67 static int lg_g15_update_led_brightness(struct lg_g15_data *g15)  in lg_g15_update_led_brightness()  argument
71 	ret = hid_hw_raw_request(g15->hdev, LG_G15_FEATURE_REPORT,  in lg_g15_update_led_brightness()
72 				 g15->transfer_buf, 4,  in lg_g15_update_led_brightness()
75 		hid_err(g15->hdev, "Error getting LED brightness: %d\n", ret);  in lg_g15_update_led_brightness()
79 	g15->leds[LG_G15_KBD_BRIGHTNESS].brightness = g15->transfer_buf[1];  in lg_g15_update_led_brightness()
80 	g15->leds[LG_G15_LCD_BRIGHTNESS].brightness = g15->transfer_buf[2];  in lg_g15_update_led_brightness()
82 	g15->leds[LG_G15_MACRO_PRESET1].brightness =  in lg_g15_update_led_brightness()
83 		!(g15->transfer_buf[3] & 0x01);  in lg_g15_update_led_brightness()
84 	g15->leds[LG_G15_MACRO_PRESET2].brightness =  in lg_g15_update_led_brightness()
85 		!(g15->transfer_buf[3] & 0x02);  in lg_g15_update_led_brightness()
86 	g15->leds[LG_G15_MACRO_PRESET3].brightness =  in lg_g15_update_led_brightness()
87 		!(g15->transfer_buf[3] & 0x04);  in lg_g15_update_led_brightness()
88 	g15->leds[LG_G15_MACRO_RECORD].brightness =  in lg_g15_update_led_brightness()
89 		!(g15->transfer_buf[3] & 0x08);  in lg_g15_update_led_brightness()
98 	struct lg_g15_data *g15 = dev_get_drvdata(led_cdev->dev->parent);  in lg_g15_led_get()  local
101 	mutex_lock(&g15->mutex);  in lg_g15_led_get()
102 	lg_g15_update_led_brightness(g15);  in lg_g15_led_get()
103 	brightness = g15->leds[g15_led->led].brightness;  in lg_g15_led_get()
104 	mutex_unlock(&g15->mutex);  in lg_g15_led_get()
114 	struct lg_g15_data *g15 = dev_get_drvdata(led_cdev->dev->parent);  in lg_g15_led_set()  local
122 	mutex_lock(&g15->mutex);  in lg_g15_led_set()
124 	g15->transfer_buf[0] = LG_G15_FEATURE_REPORT;  in lg_g15_led_set()
125 	g15->transfer_buf[3] = 0;  in lg_g15_led_set()
128 		g15->transfer_buf[1] = g15_led->led + 1;  in lg_g15_led_set()
129 		g15->transfer_buf[2] = brightness << (g15_led->led * 4);  in lg_g15_led_set()
135 				val = g15->leds[i].brightness;  in lg_g15_led_set()
141 		g15->transfer_buf[1] = 0x04;  in lg_g15_led_set()
142 		g15->transfer_buf[2] = ~mask;  in lg_g15_led_set()
145 	ret = hid_hw_raw_request(g15->hdev, LG_G15_FEATURE_REPORT,  in lg_g15_led_set()
146 				 g15->transfer_buf, 4,  in lg_g15_led_set()
153 		hid_err(g15->hdev, "Error setting LED brightness: %d\n", ret);  in lg_g15_led_set()
157 	mutex_unlock(&g15->mutex);  in lg_g15_led_set()
164 	struct lg_g15_data *g15 = container_of(work, struct lg_g15_data, work);  in lg_g15_leds_changed_work()  local
169 	mutex_lock(&g15->mutex);  in lg_g15_leds_changed_work()
171 		old_brightness[i] = g15->leds[i].brightness;  in lg_g15_leds_changed_work()
173 	ret = lg_g15_update_led_brightness(g15);  in lg_g15_leds_changed_work()
176 		brightness[i] = g15->leds[i].brightness;  in lg_g15_leds_changed_work()
177 	mutex_unlock(&g15->mutex);  in lg_g15_leds_changed_work()
186 		led_classdev_notify_brightness_hw_changed(&g15->leds[i].cdev,  in lg_g15_leds_changed_work()
