PROPERTY_ENTRY_BOOL("silead,home-button"),
65 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi8.fw"),
66 	{ }
67 };
68 
69 static const struct ts_dmi_data chuwi_hi8_data = {
70 	.acpi_name      = "MSSL0001:00",
71 	.properties     = chuwi_hi8_props,
72 };
73 
74 static const struct property_entry chuwi_hi8_air_props[] = {
75 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
76 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1148),
77 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
78 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-chuwi-hi8-air.fw"),
79 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
80 	{ }
81 };
82 
83 static const struct ts_dmi_data chuwi_hi8_air_data = {
84 	.acpi_name	= "MSSL1680:00",
85 	.properties	= chuwi_hi8_air_props,
86 };
87 
88 static const struct property_entry chuwi_hi8_pro_props[] = {
89 	PROPERTY_ENTRY_U32("touchscreen-min-x", 6),
90 	PROPERTY_ENTRY_U32("touchscreen-min-y", 3),
91 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
92 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1148),
93 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
94 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-chuwi-hi8-pro.fw"),
95 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
96 	PROPERTY_ENTRY_BOOL("silead,home-button"),
97 	{ }
98 };
99 
100 static const struct ts_dmi_data chuwi_hi8_pro_data = {
101 	.embedded_fw = {
102 		.name	= "silead/gsl3680-chuwi-hi8-pro.fw",
103 		.prefix = { 0xf0, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00 },
104 		.length	= 39864,
105 		.sha256	= { 0xc0, 0x88, 0xc5, 0xef, 0xd1, 0x70, 0x77, 0x59,
106 			    0x4e, 0xe9, 0xc4, 0xd8, 0x2e, 0xcd, 0xbf, 0x95,
107 			    0x32, 0xd9, 0x03, 0x28, 0x0d, 0x48, 0x9f, 0x92,
108 			    0x35, 0x37, 0xf6, 0x8b, 0x2a, 0xe4, 0x73, 0xff },
109 	},
110 	.acpi_name	= "MSSL1680:00",
111 	.properties	= chuwi_hi8_pro_props,
112 };
113 
114 static const struct property_entry chuwi_hi10_air_props[] = {
115 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1981),
116 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1271),
117 	PROPERTY_ENTRY_U32("touchscreen-min-x", 99),
118 	PROPERTY_ENTRY_U32("touchscreen-min-y", 9),
119 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
120 	PROPERTY_ENTRY_U32("touchscreen-fuzz-x", 5),
121 	PROPERTY_ENTRY_U32("touchscreen-fuzz-y", 4),
122 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi10-air.fw"),
123 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
124 	PROPERTY_ENTRY_BOOL("silead,home-button"),
125 	{ }
126 };
127 
128 static const struct ts_dmi_data chuwi_hi10_air_data = {
129 	.acpi_name	= "MSSL1680:00",
130 	.properties	= chuwi_hi10_air_props,
131 };
132 
133 static const struct property_entry chuwi_hi10_plus_props[] = {
134 	PROPERTY_ENTRY_U32("touchscreen-min-x", 12),
135 	PROPERTY_ENTRY_U32("touchscreen-min-y", 10),
136 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1908),
137 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1270),
138 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi10plus.fw"),
139 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
140 	PROPERTY_ENTRY_BOOL("silead,home-button"),
141 	PROPERTY_ENTRY_BOOL("silead,pen-supported"),
142 	PROPERTY_ENTRY_U32("silead,pen-resolution-x", 8),
143 	PROPERTY_ENTRY_U32("silead,pen-resolution-y", 8),
144 	{ }
145 };
146 
147 static const struct ts_dmi_data chuwi_hi10_plus_data = {
148 	.embedded_fw = {
149 		.name	= "silead/gsl1680-chuwi-hi10plus.fw",
150 		.prefix = { 0xf0, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00 },
151 		.length	= 34056,
152 		.sha256	= { 0xfd, 0x0a, 0x08, 0x08, 0x3c, 0xa6, 0x34, 0x4e,
153 			    0x2c, 0x49, 0x9c, 0xcd, 0x7d, 0x44, 0x9d, 0x38,
154 			    0x10, 0x68, 0xb5, 0xbd, 0xb7, 0x2a, 0x63, 0xb5,
155 			    0x67, 0x0b, 0x96, 0xbd, 0x89, 0x67, 0x85, 0x09 },
156 	},
157 	.acpi_name      = "MSSL0017:00",
158 	.properties     = chuwi_hi10_plus_props,
159 };
160 
161 static const u32 chuwi_hi10_pro_efi_min_max[] = { 8, 1911, 8, 1271 };
162 
163 static const struct property_entry chuwi_hi10_pro_props[] = {
164 	PROPERTY_ENTRY_U32("touchscreen-min-x", 80),
165 	PROPERTY_ENTRY_U32("touchscreen-min-y", 26),
166 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1962),
167 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1254),
168 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
169 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi10-pro.fw"),
170 	PROPERTY_ENTRY_U32_ARRAY("silead,efi-fw-min-max", chuwi_hi10_pro_efi_min_max),
171 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
172 	PROPERTY_ENTRY_BOOL("silead,home-button"),
173 	PROPERTY_ENTRY_BOOL("silead,pen-supported"),
174 	PROPERTY_ENTRY_U32("silead,pen-resolution-x", 8),
175 	PROPERTY_ENTRY_U32("silead,pen-resolution-y", 8),
176 	{ }
177 };
178 
179 static const struct ts_dmi_data chuwi_hi10_pro_data = {
180 	.embedded_fw = {
181 		.name	= "silead/gsl1680-chuwi-hi10-pro.fw",
182 		.prefix = { 0xf0, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00 },
183 		.length	= 42504,
184 		.sha256	= { 0xdb, 0x92, 0x68, 0xa8, 0xdb, 0x81, 0x31, 0x00,
185 			    0x1f, 0x58, 0x89, 0xdb, 0x19, 0x1b, 0x15, 0x8c,
186 			    0x05, 0x14, 0xf4, 0x95, 0xba, 0x15, 0x45, 0x98,
187 			    0x42, 0xa3, 0xbb, 0x65, 0xe3, 0x30, 0xa5, 0x93 },
188 	},
189 	.acpi_name      = "MSSL1680:00",
190 	.properties     = chuwi_hi10_pro_props,
191 };
192 
193 static const struct property_entry chuwi_hibook_props[] = {
194 	PROPERTY_ENTRY_U32("touchscreen-min-x", 30),
195 	PROPERTY_ENTRY_U32("touchscreen-min-y", 4),
196 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1892),
197 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1276),
198 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
199 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
200 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hibook.fw"),
201 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
202 	PROPERTY_ENTRY_BOOL("silead,home-button"),
203 	{ }
204 };
205 
206 static const struct ts_dmi_data chuwi_hibook_data = {
207 	.embedded_fw = {
208 		.name	= "silead/gsl1680-chuwi-hibook.fw",
209 		.prefix = { 0xf0, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00 },
210 		.length	= 40392,
211 		.sha256	= { 0xf7, 0xc0, 0xe8, 0x5a, 0x6c, 0xf2, 0xeb, 0x8d,
212 			    0x12, 0xc4, 0x45, 0xbf, 0x55, 0x13, 0x4c, 0x1a,
213 			    0x13, 0x04, 0x31, 0x08, 0x65, 0x73, 0xf7, 0xa8,
214 			    0x1b, 0x7d, 0x59, 0xc9, 0xe6, 0x97, 0xf7, 0x38 },
215 	},
216 	.acpi_name      = "MSSL0017:00",
217 	.properties     = chuwi_hibook_props,
218 };
219 
220 static const struct property_entry chuwi_vi8_props[] = {
221 	PROPERTY_ENTRY_U32("touchscreen-min-x", 4),
222 	PROPERTY_ENTRY_U32("touchscreen-min-y", 6),
223 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1724),
224 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
225 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
226 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-chuwi-vi8.fw"),
227 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
228 	PROPERTY_ENTRY_BOOL("silead,home-button"),
229 	{ }
230 };
231 
232 static const struct ts_dmi_data chuwi_vi8_data = {
233 	.acpi_name      = "MSSL1680:00",
234 	.properties     = chuwi_vi8_props,
235 };
236 
237 static const struct ts_dmi_data chuwi_vi8_plus_data = {
238 	.embedded_fw = {
239 		.name	= "chipone/icn8505-HAMP0002.fw",
240 		.prefix = { 0xb0, 0x07, 0x00, 0x00, 0xe4, 0x07, 0x00, 0x00 },
241 		.length	= 35012,
242 		.sha256	= { 0x93, 0xe5, 0x49, 0xe0, 0xb6, 0xa2, 0xb4, 0xb3,
243 			    0x88, 0x96, 0x34, 0x97, 0x5e, 0xa8, 0x13, 0x78,
244 			    0x72, 0x98, 0xb8, 0x29, 0xeb, 0x5c, 0xa7, 0xf1,
245 			    0x25, 0x13, 0x43, 0xf4, 0x30, 0x7c, 0xfc, 0x7c },
246 	},
247 };
248 
249 static const struct property_entry chuwi_vi10_props[] = {
250 	PROPERTY_ENTRY_U32("touchscreen-min-x", 0),
251 	PROPERTY_ENTRY_U32("touchscreen-min-y", 4),
252 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1858),
253 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
254 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-chuwi-vi10.fw"),
255 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
256 	PROPERTY_ENTRY_BOOL("silead,home-button"),
257 	{ }
258 };
259 
260 static const struct ts_dmi_data chuwi_vi10_data = {
261 	.acpi_name      = "MSSL0002:00",
262 	.properties     = chuwi_vi10_props,
263 };
264 
265 static const struct property_entry chuwi_surbook_mini_props[] = {
266 	PROPERTY_ENTRY_U32("touchscreen-min-x", 88),
267 	PROPERTY_ENTRY_U32("touchscreen-min-y", 13),
268 	PROPERTY_ENTRY_U32("touchscreen-size-x", 2040),
269 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1524),
270 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-surbook-mini.fw"),
271 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
