48 	struct zet6223_ts *ts = input_get_drvdata(dev);  in zet6223_start()  local
50 	enable_irq(ts->client->irq);  in zet6223_start()
57 	struct zet6223_ts *ts = input_get_drvdata(dev);  in zet6223_stop()  local
59 	disable_irq(ts->client->irq);  in zet6223_stop()
64 	struct zet6223_ts *ts = dev_id;  in zet6223_irq()  local
71 	u8 bufsize = 3 + 4 * ts->fingernum;  in zet6223_irq()
77 	ret = i2c_master_recv(ts->client, buf, bufsize);  in zet6223_irq()
80 		dev_err_ratelimited(&ts->client->dev,  in zet6223_irq()
89 	for (i = 0; i < ts->fingernum; i++) {  in zet6223_irq()
93 		input_mt_slot(ts->input, i);  in zet6223_irq()
94 		input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, true);  in zet6223_irq()
95 		input_event(ts->input, EV_ABS, ABS_MT_POSITION_X,  in zet6223_irq()
97 		input_event(ts->input, EV_ABS, ABS_MT_POSITION_Y,  in zet6223_irq()
101 	input_mt_sync_frame(ts->input);  in zet6223_irq()
102 	input_sync(ts->input);  in zet6223_irq()
109 	struct zet6223_ts *ts = _ts;  in zet6223_power_off()  local
111 	regulator_bulk_disable(ARRAY_SIZE(ts->supplies), ts->supplies);  in zet6223_power_off()
114 static int zet6223_power_on(struct zet6223_ts *ts)  in zet6223_power_on()  argument
116 	struct device *dev = &ts->client->dev;  in zet6223_power_on()
119 	ts->supplies[0].supply = "vio";  in zet6223_power_on()
120 	ts->supplies[1].supply = "vcc";  in zet6223_power_on()
122 	error = devm_regulator_bulk_get(dev, ARRAY_SIZE(ts->supplies),  in zet6223_power_on()
123 					ts->supplies);  in zet6223_power_on()
127 	error = regulator_bulk_enable(ARRAY_SIZE(ts->supplies), ts->supplies);  in zet6223_power_on()
133 	error = devm_add_action_or_reset(dev, zet6223_power_off, ts);  in zet6223_power_on()
142 static int zet6223_query_device(struct zet6223_ts *ts)  in zet6223_query_device()  argument
149 	ret = i2c_master_send(ts->client, &cmd, sizeof(cmd));  in zet6223_query_device()
152 		dev_err(&ts->client->dev,  in zet6223_query_device()
157 	ret = i2c_master_recv(ts->client, buf, sizeof(buf));  in zet6223_query_device()
160 		dev_err(&ts->client->dev,  in zet6223_query_device()
165 	ts->fingernum = buf[15] & 0x7F;  in zet6223_query_device()
166 	if (ts->fingernum > ZET6223_MAX_FINGERS) {  in zet6223_query_device()
167 		dev_warn(&ts->client->dev,  in zet6223_query_device()
169 			 ts->fingernum, ZET6223_MAX_FINGERS);  in zet6223_query_device()
170 		ts->fingernum = ZET6223_MAX_FINGERS;  in zet6223_query_device()
173 	ts->max_x = get_unaligned_le16(&buf[8]);  in zet6223_query_device()
174 	ts->max_y = get_unaligned_le16(&buf[10]);  in zet6223_query_device()
183 	struct zet6223_ts *ts;  in zet6223_probe()  local
192 	ts = devm_kzalloc(dev, sizeof(*ts), GFP_KERNEL);  in zet6223_probe()
193 	if (!ts)  in zet6223_probe()
196 	ts->client = client;  in zet6223_probe()
198 	error = zet6223_power_on(ts);  in zet6223_probe()
202 	error = zet6223_query_device(ts);  in zet6223_probe()
206 	ts->input = input = devm_input_allocate_device(dev);  in zet6223_probe()
210 	input_set_drvdata(input, ts);  in zet6223_probe()
217 	input_set_abs_params(input, ABS_MT_POSITION_X, 0, ts->max_x, 0, 0);  in zet6223_probe()
218 	input_set_abs_params(input, ABS_MT_POSITION_Y, 0, ts->max_y, 0, 0);  in zet6223_probe()
220 	touchscreen_parse_properties(input, true, &ts->prop);  in zet6223_probe()
222 	error = input_mt_init_slots(input, ts->fingernum,  in zet6223_probe()
228 					  IRQF_ONESHOT, client->name, ts);  in zet6223_probe()