193 static int lg_g510_get_initial_led_brightness(struct lg_g15_data *g15, int i)  in lg_g510_get_initial_led_brightness()  argument
197 	ret = hid_hw_raw_request(g15->hdev, LG_G510_FEATURE_BACKLIGHT_RGB + i,  in lg_g510_get_initial_led_brightness()
198 				 g15->transfer_buf, 4,  in lg_g510_get_initial_led_brightness()
201 		hid_err(g15->hdev, "Error getting LED brightness: %d\n", ret);  in lg_g510_get_initial_led_brightness()
205 	high = max3(g15->transfer_buf[1], g15->transfer_buf[2],  in lg_g510_get_initial_led_brightness()
206 		    g15->transfer_buf[3]);  in lg_g510_get_initial_led_brightness()
209 		g15->leds[i].red =  in lg_g510_get_initial_led_brightness()
210 			DIV_ROUND_CLOSEST(g15->transfer_buf[1] * 255, high);  in lg_g510_get_initial_led_brightness()
211 		g15->leds[i].green =  in lg_g510_get_initial_led_brightness()
212 			DIV_ROUND_CLOSEST(g15->transfer_buf[2] * 255, high);  in lg_g510_get_initial_led_brightness()
213 		g15->leds[i].blue =  in lg_g510_get_initial_led_brightness()
214 			DIV_ROUND_CLOSEST(g15->transfer_buf[3] * 255, high);  in lg_g510_get_initial_led_brightness()
215 		g15->leds[i].brightness = high;  in lg_g510_get_initial_led_brightness()
217 		g15->leds[i].red   = 255;  in lg_g510_get_initial_led_brightness()
218 		g15->leds[i].green = 255;  in lg_g510_get_initial_led_brightness()
219 		g15->leds[i].blue  = 255;  in lg_g510_get_initial_led_brightness()
220 		g15->leds[i].brightness = 0;  in lg_g510_get_initial_led_brightness()
227 static int lg_g510_kbd_led_write(struct lg_g15_data *g15,  in lg_g510_kbd_led_write()  argument
233 	g15->transfer_buf[0] = 5 + g15_led->led;  in lg_g510_kbd_led_write()
234 	g15->transfer_buf[1] =  in lg_g510_kbd_led_write()
236 	g15->transfer_buf[2] =  in lg_g510_kbd_led_write()
238 	g15->transfer_buf[3] =  in lg_g510_kbd_led_write()
241 	ret = hid_hw_raw_request(g15->hdev,  in lg_g510_kbd_led_write()
243 				 g15->transfer_buf, 4,  in lg_g510_kbd_led_write()
250 		hid_err(g15->hdev, "Error setting LED brightness: %d\n", ret);  in lg_g510_kbd_led_write()
262 	struct lg_g15_data *g15 = dev_get_drvdata(led_cdev->dev->parent);  in lg_g510_kbd_led_set()  local
269 	mutex_lock(&g15->mutex);  in lg_g510_kbd_led_set()
270 	ret = lg_g510_kbd_led_write(g15, g15_led, brightness);  in lg_g510_kbd_led_set()
271 	mutex_unlock(&g15->mutex);  in lg_g510_kbd_led_set()
290 	struct lg_g15_data *g15 = dev_get_drvdata(led_cdev->dev->parent);  in color_store()  local
304 	mutex_lock(&g15->mutex);  in color_store()
308 	ret = lg_g510_kbd_led_write(g15, g15_led, g15_led->brightness);  in color_store()
309 	mutex_unlock(&g15->mutex);  in color_store()
320 	struct lg_g15_data *g15 = dev_get_drvdata(led_cdev->dev->parent);  in color_show()  local
323 	mutex_lock(&g15->mutex);  in color_show()
326 	mutex_unlock(&g15->mutex);  in color_show()
349 	struct lg_g15_data *g15 = container_of(work, struct lg_g15_data, work);  in lg_g510_leds_sync_work()  local