272 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
273 	{ }
274 };
275 
276 static const struct ts_dmi_data chuwi_surbook_mini_data = {
277 	.acpi_name      = "MSSL1680:00",
278 	.properties     = chuwi_surbook_mini_props,
279 };
280 
281 static const struct property_entry connect_tablet9_props[] = {
282 	PROPERTY_ENTRY_U32("touchscreen-min-x", 9),
283 	PROPERTY_ENTRY_U32("touchscreen-min-y", 10),
284 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1664),
285 	PROPERTY_ENTRY_U32("touchscreen-size-y", 880),
286 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
287 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
288 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-connect-tablet9.fw"),
289 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
290 	{ }
291 };
292 
293 static const struct ts_dmi_data connect_tablet9_data = {
294 	.acpi_name      = "MSSL1680:00",
295 	.properties     = connect_tablet9_props,
296 };
297 
298 static const struct property_entry csl_panther_tab_hd_props[] = {
299 	PROPERTY_ENTRY_U32("touchscreen-min-x", 1),
300 	PROPERTY_ENTRY_U32("touchscreen-min-y", 20),
301 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
302 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1526),
303 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
304 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
305 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-csl-panther-tab-hd.fw"),
306 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
307 	{ }
308 };
309 
310 static const struct ts_dmi_data csl_panther_tab_hd_data = {
311 	.acpi_name      = "MSSL1680:00",
312 	.properties     = csl_panther_tab_hd_props,
313 };
314 
315 static const struct property_entry cube_iwork8_air_props[] = {
316 	PROPERTY_ENTRY_U32("touchscreen-min-x", 1),
317 	PROPERTY_ENTRY_U32("touchscreen-min-y", 3),
318 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1664),
319 	PROPERTY_ENTRY_U32("touchscreen-size-y", 896),
320 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
321 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3670-cube-iwork8-air.fw"),
322 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
323 	{ }
324 };
325 
326 static const struct ts_dmi_data cube_iwork8_air_data = {
327 	.embedded_fw = {
328 		.name	= "silead/gsl3670-cube-iwork8-air.fw",
329 		.prefix = { 0xf0, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00 },
330 		.length	= 38808,
331 		.sha256	= { 0xff, 0x62, 0x2d, 0xd1, 0x8a, 0x78, 0x04, 0x7b,
332 			    0x33, 0x06, 0xb0, 0x4f, 0x7f, 0x02, 0x08, 0x9c,
333 			    0x96, 0xd4, 0x9f, 0x04, 0xe1, 0x47, 0x25, 0x25,
334 			    0x60, 0x77, 0x41, 0x33, 0xeb, 0x12, 0x82, 0xfc },
335 	},
336 	.acpi_name	= "MSSL1680:00",
337 	.properties	= cube_iwork8_air_props,
338 };
339 
340 static const struct property_entry cube_knote_i1101_props[] = {
341 	PROPERTY_ENTRY_U32("touchscreen-min-x", 20),
342 	PROPERTY_ENTRY_U32("touchscreen-min-y",  22),
343 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1961),
344 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1513),
345 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3692-cube-knote-i1101.fw"),
346 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
347 	PROPERTY_ENTRY_BOOL("silead,home-button"),
348 	{ }
349 };
350 
351 static const struct ts_dmi_data cube_knote_i1101_data = {
352 	.acpi_name	= "MSSL1680:00",
353 	.properties	= cube_knote_i1101_props,
354 };
355 
356 static const struct property_entry dexp_ursus_7w_props[] = {
357 	PROPERTY_ENTRY_U32("touchscreen-size-x", 890),
358 	PROPERTY_ENTRY_U32("touchscreen-size-y", 630),
359 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1686-dexp-ursus-7w.fw"),
360 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
361 	PROPERTY_ENTRY_BOOL("silead,home-button"),
362 	{ }
363 };
364 
365 static const struct ts_dmi_data dexp_ursus_7w_data = {
366 	.acpi_name	= "MSSL1680:00",
367 	.properties	= dexp_ursus_7w_props,
368 };
369 
370 static const struct property_entry dexp_ursus_kx210i_props[] = {
371 	PROPERTY_ENTRY_U32("touchscreen-min-x", 5),
372 	PROPERTY_ENTRY_U32("touchscreen-min-y",  2),
373 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1720),
374 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1137),
375 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-dexp-ursus-kx210i.fw"),
376 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
377 	PROPERTY_ENTRY_BOOL("silead,home-button"),
378 	{ }
379 };
380 
381 static const struct ts_dmi_data dexp_ursus_kx210i_data = {
382 	.acpi_name	= "MSSL1680:00",
383 	.properties	= dexp_ursus_kx210i_props,
384 };
385 
386 static const struct property_entry digma_citi_e200_props[] = {
387 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
388 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1500),
389 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
390 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1686-digma_citi_e200.fw"),
391 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
392 	PROPERTY_ENTRY_BOOL("silead,home-button"),
393 	{ }
394 };
395 
396 static const struct ts_dmi_data digma_citi_e200_data = {
397 	.acpi_name	= "MSSL1680:00",
398 	.properties	= digma_citi_e200_props,
399 };
400 
401 static const struct property_entry estar_beauty_hd_props[] = {
402 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
403 	{ }
404 };
405 
406 static const struct ts_dmi_data estar_beauty_hd_data = {
407 	.acpi_name	= "GDIX1001:00",
408 	.properties	= estar_beauty_hd_props,
409 };
410 
411 /* Generic props + data for upside-down mounted GDIX1001 touchscreens */
412 static const struct property_entry gdix1001_upside_down_props[] = {
413 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
414 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
415 	{ }
416 };
417 
418 static const struct ts_dmi_data gdix1001_00_upside_down_data = {
419 	.acpi_name	= "GDIX1001:00",
420 	.properties	= gdix1001_upside_down_props,
421 };
422 
423 static const struct ts_dmi_data gdix1001_01_upside_down_data = {
424 	.acpi_name	= "GDIX1001:01",
425 	.properties	= gdix1001_upside_down_props,
426 };
427 
428 static const struct ts_dmi_data gdix1002_00_upside_down_data = {
429 	.acpi_name	= "GDIX1002:00",
430 	.properties	= gdix1001_upside_down_props,
431 };
432 
433 static const struct property_entry gp_electronic_t701_props[] = {
434 	PROPERTY_ENTRY_U32("touchscreen-size-x", 960),
435 	PROPERTY_ENTRY_U32("touchscreen-size-y", 640),
436 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
437 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
438 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-gp-electronic-t701.fw"),
439 	{ }
440 };
441 
442 static const struct ts_dmi_data gp_electronic_t701_data = {
443 	.acpi_name	= "MSSL1680:00",
444 	.properties	= gp_electronic_t701_props,
445 };
446 
447 static const struct property_entry irbis_tw90_props[] = {
448 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1720),
449 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1138),
450 	PROPERTY_ENTRY_U32("touchscreen-min-x", 8),
451 	PROPERTY_ENTRY_U32("touchscreen-min-y", 14),
452 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
453 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
454 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-irbis_tw90.fw"),
455 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
456 	PROPERTY_ENTRY_BOOL("silead,home-button"),
457 	{ }
458 };
459 
460 static const struct ts_dmi_data irbis_tw90_data = {
461 	.acpi_name	= "MSSL1680:00",
462 	.properties	= irbis_tw90_props,
463 };
464 
465 static const struct property_entry irbis_tw118_props[] = {
466 	PROPERTY_ENTRY_U32("touchscreen-min-x", 20),
467 	PROPERTY_ENTRY_U32("touchscreen-min-y", 30),
468 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1960),
469 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1510),
470 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-irbis-tw118.fw"),
471 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
472 	{ }
473 };
474 
475 static const struct ts_dmi_data irbis_tw118_data = {
476 	.acpi_name	= "MSSL1680:00",
477 	.properties	= irbis_tw118_props,
478 };
479 
480 static const struct property_entry itworks_tw891_props[] = {
481 	PROPERTY_ENTRY_U32("touchscreen-min-x", 1),
482 	PROPERTY_ENTRY_U32("touchscreen-min-y", 5),
483 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1600),
484 	PROPERTY_ENTRY_U32("touchscreen-size-y", 896),
485 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
486 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
487 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3670-itworks-tw891.fw"),
488 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
489 	{ }
490 };
491 
492 static const struct ts_dmi_data itworks_tw891_data = {
493 	.acpi_name	= "MSSL1680:00",
494 	.properties	= itworks_tw891_props,
495 };
496 
497 static const struct property_entry jumper_ezpad_6_pro_props[] = {
498 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
499 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1500),
500 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3692-jumper-ezpad-6-pro.fw"),
501 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
502 	PROPERTY_ENTRY_BOOL("silead,home-button"),
503 	{ }
504 };
505 
506 static const struct ts_dmi_data jumper_ezpad_6_pro_data = {
507 	.acpi_name	= "MSSL1680:00",
508 	.properties	= jumper_ezpad_6_pro_props,
509 };
510 
511 static const struct property_entry jumper_ezpad_6_pro_b_props[] = {
512 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
513 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1500),
514 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3692-jumper-ezpad-6-pro-b.fw"),
515 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
516 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
517 	PROPERTY_ENTRY_BOOL("silead,home-button"),
518 	{ }
519 };
520 
521 static const struct ts_dmi_data jumper_ezpad_6_pro_b_data = {
522 	.acpi_name      = "MSSL1680:00",
523 	.properties     = jumper_ezpad_6_pro_b_props,
524 };
525 
526 static const struct property_entry jumper_ezpad_6_m4_props[] = {
527 	PROPERTY_ENTRY_U32("touchscreen-min-x", 35),
528 	PROPERTY_ENTRY_U32("touchscreen-min-y", 15),
529 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1950),
530 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1525),
531 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3692-jumper-ezpad-6-m4.fw"),
532 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
533 	PROPERTY_ENTRY_BOOL("silead,home-button"),
534 	{ }
535 };
536 
537 static const struct ts_dmi_data jumper_ezpad_6_m4_data = {
538 	.acpi_name	= "MSSL1680:00",
539 	.properties	= jumper_ezpad_6_m4_props,
540 };
541 
542 static const struct property_entry jumper_ezpad_7_props[] = {
543 	PROPERTY_ENTRY_U32("touchscreen-min-x", 4),
544 	PROPERTY_ENTRY_U32("touchscreen-min-y", 10),
545 	PROPERTY_ENTRY_U32("touchscreen-size-x", 2044),
546 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1526),
547 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
548 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-jumper-ezpad-7.fw"),
549 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
550 	PROPERTY_ENTRY_BOOL("silead,stuck-controller-bug"),
551 	{ }
552 };
553 
554 static const struct ts_dmi_data jumper_ezpad_7_data = {
555 	.acpi_name	= "MSSL1680:00",
556 	.properties	= jumper_ezpad_7_props,
557 };
558 
559 static const struct property_entry jumper_ezpad_mini3_props[] = {
560 	PROPERTY_ENTRY_U32("touchscreen-min-x", 23),
561 	PROPERTY_ENTRY_U32("touchscreen-min-y", 16),
562 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1700),
563 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1138),
564 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
565 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-jumper-ezpad-mini3.fw"),
566 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
567 	{ }
568 };
569 
570 static const struct ts_dmi_data jumper_ezpad_mini3_data = {
571 	.acpi_name	= "MSSL1680:00",
572 	.properties	= jumper_ezpad_mini3_props,
573 };
574 
575 static const struct property_entry mpman_converter9_props[] = {
576 	PROPERTY_ENTRY_U32("touchscreen-min-x", 8),
577 	PROPERTY_ENTRY_U32("touchscreen-min-y", 8),
578 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1664),
579 	PROPERTY_ENTRY_U32("touchscreen-size-y", 880),
580 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
581 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
582 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-mpman-converter9.fw"),
583 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
584 	{ }
585 };
586 
587 static const struct ts_dmi_data mpman_converter9_data = {
588 	.acpi_name	= "MSSL1680:00",
589 	.properties	= mpman_converter9_props,
590 };
591 
592 static const struct property_entry mpman_mpwin895cl_props[] = {
593 	PROPERTY_ENTRY_U32("touchscreen-min-x", 3),
594 	PROPERTY_ENTRY_U32("touchscreen-min-y", 9),
595 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
596 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1150),
597 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
598 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-mpman-mpwin895cl.fw"),
599 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
600 	PROPERTY_ENTRY_BOOL("silead,home-button"),
601 	{ }
602 };
603 
604 static const struct ts_dmi_data mpman_mpwin895cl_data = {
605 	.acpi_name	= "MSSL1680:00",
606 	.properties	= mpman_mpwin895cl_props,
607 };
608 
609 static const struct property_entry myria_my8307_props[] = {
610 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1720),
611 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
612 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
613 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
614 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
615 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-myria-my8307.fw"),
616 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
617 	PROPERTY_ENTRY_BOOL("silead,home-button"),
618 	{ }
619 };
620 
621 static const struct ts_dmi_data myria_my8307_data = {
622 	.acpi_name	= "MSSL1680:00",
623 	.properties	= myria_my8307_props,
624 };
625 
626 static const struct property_entry onda_obook_20_plus_props[] = {
627 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
628 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1148),
629 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
630 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
631 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
632 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-onda-obook-20-plus.fw"),
633 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
634 	PROPERTY_ENTRY_BOOL("silead,home-button"),
635 	{ }
636 };
637 
638 static const struct ts_dmi_data onda_obook_20_plus_data = {
639 	.acpi_name	= "MSSL1680:00",
640 	.properties	= onda_obook_20_plus_props,
641 };
642 
643 static const struct property_entry onda_v80_plus_v3_props[] = {
644 	PROPERTY_ENTRY_U32("touchscreen-min-x", 22),
645 	PROPERTY_ENTRY_U32("touchscreen-min-y", 15),
646 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1698),
647 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
648 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
649 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-onda-v80-plus-v3.fw"),
650 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
651 	PROPERTY_ENTRY_BOOL("silead,home-button"),
652 	{ }
653 };
654 
655 static const struct ts_dmi_data onda_v80_plus_v3_data = {
656 	.embedded_fw = {
657 		.name	= "silead/gsl3676-onda-v80-plus-v3.fw",
658 		.prefix = { 0xf0, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00 },
659 		.length	= 37224,
660 		.sha256	= { 0x8f, 0xbd, 0x8f, 0x0c, 0x6b, 0xba, 0x5b, 0xf5,
661 			    0xa3, 0xc7, 0xa3, 0xc0, 0x4f, 0xcd, 0xdf, 0x32,
662 			    0xcc, 0xe4, 0x70, 0xd6, 0x46, 0x9c, 0xd7, 0xa7,
663 			    0x4b, 0x82, 0x3f, 0xab, 0xc7, 0x90, 0xea, 0x23 },
664 	},
665 	.acpi_name	= "MSSL1680:00",
666 	.properties	= onda_v80_plus_v3_props,
667 };
668 
669 static const struct property_entry onda_v820w_32g_props[] = {
670 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1665),
671 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
672 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
673 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-onda-v820w-32g.fw"),
674 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
675 	PROPERTY_ENTRY_BOOL("silead,home-button"),
676 	{ }
677 };
678 
679 static const struct ts_dmi_data onda_v820w_32g_data = {
680 	.acpi_name	= "MSSL1680:00",
681 	.properties	= onda_v820w_32g_props,
682 };
683 
684 static const struct property_entry onda_v891_v5_props[] = {
685 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1715),
686 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
687 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
688 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
689 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
690 	PROPERTY_ENTRY_STRING("firmware-name",
691 			      "gsl3676-onda-v891-v5.fw"),
692 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
693 	PROPERTY_ENTRY_BOOL("silead,home-button"),
694 	{ }
695 };
696 
697 static const struct ts_dmi_data onda_v891_v5_data = {
698 	.acpi_name	= "MSSL1680:00",
699 	.properties	= onda_v891_v5_props,
700 };
701 
702 static const struct property_entry onda_v891w_v1_props[] = {
703 	PROPERTY_ENTRY_U32("touchscreen-min-x", 46),
704 	PROPERTY_ENTRY_U32("touchscreen-min-y",  8),
705 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1676),