351 	mutex_lock(&g15->mutex);  in lg_g510_leds_sync_work()
352 	lg_g510_kbd_led_write(g15, &g15->leds[LG_G15_KBD_BRIGHTNESS],  in lg_g510_leds_sync_work()
353 			      g15->leds[LG_G15_KBD_BRIGHTNESS].brightness);  in lg_g510_leds_sync_work()
354 	mutex_unlock(&g15->mutex);  in lg_g510_leds_sync_work()
357 static int lg_g510_update_mkey_led_brightness(struct lg_g15_data *g15)  in lg_g510_update_mkey_led_brightness()  argument
361 	ret = hid_hw_raw_request(g15->hdev, LG_G510_FEATURE_M_KEYS_LEDS,  in lg_g510_update_mkey_led_brightness()
362 				 g15->transfer_buf, 2,  in lg_g510_update_mkey_led_brightness()
365 		hid_err(g15->hdev, "Error getting LED brightness: %d\n", ret);  in lg_g510_update_mkey_led_brightness()
369 	g15->leds[LG_G15_MACRO_PRESET1].brightness =  in lg_g510_update_mkey_led_brightness()
370 		!!(g15->transfer_buf[1] & 0x80);  in lg_g510_update_mkey_led_brightness()
371 	g15->leds[LG_G15_MACRO_PRESET2].brightness =  in lg_g510_update_mkey_led_brightness()
372 		!!(g15->transfer_buf[1] & 0x40);  in lg_g510_update_mkey_led_brightness()
373 	g15->leds[LG_G15_MACRO_PRESET3].brightness =  in lg_g510_update_mkey_led_brightness()
374 		!!(g15->transfer_buf[1] & 0x20);  in lg_g510_update_mkey_led_brightness()
375 	g15->leds[LG_G15_MACRO_RECORD].brightness =  in lg_g510_update_mkey_led_brightness()
376 		!!(g15->transfer_buf[1] & 0x10);  in lg_g510_update_mkey_led_brightness()
385 	struct lg_g15_data *g15 = dev_get_drvdata(led_cdev->dev->parent);  in lg_g510_mkey_led_get()  local
388 	mutex_lock(&g15->mutex);  in lg_g510_mkey_led_get()
389 	lg_g510_update_mkey_led_brightness(g15);  in lg_g510_mkey_led_get()
390 	brightness = g15->leds[g15_led->led].brightness;  in lg_g510_mkey_led_get()
391 	mutex_unlock(&g15->mutex);  in lg_g510_mkey_led_get()
401 	struct lg_g15_data *g15 = dev_get_drvdata(led_cdev->dev->parent);  in lg_g510_mkey_led_set()  local
409 	mutex_lock(&g15->mutex);  in lg_g510_mkey_led_set()
415 			val = g15->leds[i].brightness;  in lg_g510_mkey_led_set()
421 	g15->transfer_buf[0] = LG_G510_FEATURE_M_KEYS_LEDS;  in lg_g510_mkey_led_set()
422 	g15->transfer_buf[1] = mask;  in lg_g510_mkey_led_set()
424 	ret = hid_hw_raw_request(g15->hdev, LG_G510_FEATURE_M_KEYS_LEDS,  in lg_g510_mkey_led_set()
425 				 g15->transfer_buf, 2,  in lg_g510_mkey_led_set()
432 		hid_err(g15->hdev, "Error setting LED brightness: %d\n", ret);  in lg_g510_mkey_led_set()
436 	mutex_unlock(&g15->mutex);  in lg_g510_mkey_led_set()
442 static int lg_g15_get_initial_led_brightness(struct lg_g15_data *g15)  in lg_g15_get_initial_led_brightness()  argument
446 	switch (g15->model) {  in lg_g15_get_initial_led_brightness()
449 		return lg_g15_update_led_brightness(g15);  in lg_g15_get_initial_led_brightness()
452 		ret = lg_g510_get_initial_led_brightness(g15, 0);  in lg_g15_get_initial_led_brightness()
456 		ret = lg_g510_get_initial_led_brightness(g15, 1);  in lg_g15_get_initial_led_brightness()