706 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1130),
707 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-onda-v891w-v1.fw"),
708 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
709 	PROPERTY_ENTRY_BOOL("silead,home-button"),
710 	{ }
711 };
712 
713 static const struct ts_dmi_data onda_v891w_v1_data = {
714 	.acpi_name	= "MSSL1680:00",
715 	.properties	= onda_v891w_v1_props,
716 };
717 
718 static const struct property_entry onda_v891w_v3_props[] = {
719 	PROPERTY_ENTRY_U32("touchscreen-min-x", 35),
720 	PROPERTY_ENTRY_U32("touchscreen-min-y", 15),
721 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1625),
722 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1135),
723 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
724 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3676-onda-v891w-v3.fw"),
725 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
726 	PROPERTY_ENTRY_BOOL("silead,home-button"),
727 	{ }
728 };
729 
730 static const struct ts_dmi_data onda_v891w_v3_data = {
731 	.acpi_name	= "MSSL1680:00",
732 	.properties	= onda_v891w_v3_props,
733 };
734 
735 static const struct property_entry pipo_w2s_props[] = {
736 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1660),
737 	PROPERTY_ENTRY_U32("touchscreen-size-y", 880),
738 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
739 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
740 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-pipo-w2s.fw"),
741 	{ }
742 };
743 
744 static const struct ts_dmi_data pipo_w2s_data = {
745 	.embedded_fw = {
746 		.name	= "silead/gsl1680-pipo-w2s.fw",
747 		.prefix = { 0xf0, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00 },
748 		.length	= 39072,
749 		.sha256	= { 0xd0, 0x58, 0xc4, 0x7d, 0x55, 0x2d, 0x62, 0x18,
750 			    0xd1, 0x6a, 0x71, 0x73, 0x0b, 0x3f, 0xbe, 0x60,
751 			    0xbb, 0x45, 0x8c, 0x52, 0x27, 0xb7, 0x18, 0xf4,
752 			    0x31, 0x00, 0x6a, 0x49, 0x76, 0xd8, 0x7c, 0xd3 },
753 	},
754 	.acpi_name	= "MSSL1680:00",
755 	.properties	= pipo_w2s_props,
756 };
757 
758 static const struct property_entry pipo_w11_props[] = {
759 	PROPERTY_ENTRY_U32("touchscreen-min-x", 1),
760 	PROPERTY_ENTRY_U32("touchscreen-min-y", 15),
761 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1984),
762 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1532),
763 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-pipo-w11.fw"),
764 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
765 	PROPERTY_ENTRY_BOOL("silead,home-button"),
766 	{ }
767 };
768 
769 static const struct ts_dmi_data pipo_w11_data = {
770 	.acpi_name	= "MSSL1680:00",
771 	.properties	= pipo_w11_props,
772 };
773 
774 static const struct property_entry positivo_c4128b_props[] = {
775 	PROPERTY_ENTRY_U32("touchscreen-min-x", 4),
776 	PROPERTY_ENTRY_U32("touchscreen-min-y", 13),
777 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1915),
778 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1269),
779 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-positivo-c4128b.fw"),
780 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
781 	{ }
782 };
783 
784 static const struct ts_dmi_data positivo_c4128b_data = {
785 	.acpi_name	= "MSSL1680:00",
786 	.properties	= positivo_c4128b_props,
787 };
788 
789 static const struct property_entry pov_mobii_wintab_p800w_v20_props[] = {
790 	PROPERTY_ENTRY_U32("touchscreen-min-x", 32),
791 	PROPERTY_ENTRY_U32("touchscreen-min-y", 16),
792 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1692),
793 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1146),
794 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
795 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-pov-mobii-wintab-p800w-v20.fw"),
796 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
797 	PROPERTY_ENTRY_BOOL("silead,home-button"),
798 	{ }
799 };
800 
801 static const struct ts_dmi_data pov_mobii_wintab_p800w_v20_data = {
802 	.acpi_name	= "MSSL1680:00",
803 	.properties	= pov_mobii_wintab_p800w_v20_props,
804 };
805 
806 static const struct property_entry pov_mobii_wintab_p800w_v21_props[] = {
807 	PROPERTY_ENTRY_U32("touchscreen-min-x", 1),
808 	PROPERTY_ENTRY_U32("touchscreen-min-y", 8),
809 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1794),
810 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1148),
811 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
812 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3692-pov-mobii-wintab-p800w.fw"),
813 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
814 	PROPERTY_ENTRY_BOOL("silead,home-button"),
815 	{ }
816 };
817 
818 static const struct ts_dmi_data pov_mobii_wintab_p800w_v21_data = {
819 	.acpi_name	= "MSSL1680:00",
820 	.properties	= pov_mobii_wintab_p800w_v21_props,
821 };
822 
823 static const struct property_entry pov_mobii_wintab_p1006w_v10_props[] = {
824 	PROPERTY_ENTRY_U32("touchscreen-min-x", 1),
825 	PROPERTY_ENTRY_U32("touchscreen-min-y", 3),
826 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1984),
827 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1520),
828 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
829 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3692-pov-mobii-wintab-p1006w-v10.fw"),
830 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
831 	PROPERTY_ENTRY_BOOL("silead,home-button"),
832 	{ }
833 };
834 
835 static const struct ts_dmi_data pov_mobii_wintab_p1006w_v10_data = {
836 	.acpi_name	= "MSSL1680:00",
837 	.properties	= pov_mobii_wintab_p1006w_v10_props,
838 };
839 
840 static const struct property_entry predia_basic_props[] = {
841 	PROPERTY_ENTRY_U32("touchscreen-min-x", 3),
842 	PROPERTY_ENTRY_U32("touchscreen-min-y", 10),
843 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
844 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1144),
845 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
846 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-predia-basic.fw"),
847 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
848 	PROPERTY_ENTRY_BOOL("silead,home-button"),
849 	{ }
850 };
851 
852 static const struct ts_dmi_data predia_basic_data = {
853 	.acpi_name	= "MSSL1680:00",
854 	.properties	= predia_basic_props,
855 };
856 
857 static const struct property_entry rca_cambio_w101_v2_props[] = {
858 	PROPERTY_ENTRY_U32("touchscreen-min-x", 4),
859 	PROPERTY_ENTRY_U32("touchscreen-min-y", 20),
860 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1644),
861 	PROPERTY_ENTRY_U32("touchscreen-size-y", 874),
862 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
863 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-rca-cambio-w101-v2.fw"),
864 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
865 	{ }
866 };
867 
868 static const struct ts_dmi_data rca_cambio_w101_v2_data = {
869 	.acpi_name = "MSSL1680:00",
870 	.properties = rca_cambio_w101_v2_props,
871 };
872 
873 static const struct property_entry rwc_nanote_p8_props[] = {
874 	PROPERTY_ENTRY_U32("touchscreen-min-y", 46),
875 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
876 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
877 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
878 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-rwc-nanote-p8.fw"),
879 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
880 	{ }
881 };
882 
883 static const struct ts_dmi_data rwc_nanote_p8_data = {
884 	.acpi_name = "MSSL1680:00",
885 	.properties = rwc_nanote_p8_props,
886 };
887 
888 static const struct property_entry schneider_sct101ctm_props[] = {
889 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1715),
890 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
891 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
892 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
893 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
894 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-schneider-sct101ctm.fw"),
895 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
896 	PROPERTY_ENTRY_BOOL("silead,home-button"),
897 	{ }
898 };
899 
900 static const struct ts_dmi_data schneider_sct101ctm_data = {
901 	.acpi_name	= "MSSL1680:00",
902 	.properties	= schneider_sct101ctm_props,
903 };
904 
905 static const struct property_entry techbite_arc_11_6_props[] = {
906 	PROPERTY_ENTRY_U32("touchscreen-min-x", 5),
907 	PROPERTY_ENTRY_U32("touchscreen-min-y", 7),
908 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1981),
909 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1270),
910 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
911 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-techbite-arc-11-6.fw"),
912 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
913 	{ }
914 };
915 
916 static const struct ts_dmi_data techbite_arc_11_6_data = {
917 	.acpi_name	= "MSSL1680:00",
918 	.properties	= techbite_arc_11_6_props,
919 };
920 
921 static const struct property_entry teclast_tbook11_props[] = {
922 	PROPERTY_ENTRY_U32("touchscreen-min-x", 8),
923 	PROPERTY_ENTRY_U32("touchscreen-min-y", 14),
924 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1916),
925 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1264),
926 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
927 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3692-teclast-tbook11.fw"),
928 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
929 	PROPERTY_ENTRY_BOOL("silead,home-button"),
930 	{ }
931 };
932 
933 static const struct ts_dmi_data teclast_tbook11_data = {
934 	.embedded_fw = {
935 		.name	= "silead/gsl3692-teclast-tbook11.fw",
936 		.prefix = { 0xf0, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00 },
937 		.length	= 43560,
938 		.sha256	= { 0x9d, 0xb0, 0x3d, 0xf1, 0x00, 0x3c, 0xb5, 0x25,
939 			    0x62, 0x8a, 0xa0, 0x93, 0x4b, 0xe0, 0x4e, 0x75,
940 			    0xd1, 0x27, 0xb1, 0x65, 0x3c, 0xba, 0xa5, 0x0f,
941 			    0xcd, 0xb4, 0xbe, 0x00, 0xbb, 0xf6, 0x43, 0x29 },
942 	},
943 	.acpi_name	= "MSSL1680:00",
944 	.properties	= teclast_tbook11_props,
945 };
946 
947 static const struct property_entry teclast_x3_plus_props[] = {
948 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
949 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1500),
950 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-teclast-x3-plus.fw"),
951 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
952 	PROPERTY_ENTRY_BOOL("silead,home-button"),
953 	{ }
954 };
955 
956 static const struct ts_dmi_data teclast_x3_plus_data = {
957 	.acpi_name	= "MSSL1680:00",
958 	.properties	= teclast_x3_plus_props,
959 };
960 
961 static const struct property_entry teclast_x98plus2_props[] = {
962 	PROPERTY_ENTRY_U32("touchscreen-size-x", 2048),
963 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
964 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
965 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
966 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1686-teclast_x98plus2.fw"),
967 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
968 	{ }
969 };
970 
971 static const struct ts_dmi_data teclast_x98plus2_data = {
972 	.acpi_name	= "MSSL1680:00",
973 	.properties	= teclast_x98plus2_props,
974 };
975 
976 static const struct property_entry trekstor_primebook_c11_props[] = {
977 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1970),
978 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1530),
979 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
980 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-trekstor-primebook-c11.fw"),
981 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
982 	PROPERTY_ENTRY_BOOL("silead,home-button"),
983 	{ }
984 };
985 
986 static const struct ts_dmi_data trekstor_primebook_c11_data = {
987 	.acpi_name	= "MSSL1680:00",
988 	.properties	= trekstor_primebook_c11_props,
989 };
990 
991 static const struct property_entry trekstor_primebook_c13_props[] = {
992 	PROPERTY_ENTRY_U32("touchscreen-size-x", 2624),
993 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1920),
994 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-trekstor-primebook-c13.fw"),
995 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
996 	PROPERTY_ENTRY_BOOL("silead,home-button"),
997 	{ }
998 };
999 
1000 static const struct ts_dmi_data trekstor_primebook_c13_data = {
1001 	.acpi_name	= "MSSL1680:00",
1002 	.properties	= trekstor_primebook_c13_props,
1003 };
1004 
1005 static const struct property_entry trekstor_primetab_t13b_props[] = {
1006 	PROPERTY_ENTRY_U32("touchscreen-size-x", 2500),
1007 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1900),
1008 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-trekstor-primetab-t13b.fw"),
1009 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
1010 	PROPERTY_ENTRY_BOOL("silead,home-button"),
1011 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
1012 	{ }
1013 };
1014 
1015 static const struct ts_dmi_data trekstor_primetab_t13b_data = {
1016 	.acpi_name  = "MSSL1680:00",
1017 	.properties = trekstor_primetab_t13b_props,
1018 };
1019 
1020 static const struct property_entry trekstor_surftab_duo_w1_props[] = {
1021 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
1022 	{ }
1023 };
1024 
1025 static const struct ts_dmi_data trekstor_surftab_duo_w1_data = {
1026 	.acpi_name	= "GDIX1001:00",
1027 	.properties	= trekstor_surftab_duo_w1_props,
1028 };
1029 
1030 static const struct property_entry trekstor_surftab_twin_10_1_props[] = {
1031 	PROPERTY_ENTRY_U32("touchscreen-min-x", 20),
1032 	PROPERTY_ENTRY_U32("touchscreen-min-y", 0),
1033 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1890),
1034 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
1035 	PROPERTY_ENTRY_U32("touchscreen-inverted-y", 1),
1036 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3670-surftab-twin-10-1-st10432-8.fw"),
1037 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
1038 	PROPERTY_ENTRY_BOOL("silead,home-button"),
1039 	{ }
1040 };
1041 
1042 static const struct ts_dmi_data trekstor_surftab_twin_10_1_data = {
1043 	.acpi_name	= "MSSL1680:00",
1044 	.properties	= trekstor_surftab_twin_10_1_props,
1045 };
1046 
1047 static const struct property_entry trekstor_surftab_wintron70_props[] = {
1048 	PROPERTY_ENTRY_U32("touchscreen-min-x", 12),
1049 	PROPERTY_ENTRY_U32("touchscreen-min-y", 8),
1050 	PROPERTY_ENTRY_U32("touchscreen-size-x", 884),
1051 	PROPERTY_ENTRY_U32("touchscreen-size-y", 632),
1052 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1686-surftab-wintron70-st70416-6.fw"),
1053 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
1054 	PROPERTY_ENTRY_BOOL("silead,home-button"),
1055 	{ }
1056 };
1057 
1058 static const struct ts_dmi_data trekstor_surftab_wintron70_data = {
1059 	.acpi_name	= "MSSL1680:00",
1060 	.properties	= trekstor_surftab_wintron70_props,
1061 };
1062 
1063 static const struct property_entry viglen_connect_10_props[] = {
1064 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1890),
1065 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
1066 	PROPERTY_ENTRY_U32("touchscreen-fuzz-x", 6),
1067 	PROPERTY_ENTRY_U32("touchscreen-fuzz-y", 6),
1068 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
1069 	PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-viglen-connect-10.fw"),
1070 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
1071 	PROPERTY_ENTRY_BOOL("silead,home-button"),
1072 	{ }
1073 };
1074 
1075 static const struct ts_dmi_data viglen_connect_10_data = {
1076 	.acpi_name	= "MSSL1680:00",
1077 	.properties	= viglen_connect_10_props,
1078 };
1079 
1080 static const struct property_entry vinga_twizzle_j116_props[] = {
1081 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1920),
1082 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
1083 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-vinga-twizzle_j116.fw"),
1084 	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
1085 	PROPERTY_ENTRY_BOOL("silead,home-button"),
1086 	{ }
1087 };
1088 
1089 static const struct ts_dmi_data vinga_twizzle_j116_data = {
1090 	.acpi_name	= "MSSL1680:00",
1091 	.properties	= vinga_twizzle_j116_props,
1092 };
1093 
1094 /* NOTE: Please keep this table sorted alphabetically */
1095 const struct dmi_system_id touchscreen_dmi_table[] = {
1096 	{
1097 		/* Archos 101 Cesium Educ */
1098 		.driver_data = (void *)&archos_101_cesium_educ_data,
1099 		.matches = {
1100 			DMI_MATCH(DMI_PRODUCT_NAME, "ARCHOS 101 Cesium Educ"),
1101 		},
1102 	},
1103 	{
1104 		/* Bush Windows tablet */
1105 		.driver_data = (void *)&bush_bush_windows_tablet_data,
1106 		.matches = {
1107 			DMI_MATCH(DMI_PRODUCT_NAME, "Bush Windows tablet"),
1108 		},
1109 	},
1110 	{
1111 		/* Chuwi Hi8 */
1112 		.driver_data = (void *)&chuwi_hi8_data,
1113 		.matches = {
1114 			DMI_MATCH(DMI_SYS_VENDOR, "ilife"),
1115 			DMI_MATCH(DMI_PRODUCT_NAME, "S806"),
1116 		},
1117 	},
1118 	{
1119 		/* Chuwi Hi8 (H1D_S806_206) */
1120 		.driver_data = (void *)&chuwi_hi8_data,
1121 		.matches = {
1122 			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
1123 			DMI_MATCH(DMI_PRODUCT_NAME, "BayTrail"),
1124 			DMI_MATCH(DMI_BIOS_VERSION, "H1D_S806_206"),
1125 		},
1126 	},
1127 	{
1128 		/* Chuwi Hi8 Air (CWI543) */
1129 		.driver_data = (void *)&chuwi_hi8_air_data,
1130 		.matches = {
1131 			DMI_MATCH(DMI_BOARD_VENDOR, "Default string"),
1132 			DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
1133 			DMI_MATCH(DMI_PRODUCT_NAME, "Hi8 Air"),
1134 		},
1135 	},
1136 	{
1137 		/* Chuwi Hi8 Pro (CWI513) */
1138 		.driver_data = (void *)&chuwi_hi8_pro_data,
1139 		.matches = {