460 		return lg_g510_update_mkey_led_brightness(g15);  in lg_g15_get_initial_led_brightness()
475 static void lg_g15_handle_lcd_menu_keys(struct lg_g15_data *g15, u8 *data)  in lg_g15_handle_lcd_menu_keys()  argument
480 	input_report_key(g15->input, KEY_KBD_LCD_MENU1, data[8] & 0x80);  in lg_g15_handle_lcd_menu_keys()
484 		input_report_key(g15->input, KEY_KBD_LCD_MENU2 + i, val);  in lg_g15_handle_lcd_menu_keys()
488 static int lg_g15_event(struct lg_g15_data *g15, u8 *data)  in lg_g15_event()  argument
495 		input_report_key(g15->input, KEY_MACRO1 + i, val);  in lg_g15_event()
500 		input_report_key(g15->input, KEY_MACRO7 + i, val);  in lg_g15_event()
505 		input_report_key(g15->input, KEY_MACRO13 + i, val);  in lg_g15_event()
508 	input_report_key(g15->input, KEY_MACRO18, data[8] & 0x40);  in lg_g15_event()
513 		input_report_key(g15->input, KEY_MACRO_PRESET1 + i, val);  in lg_g15_event()
516 	input_report_key(g15->input, KEY_MACRO_RECORD_START, data[7] & 0x40);  in lg_g15_event()
518 	lg_g15_handle_lcd_menu_keys(g15, data);  in lg_g15_event()
522 		schedule_work(&g15->work);  in lg_g15_event()
524 	input_sync(g15->input);  in lg_g15_event()
528 static int lg_g15_v2_event(struct lg_g15_data *g15, u8 *data)  in lg_g15_v2_event()  argument
535 		input_report_key(g15->input, KEY_MACRO1 + i, val);  in lg_g15_v2_event()
539 	input_report_key(g15->input, KEY_MACRO_PRESET1, data[1] & 0x40);  in lg_g15_v2_event()
540 	input_report_key(g15->input, KEY_MACRO_PRESET2, data[1] & 0x80);  in lg_g15_v2_event()
541 	input_report_key(g15->input, KEY_MACRO_PRESET3, data[2] & 0x20);  in lg_g15_v2_event()
542 	input_report_key(g15->input, KEY_MACRO_RECORD_START, data[2] & 0x40);  in lg_g15_v2_event()
545 	input_report_key(g15->input, KEY_KBD_LCD_MENU1, data[2] & 0x80);  in lg_g15_v2_event()
549 		input_report_key(g15->input, KEY_KBD_LCD_MENU2 + i, val);  in lg_g15_v2_event()
554 		schedule_work(&g15->work);  in lg_g15_v2_event()
556 	input_sync(g15->input);  in lg_g15_v2_event()
560 static int lg_g510_event(struct lg_g15_data *g15, u8 *data)  in lg_g510_event()  argument
568 		input_report_key(g15->input, KEY_MACRO1 + i, val);  in lg_g510_event()
573 	if (game_mode_enabled != g15->game_mode_enabled) {  in lg_g510_event()
575 			hid_info(g15->hdev, "Game Mode enabled, Windows (super) key is disabled\n");  in lg_g510_event()
577 			hid_info(g15->hdev, "Game Mode disabled\n");  in lg_g510_event()
578 		g15->game_mode_enabled = game_mode_enabled;  in lg_g510_event()
584 		input_report_key(g15->input, KEY_MACRO_PRESET1 + i, val);  in lg_g510_event()
587 	input_report_key(g15->input, KEY_MACRO_RECORD_START, data[3] & 0x80);  in lg_g510_event()
592 		input_report_key(g15->input, KEY_KBD_LCD_MENU1 + i, val);  in lg_g510_event()
596 	input_report_key(g15->input, KEY_MUTE, data[4] & 0x20);  in lg_g510_event()
598 	input_report_key(g15->input, KEY_F20, data[4] & 0x40);  in lg_g510_event()
600 	input_sync(g15->input);  in lg_g510_event()