1140 			DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"),
1141 			DMI_MATCH(DMI_PRODUCT_NAME, "X1D3_C806N"),
1142 		},
1143 	},
1144 	{
1145 		/* Chuwi Hi10 Air */
1146 		.driver_data = (void *)&chuwi_hi10_air_data,
1147 		.matches = {
1148 			DMI_MATCH(DMI_SYS_VENDOR, "CHUWI INNOVATION AND TECHNOLOGY(SHENZHEN)CO.LTD"),
1149 			DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
1150 			DMI_MATCH(DMI_PRODUCT_SKU, "P1W6_C109D_B"),
1151 		},
1152 	},
1153 	{
1154 		/* Chuwi Hi10 Plus (CWI527) */
1155 		.driver_data = (void *)&chuwi_hi10_plus_data,
1156 		.matches = {
1157 			DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
1158 			DMI_MATCH(DMI_PRODUCT_NAME, "Hi10 plus tablet"),
1159 			DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
1160 		},
1161 	},
1162 	{
1163 		/* Chuwi Hi10 Pro (CWI529) */
1164 		.driver_data = (void *)&chuwi_hi10_pro_data,
1165 		.matches = {
1166 			DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
1167 			DMI_MATCH(DMI_PRODUCT_NAME, "Hi10 pro tablet"),
1168 			DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
1169 		},
1170 	},
1171 	{
1172 		/* Chuwi HiBook (CWI514) */
1173 		.driver_data = (void *)&chuwi_hibook_data,
1174 		.matches = {
1175 			DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
1176 			DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
1177 			/* Above matches are too generic, add bios-date match */
1178 			DMI_MATCH(DMI_BIOS_DATE, "05/07/2016"),
1179 		},
1180 	},
1181 	{
1182 		/* Chuwi Vi8 (CWI501) */
1183 		.driver_data = (void *)&chuwi_vi8_data,
1184 		.matches = {
1185 			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
1186 			DMI_MATCH(DMI_PRODUCT_NAME, "i86"),
1187 			DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.W86JLBNR01"),
1188 		},
1189 	},
1190 	{
1191 		/* Chuwi Vi8 (CWI506) */
1192 		.driver_data = (void *)&chuwi_vi8_data,
1193 		.matches = {
1194 			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
1195 			DMI_MATCH(DMI_PRODUCT_NAME, "i86"),
1196 			DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.D86JLBNR"),
1197 		},
1198 	},
1199 	{
1200 		/* Chuwi Vi8 Plus (CWI519) */
1201 		.driver_data = (void *)&chuwi_vi8_plus_data,
1202 		.matches = {
1203 			DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"),
1204 			DMI_MATCH(DMI_PRODUCT_NAME, "D2D3_Vi8A1"),
1205 			DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
1206 		},
1207 	},
1208 	{
1209 		/* Chuwi Vi10 (CWI505) */
1210 		.driver_data = (void *)&chuwi_vi10_data,
1211 		.matches = {
1212 			DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
1213 			DMI_MATCH(DMI_BOARD_NAME, "BYT-PF02"),
1214 			DMI_MATCH(DMI_SYS_VENDOR, "ilife"),
1215 			DMI_MATCH(DMI_PRODUCT_NAME, "S165"),
1216 		},
1217 	},
1218 	{
1219 		/* Chuwi Surbook Mini (CWI540) */
1220 		.driver_data = (void *)&chuwi_surbook_mini_data,
1221 		.matches = {
1222 			DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
1223 			DMI_MATCH(DMI_PRODUCT_NAME, "C3W6_AP108_4G"),
1224 		},
1225 	},
1226 	{
1227 		/* Connect Tablet 9 */
1228 		.driver_data = (void *)&connect_tablet9_data,
1229 		.matches = {
1230 			DMI_MATCH(DMI_SYS_VENDOR, "Connect"),
1231 			DMI_MATCH(DMI_PRODUCT_NAME, "Tablet 9"),
1232 		},
1233 	},
1234 	{
1235 		/* CSL Panther Tab HD */
1236 		.driver_data = (void *)&csl_panther_tab_hd_data,
1237 		.matches = {
1238 			DMI_MATCH(DMI_SYS_VENDOR, "CSL Computer GmbH & Co. KG"),
1239 			DMI_MATCH(DMI_PRODUCT_NAME, "CSL Panther Tab HD"),
1240 		},
1241 	},
1242 	{
1243 		/* CUBE iwork8 Air */
1244 		.driver_data = (void *)&cube_iwork8_air_data,
1245 		.matches = {
1246 			DMI_MATCH(DMI_SYS_VENDOR, "cube"),
1247 			DMI_MATCH(DMI_PRODUCT_NAME, "i1-TF"),
1248 			DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
1249 		},
1250 	},
1251 	{
1252 		/* Cube KNote i1101 */
1253 		.driver_data = (void *)&cube_knote_i1101_data,
1254 		.matches = {
1255 			DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
1256 			DMI_MATCH(DMI_BOARD_NAME, "L1W6_I1101"),
1257 			DMI_MATCH(DMI_SYS_VENDOR, "ALLDOCUBE"),
1258 			DMI_MATCH(DMI_PRODUCT_NAME, "i1101"),
1259 		},
1260 	},
1261 	{
1262 		/* DEXP Ursus 7W */
1263 		.driver_data = (void *)&dexp_ursus_7w_data,
1264 		.matches = {
1265 			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
1266 			DMI_MATCH(DMI_PRODUCT_NAME, "7W"),
1267 		},
1268 	},
1269 	{
1270 		/* DEXP Ursus KX210i */
1271 		.driver_data = (void *)&dexp_ursus_kx210i_data,
1272 		.matches = {
1273 			DMI_MATCH(DMI_SYS_VENDOR, "INSYDE Corp."),
1274 			DMI_MATCH(DMI_PRODUCT_NAME, "S107I"),
1275 		},
1276 	},
1277 	{
1278 		/* Digma Citi E200 */
1279 		.driver_data = (void *)&digma_citi_e200_data,
1280 		.matches = {
1281 			DMI_MATCH(DMI_SYS_VENDOR, "Digma"),
1282 			DMI_MATCH(DMI_PRODUCT_NAME, "CITI E200"),
1283 			DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"),
1284 		},
1285 	},
1286 	{
1287 		/* Estar Beauty HD (MID 7316R) */
1288 		.driver_data = (void *)&estar_beauty_hd_data,
1289 		.matches = {
1290 			DMI_MATCH(DMI_SYS_VENDOR, "Estar"),
1291 			DMI_MATCH(DMI_PRODUCT_NAME, "eSTAR BEAUTY HD Intel Quad core"),
1292 		},
1293 	},
1294 	{
1295 		/* GP-electronic T701 */
1296 		.driver_data = (void *)&gp_electronic_t701_data,
1297 		.matches = {
1298 			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
1299 			DMI_MATCH(DMI_PRODUCT_NAME, "T701"),
1300 			DMI_MATCH(DMI_BIOS_VERSION, "BYT70A.YNCHENG.WIN.007"),
1301 		},
1302 	},
1303 	{
1304 		/* I.T.Works TW701 (same hardware as the Trekstor ST70416-6) */
1305 		.driver_data = (void *)&trekstor_surftab_wintron70_data,
1306 		.matches = {
1307 			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
1308 			DMI_MATCH(DMI_PRODUCT_NAME, "i71c"),
1309 			DMI_MATCH(DMI_BIOS_VERSION, "itWORKS.G.WI71C.JGBMRB"),
1310 		},
1311 	},
1312 	{
1313 		/* Irbis TW90 */
1314 		.driver_data = (void *)&irbis_tw90_data,
1315 		.matches = {
1316 			DMI_MATCH(DMI_SYS_VENDOR, "IRBIS"),
1317 			DMI_MATCH(DMI_PRODUCT_NAME, "TW90"),
1318 		},
1319 	},
1320 	{
1321 		/* Irbis TW118 */
1322 		.driver_data = (void *)&irbis_tw118_data,
1323 		.matches = {
1324 			DMI_MATCH(DMI_SYS_VENDOR, "IRBIS"),
1325 			DMI_MATCH(DMI_PRODUCT_NAME, "TW118"),
1326 		},
1327 	},
1328 	{
1329 		/* I.T.Works TW891 */
1330 		.driver_data = (void *)&itworks_tw891_data,
1331 		.matches = {
1332 			DMI_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
1333 			DMI_MATCH(DMI_PRODUCT_NAME, "TW891"),
1334 		},
1335 	},
1336 	{
1337 		/* Jumper EZpad 6 Pro */
1338 		.driver_data = (void *)&jumper_ezpad_6_pro_data,
1339 		.matches = {
1340 			DMI_MATCH(DMI_SYS_VENDOR, "Jumper"),
1341 			DMI_MATCH(DMI_PRODUCT_NAME, "EZpad"),
1342 			DMI_MATCH(DMI_BIOS_VERSION, "5.12"),
1343 			/* Above matches are too generic, add bios-date match */
1344 			DMI_MATCH(DMI_BIOS_DATE, "08/18/2017"),
1345 		},
1346 	},
1347 	{
1348 		/* Jumper EZpad 6 Pro B */
1349 		.driver_data = (void *)&jumper_ezpad_6_pro_b_data,
1350 		.matches = {
1351 			DMI_MATCH(DMI_SYS_VENDOR, "Jumper"),
1352 			DMI_MATCH(DMI_PRODUCT_NAME, "EZpad"),
1353 			DMI_MATCH(DMI_BIOS_VERSION, "5.12"),
1354 			/* Above matches are too generic, add bios-date match */
1355 			DMI_MATCH(DMI_BIOS_DATE, "04/24/2018"),
1356 		},
1357 	},
1358 	{
1359 		/* Jumper EZpad 6 m4 */
1360 		.driver_data = (void *)&jumper_ezpad_6_m4_data,
1361 		.matches = {
1362 			DMI_MATCH(DMI_SYS_VENDOR, "jumper"),
1363 			DMI_MATCH(DMI_PRODUCT_NAME, "EZpad"),
1364 			/* Jumper8.S106x.A00C.1066 with the version dropped */
1365 			DMI_MATCH(DMI_BIOS_VERSION, "Jumper8.S106x"),
1366 		},
1367 	},
1368 	{
1369 		/* Jumper EZpad 7 */
1370 		.driver_data = (void *)&jumper_ezpad_7_data,
1371 		.matches = {
1372 			DMI_MATCH(DMI_SYS_VENDOR, "Jumper"),
1373 			DMI_MATCH(DMI_PRODUCT_NAME, "EZpad"),
1374 			/* Jumper12x.WJ2012.bsBKRCP05 with the version dropped */
1375 			DMI_MATCH(DMI_BIOS_VERSION, "Jumper12x.WJ2012.bsBKRCP"),
1376 		},
1377 	},
1378 	{
1379 		/* Jumper EZpad mini3 */
1380 		.driver_data = (void *)&jumper_ezpad_mini3_data,
1381 		.matches = {
1382 			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
1383 			/* jumperx.T87.KFBNEEA02 with the version-nr dropped */
1384 			DMI_MATCH(DMI_BIOS_VERSION, "jumperx.T87.KFBNEEA"),
1385 		},
1386 	},
1387 	{
1388 		/* Juno Tablet */
1389 		.driver_data = (void *)&gdix1002_00_upside_down_data,
1390 		.matches = {
1391 			DMI_MATCH(DMI_SYS_VENDOR, "Default string"),
1392 			/* Both product- and board-name being "Default string" is somewhat rare */
1393 			DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
1394 			DMI_MATCH(DMI_BOARD_NAME, "Default string"),
1395 			/* Above matches are too generic, add partial bios-version match */
1396 			DMI_MATCH(DMI_BIOS_VERSION, "JP2V1."),
1397 		},
1398 	},
1399 	{
1400 		/* Mediacom WinPad 7.0 W700 (same hw as Wintron surftab 7") */
1401 		.driver_data = (void *)&trekstor_surftab_wintron70_data,
1402 		.matches = {
1403 			DMI_MATCH(DMI_SYS_VENDOR, "MEDIACOM"),
1404 			DMI_MATCH(DMI_PRODUCT_NAME, "WinPad 7 W10 - WPW700"),
1405 		},
1406 	},
1407 	{
1408 		/* Mediacom Flexbook Edge 11 (same hw as TS Primebook C11) */
1409 		.driver_data = (void *)&trekstor_primebook_c11_data,
1410 		.matches = {
1411 			DMI_MATCH(DMI_SYS_VENDOR, "MEDIACOM"),
1412 			DMI_MATCH(DMI_PRODUCT_NAME, "FlexBook edge11 - M-FBE11"),
1413 		},
1414 	},
1415 	{
1416 		/* MP Man Converter 9 */
1417 		.driver_data = (void *)&mpman_converter9_data,
1418 		.matches = {
1419 			DMI_MATCH(DMI_SYS_VENDOR, "MPMAN"),
1420 			DMI_MATCH(DMI_PRODUCT_NAME, "Converter9"),
1421 		},
1422 	},
1423 	{
1424 		/* MP Man MPWIN895CL */
1425 		.driver_data = (void *)&mpman_mpwin895cl_data,
1426 		.matches = {
1427 			DMI_MATCH(DMI_SYS_VENDOR, "MPMAN"),
1428 			DMI_MATCH(DMI_PRODUCT_NAME, "MPWIN8900CL"),
1429 		},
1430 	},
1431 	{
1432 		/* Myria MY8307 */
1433 		.driver_data = (void *)&myria_my8307_data,
1434 		.matches = {
1435 			DMI_MATCH(DMI_SYS_VENDOR, "Complet Electro Serv"),
1436 			DMI_MATCH(DMI_PRODUCT_NAME, "MY8307"),
1437 		},
1438 	},
1439 	{
1440 		/* Onda oBook 20 Plus */
1441 		.driver_data = (void *)&onda_obook_20_plus_data,
1442 		.matches = {
1443 			DMI_MATCH(DMI_SYS_VENDOR, "ONDA"),
1444 			DMI_MATCH(DMI_PRODUCT_NAME, "OBOOK 20 PLUS"),
1445 		},
1446 	},
1447 	{
1448 		/* ONDA V80 plus v3 (P80PSBG9V3A01501) */
1449 		.driver_data = (void *)&onda_v80_plus_v3_data,
1450 		.matches = {
1451 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ONDA"),
1452 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "V80 PLUS")
1453 		},
1454 	},
1455 	{
1456 		/* ONDA V820w DualOS */
1457 		.driver_data = (void *)&onda_v820w_32g_data,
1458 		.matches = {
1459 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "ONDA"),
1460 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "V820w DualOS")
1461 		},
1462 	},
1463 	{
1464 		/* ONDA V891 v5 */
1465 		.driver_data = (void *)&onda_v891_v5_data,
1466 		.matches = {
1467 			DMI_MATCH(DMI_SYS_VENDOR, "ONDA"),
1468 			DMI_MATCH(DMI_PRODUCT_NAME, "ONDA Tablet"),
1469 			DMI_MATCH(DMI_BIOS_VERSION, "ONDA.D869CJABNRBA06"),
1470 		},
1471 	},
1472 	{
1473 		/* ONDA V891w revision P891WBEBV1B00 aka v1 */
1474 		.driver_data = (void *)&onda_v891w_v1_data,
1475 		.matches = {
1476 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "ONDA"),
1477 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "ONDA Tablet"),
1478 			DMI_EXACT_MATCH(DMI_BOARD_VERSION, "V001"),
1479 			/* Exact match, different versions need different fw */
1480 			DMI_EXACT_MATCH(DMI_BIOS_VERSION, "ONDA.W89EBBN08"),
1481 		},
1482 	},
1483 	{
1484 		/* ONDA V891w Dual OS P891DCF2V1A01274 64GB */
1485 		.driver_data = (void *)&onda_v891w_v3_data,
1486 		.matches = {
1487 			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
1488 			DMI_MATCH(DMI_PRODUCT_NAME, "ONDA Tablet"),
1489 			DMI_MATCH(DMI_BIOS_VERSION, "ONDA.D890HBBNR0A"),
1490 		},
1491 	},
1492 	{
1493 		/* Pipo W2S */
1494 		.driver_data = (void *)&pipo_w2s_data,
1495 		.matches = {
1496 			DMI_MATCH(DMI_SYS_VENDOR, "PIPO"),
1497 			DMI_MATCH(DMI_PRODUCT_NAME, "W2S"),
1498 		},
1499 	},
1500 	{
1501 		/* Pipo W11 */
1502 		.driver_data = (void *)&pipo_w11_data,
1503 		.matches = {
1504 			DMI_MATCH(DMI_SYS_VENDOR, "PIPO"),
1505 			DMI_MATCH(DMI_PRODUCT_NAME, "To be filled by O.E.M."),
1506 			/* Above matches are too generic, add bios-ver match */
1507 			DMI_MATCH(DMI_BIOS_VERSION, "JS-BI-10.6-SF133GR300-GA55B-024-F"),
1508 		},
1509 	},
1510 	{
1511 		/* Ployer Momo7w (same hardware as the Trekstor ST70416-6) */
1512 		.driver_data = (void *)&trekstor_surftab_wintron70_data,
1513 		.matches = {
1514 			DMI_MATCH(DMI_SYS_VENDOR, "Shenzhen PLOYER"),
1515 			DMI_MATCH(DMI_PRODUCT_NAME, "MOMO7W"),
1516 			/* Exact match, different versions need different fw */
1517 			DMI_MATCH(DMI_BIOS_VERSION, "MOMO.G.WI71C.MABMRBA02"),
1518 		},
1519 	},
1520 	{
1521 		/* Positivo C4128B */
1522 		.driver_data = (void *)&positivo_c4128b_data,
1523 		.matches = {
1524 			DMI_MATCH(DMI_SYS_VENDOR, "Positivo Tecnologia SA"),
1525 			DMI_MATCH(DMI_PRODUCT_NAME, "C4128B-1"),
1526 		},
1527 	},
1528 	{
1529 		/* Point of View mobii wintab p800w (v2.0) */
1530 		.driver_data = (void *)&pov_mobii_wintab_p800w_v20_data,
1531 		.matches = {
1532 			DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
1533 			DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
1534 			DMI_MATCH(DMI_BIOS_VERSION, "3BAIR1014"),
1535 			/* Above matches are too generic, add bios-date match */
1536 			DMI_MATCH(DMI_BIOS_DATE, "10/24/2014"),
1537 		},
1538 	},
1539 	{
1540 		/* Predia Basic tablet) */
1541 		.driver_data = (void *)&predia_basic_data,
1542 		.matches = {
1543 			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
1544 			DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"),
1545 			/* Above matches are too generic, add bios-version match */
1546 			DMI_MATCH(DMI_BIOS_VERSION, "Mx.WT107.KUBNGEA"),
1547 		},
1548 	},
1549 	{
1550 		/* Point of View mobii wintab p800w (v2.1) */
1551 		.driver_data = (void *)&pov_mobii_wintab_p800w_v21_data,
1552 		.matches = {
1553 			DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
1554 			DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
1555 			DMI_MATCH(DMI_BIOS_VERSION, "3BAIR1013"),
1556 			/* Above matches are too generic, add bios-date match */
1557 			DMI_MATCH(DMI_BIOS_DATE, "08/22/2014"),
1558 		},
1559 	},
1560 	{
1561 		/* Point of View mobii wintab p1006w (v1.0) */
1562 		.driver_data = (void *)&pov_mobii_wintab_p1006w_v10_data,
1563 		.matches = {
1564 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"),
1565 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "BayTrail"),
1566 			/* Note 105b is Foxcon's USB/PCI vendor id */
1567 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "105B"),
1568 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "0E57"),
1569 		},
1570 	},
1571 	{
1572 		/* RCA Cambio W101 v2 */
1573 		/* https://github.com/onitake/gsl-firmware/discussions/193 */
1574 		.driver_data = (void *)&rca_cambio_w101_v2_data,
1575 		.matches = {
1576 			DMI_MATCH(DMI_SYS_VENDOR, "RCA"),
1577 			DMI_MATCH(DMI_PRODUCT_NAME, "W101SA23T1"),
1578 		},
1579 	},
1580 	{
1581 		/* RWC NANOTE P8 */
1582 		.driver_data = (void *)&rwc_nanote_p8_data,
1583 		.matches = {
1584 			DMI_MATCH(DMI_BOARD_VENDOR, "Default string"),
1585 			DMI_MATCH(DMI_PRODUCT_NAME, "AY07J"),
1586 			DMI_MATCH(DMI_PRODUCT_SKU, "0001")
1587 		},
1588 	},
1589 	{
1590 		/* Schneider SCT101CTM */
1591 		.driver_data = (void *)&schneider_sct101ctm_data,
1592 		.matches = {
1593 			DMI_MATCH(DMI_SYS_VENDOR, "Default string"),
1594 			DMI_MATCH(DMI_PRODUCT_NAME, "SCT101CTM"),
1595 		},
1596 	},
1597 	{
1598 		/* Techbite Arc 11.6 */
1599 		.driver_data = (void *)&techbite_arc_11_6_data,
1600 		.matches = {
1601 			DMI_MATCH(DMI_SYS_VENDOR, "mPTech"),
1602 			DMI_MATCH(DMI_PRODUCT_NAME, "techBite Arc 11.6"),
1603 			DMI_MATCH(DMI_BOARD_NAME, "G8316_272B"),
1604 		},
1605 	},
1606 	{
1607 		/* Teclast Tbook 11 */
1608 		.driver_data = (void *)&teclast_tbook11_data,
1609 		.matches = {
1610 			DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"),
1611 			DMI_MATCH(DMI_PRODUCT_NAME, "TbooK 11"),
1612 			DMI_MATCH(DMI_PRODUCT_SKU, "E5A6_A1"),
1613 		},
1614 	},
1615 	{
1616 		/* Teclast X3 Plus */
1617 		.driver_data = (void *)&teclast_x3_plus_data,
1618 		.matches = {
1619 			DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"),
1620 			DMI_MATCH(DMI_PRODUCT_NAME, "X3 Plus"),
1621 			DMI_MATCH(DMI_BOARD_NAME, "X3 Plus"),
1622 		},
1623 	},
1624 	{
1625 		/* Teclast X89 (Android version / BIOS) */
1626 		.driver_data = (void *)&gdix1001_00_upside_down_data,
1627 		.matches = {
1628 			DMI_MATCH(DMI_BOARD_VENDOR, "WISKY"),
1629 			DMI_MATCH(DMI_BOARD_NAME, "3G062i"),
1630 		},
1631 	},
1632 	{
1633 		/* Teclast X89 (Windows version / BIOS) */
1634 		.driver_data = (void *)&gdix1001_01_upside_down_data,
1635 		.matches = {
1636 			/* tPAD is too generic, also match on bios date */
1637 			DMI_MATCH(DMI_BOARD_VENDOR, "TECLAST"),
1638 			DMI_MATCH(DMI_BOARD_NAME, "tPAD"),
1639 			DMI_MATCH(DMI_BIOS_DATE, "12/19/2014"),
1640 		},
1641 	},
1642 	{
1643 		/* Teclast X98 Plus II */
1644 		.driver_data = (void *)&teclast_x98plus2_data,
1645 		.matches = {
1646 			DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"),
1647 			DMI_MATCH(DMI_PRODUCT_NAME, "X98 Plus II"),
1648 		},
1649 	},
1650 	{
1651 		/* Teclast X98 Pro */
1652 		.driver_data = (void *)&gdix1001_00_upside_down_data,
1653 		.matches = {
1654 			/*
1655 			 * Only match BIOS date, because the manufacturers
1656 			 * BIOS does not report the board name at all
1657 			 * (sometimes)...
1658 			 */
1659 			DMI_MATCH(DMI_BOARD_VENDOR, "TECLAST"),
1660 			DMI_MATCH(DMI_BIOS_DATE, "10/28/2015"),
1661 		},
1662 	},
1663 	{
1664 		/* Trekstor Primebook C11 */
1665 		.driver_data = (void *)&trekstor_primebook_c11_data,
1666 		.matches = {
1667 			DMI_MATCH(DMI_SYS_VENDOR, "TREKSTOR"),
1668 			DMI_MATCH(DMI_PRODUCT_NAME, "Primebook C11"),
1669 		},
1670 	},
1671 	{
1672 		/* Trekstor Primebook C11B (same touchscreen as the C11) */
1673 		.driver_data = (void *)&trekstor_primebook_c11_data,
1674 		.matches = {
1675 			DMI_MATCH(DMI_SYS_VENDOR, "TREKSTOR"),
1676 			DMI_MATCH(DMI_PRODUCT_NAME, "PRIMEBOOK C11B"),
1677 		},
1678 	},
1679 	{
1680 		/* Trekstor Primebook C13 */
1681 		.driver_data = (void *)&trekstor_primebook_c13_data,
1682 		.matches = {
1683 			DMI_MATCH(DMI_SYS_VENDOR, "TREKSTOR"),
1684 			DMI_MATCH(DMI_PRODUCT_NAME, "Primebook C13"),
1685 		},
1686 	},
1687 	{
1688 		/* Trekstor Primetab T13B */
1689 		.driver_data = (void *)&trekstor_primetab_t13b_data,
1690 		.matches = {
1691 			DMI_MATCH(DMI_SYS_VENDOR, "TREKSTOR"),
1692 			DMI_MATCH(DMI_PRODUCT_NAME, "Primetab T13B"),
1693 		},
1694 	},
1695 	{
1696 		/* TrekStor SurfTab duo W1 10.1 ST10432-10b */
1697 		.driver_data = (void *)&trekstor_surftab_duo_w1_data,
1698 		.matches = {
1699 			DMI_MATCH(DMI_SYS_VENDOR, "TrekStor"),
1700 			DMI_MATCH(DMI_PRODUCT_NAME, "SurfTab duo W1 10.1 (VT4)"),
1701 		},
1702 	},
1703 	{
1704 		/* TrekStor SurfTab twin 10.1 ST10432-8 */
1705 		.driver_data = (void *)&trekstor_surftab_twin_10_1_data,
1706 		.matches = {
1707 			DMI_MATCH(DMI_SYS_VENDOR, "TrekStor"),
1708 			DMI_MATCH(DMI_PRODUCT_NAME, "SurfTab twin 10.1"),
1709 		},
1710 	},
1711 	{
1712 		/* Trekstor Surftab Wintron 7.0 ST70416-6 */
1713 		.driver_data = (void *)&trekstor_surftab_wintron70_data,
1714 		.matches = {
1715 			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
1716 			DMI_MATCH(DMI_PRODUCT_NAME, "ST70416-6"),
1717 			/* Exact match, different versions need different fw */
1718 			DMI_MATCH(DMI_BIOS_VERSION, "TREK.G.WI71C.JGBMRBA04"),
1719 		},
1720 	},
1721 	{
1722 		/* Trekstor Surftab Wintron 7.0 ST70416-6, newer BIOS */
1723 		.driver_data = (void *)&trekstor_surftab_wintron70_data,
1724 		.matches = {
1725 			DMI_MATCH(DMI_SYS_VENDOR, "TrekStor"),
1726 			DMI_MATCH(DMI_PRODUCT_NAME, "SurfTab wintron 7.0 ST70416-6"),
1727 			/* Exact match, different versions need different fw */
1728 			DMI_MATCH(DMI_BIOS_VERSION, "TREK.G.WI71C.JGBMRBA05"),
1729 		},
1730 	},
1731 	{
1732 		/* Trekstor Yourbook C11B (same touchscreen as the Primebook C11) */
1733 		.driver_data = (void *)&trekstor_primebook_c11_data,
1734 		.matches = {
1735 			DMI_MATCH(DMI_SYS_VENDOR, "TREKSTOR"),
1736 			DMI_MATCH(DMI_PRODUCT_NAME, "YOURBOOK C11B"),
1737 		},
1738 	},
1739 	{
1740 		/* Viglen Connect 10 */
1741 		.driver_data = (void *)&viglen_connect_10_data,
1742 		.matches = {
1743 			DMI_MATCH(DMI_SYS_VENDOR, "Viglen Ltd."),
1744 			DMI_MATCH(DMI_PRODUCT_NAME, "Connect 10'' Tablet PC"),
1745 		},
1746 	},
1747 	{
1748 		/* Vinga Twizzle J116 */
1749 		.driver_data = (void *)&vinga_twizzle_j116_data,
1750 		.matches = {
1751 			DMI_MATCH(DMI_PRODUCT_NAME, "VINGA Twizzle J116"),
1752 		},
1753 	},
1754 	{
1755 		/* "WinBook TW100" */
1756 		.driver_data = (void *)&gdix1001_00_upside_down_data,
1757 		.matches = {
1758 			DMI_MATCH(DMI_SYS_VENDOR, "WinBook"),
1759 			DMI_MATCH(DMI_PRODUCT_NAME, "TW100")
1760 		}
1761 	},
1762 	{
1763 		/* WinBook TW700 */
1764 		.driver_data = (void *)&gdix1001_00_upside_down_data,
1765 		.matches = {
1766 			DMI_MATCH(DMI_SYS_VENDOR, "WinBook"),
1767 			DMI_MATCH(DMI_PRODUCT_NAME, "TW700")
1768 		},
1769 	},
1770 	{
1771 		/* Yours Y8W81, same case and touchscreen as Chuwi Vi8 */
1772 		.driver_data = (void *)&chuwi_vi8_data,
1773 		.matches = {
1774 			DMI_MATCH(DMI_SYS_VENDOR, "YOURS"),
1775 			DMI_MATCH(DMI_PRODUCT_NAME, "Y8W81"),
1776 		},
1777 	},
1778 	{ }
1779 };
1780 
1781 static const struct ts_dmi_data *ts_data;
1782 
ts_dmi_add_props(struct i2c_client * client)1783 static void ts_dmi_add_props(struct i2c_client *client)
1784 {
1785 	struct device *dev = &client->dev;
1786 	int error;
1787 
1788 	if (has_acpi_companion(dev) &&
1789 	    !strncmp(ts_data->acpi_name, client->name, I2C_NAME_SIZE)) {
1790 		error = device_create_managed_software_node(dev, ts_data->properties, NULL);
1791 		if (error)
1792 			dev_err(dev, "failed to add properties: %d\n", error);
1793 	}
1794 }
1795 
ts_dmi_notifier_call(struct notifier_block * nb,unsigned long action,void * data)1796 static int ts_dmi_notifier_call(struct notifier_block *nb,
1797 				unsigned long action, void *data)
1798 {
1799 	struct device *dev = data;
1800 	struct i2c_client *client;
1801 
1802 	switch (action) {
1803 	case BUS_NOTIFY_ADD_DEVICE:
1804 		client = i2c_verify_client(dev);
1805 		if (client)
1806 			ts_dmi_add_props(client);
1807 		break;
1808 
1809 	default:
1810 		break;
1811 	}
1812 
1813 	return 0;
1814 }
1815 
1816 static struct notifier_block ts_dmi_notifier = {
1817 	.notifier_call = ts_dmi_notifier_call,
1818 };
1819 
ts_dmi_init(void)1820 static int __init ts_dmi_init(void)
1821 {
1822 	const struct dmi_system_id *dmi_id;
1823 	int error;
1824 
1825 	dmi_id = dmi_first_match(touchscreen_dmi_table);
1826 	if (!dmi_id)
1827 		return 0; /* Not an error */
1828 
1829 	ts_data = dmi_id->driver_data;
1830 	/* Some dmi table entries only provide an efi_embedded_fw_desc */
1831 	if (!ts_data->properties)
1832 		return 0;
1833 
1834 	error = bus_register_notifier(&i2c_bus_type, &ts_dmi_notifier);
1835 	if (error)
1836 		pr_err("%s: failed to register i2c bus notifier: %d\n",
1837 			__func__, error);
1838 
1839 	return error;
1840 }
1841 
1842 /*
1843  * We are registering out notifier after i2c core is initialized and i2c bus
1844  * itself is ready (which happens at postcore initcall level), but before
1845  * ACPI starts enumerating devices (at subsys initcall level).
1846  */
1847 arch_initcall(ts_dmi_init);
1848