604 static int lg_g510_leds_event(struct lg_g15_data *g15, u8 *data)  in lg_g510_leds_event()  argument
615 		schedule_work(&g15->work);  in lg_g510_leds_event()
623 	struct lg_g15_data *g15 = hid_get_drvdata(hdev);  in lg_g15_raw_event()  local
625 	if (!g15)  in lg_g15_raw_event()
628 	switch (g15->model) {  in lg_g15_raw_event()
631 			return lg_g15_event(g15, data);  in lg_g15_raw_event()
635 			return lg_g15_v2_event(g15, data);  in lg_g15_raw_event()
639 			lg_g15_handle_lcd_menu_keys(g15, data);  in lg_g15_raw_event()
640 			input_sync(g15->input);  in lg_g15_raw_event()
646 			return lg_g510_event(g15, data);  in lg_g15_raw_event()
648 			return lg_g510_leds_event(g15, data);  in lg_g15_raw_event()
669 static int lg_g15_register_led(struct lg_g15_data *g15, int i, const char *name)  in lg_g15_register_led()  argument
671 	g15->leds[i].led = i;  in lg_g15_register_led()
672 	g15->leds[i].cdev.name = name;  in lg_g15_register_led()
674 	switch (g15->model) {  in lg_g15_register_led()
677 		g15->leds[i].cdev.brightness_get = lg_g15_led_get;  in lg_g15_register_led()
680 		g15->leds[i].cdev.brightness_set_blocking = lg_g15_led_set;  in lg_g15_register_led()
682 			g15->leds[i].cdev.flags = LED_BRIGHT_HW_CHANGED;  in lg_g15_register_led()
683 			g15->leds[i].cdev.max_brightness = 2;  in lg_g15_register_led()
685 			g15->leds[i].cdev.max_brightness = 1;  in lg_g15_register_led()
696 			g15->leds[i].cdev.name = "g15::power_on_backlight_val";  in lg_g15_register_led()
699 			g15->leds[i].cdev.brightness_set_blocking =  in lg_g15_register_led()
701 			g15->leds[i].cdev.brightness_get =  in lg_g15_register_led()
703 			g15->leds[i].cdev.max_brightness = 255;  in lg_g15_register_led()
704 			g15->leds[i].cdev.groups = lg_g510_kbd_led_groups;  in lg_g15_register_led()
707 			g15->leds[i].cdev.brightness_set_blocking =  in lg_g15_register_led()
709 			g15->leds[i].cdev.brightness_get =  in lg_g15_register_led()
711 			g15->leds[i].cdev.max_brightness = 1;  in lg_g15_register_led()
716 	return devm_led_classdev_register(&g15->hdev->dev, &g15->leds[i].cdev);  in lg_g15_register_led()
756 	struct lg_g15_data *g15;  in lg_g15_probe()  local
779 	g15 = devm_kzalloc(&hdev->dev, sizeof(*g15), GFP_KERNEL);  in lg_g15_probe()
780 	if (!g15)  in lg_g15_probe()
783 	mutex_init(&g15->mutex);  in lg_g15_probe()
789 	g15->hdev = hdev;  in lg_g15_probe()
790 	g15->model = id->driver_data;  in lg_g15_probe()
791 	g15->input = input;  in lg_g15_probe()
793 	hid_set_drvdata(hdev, (void *)g15);  in lg_g15_probe()
795 	switch (g15->model) {  in lg_g15_probe()
797 		INIT_WORK(&g15->work, lg_g15_leds_changed_work);  in lg_g15_probe()
809 		INIT_WORK(&g15->work, lg_g15_leds_changed_work);  in lg_g15_probe()
816 		INIT_WORK(&g15->work, lg_g510_leds_sync_work);  in lg_g15_probe()
832 		g15->transfer_buf[0] = gkeys_settings_output_report;  in lg_g15_probe()
833 		memset(g15->transfer_buf + 1, 0, gkeys);  in lg_g15_probe()
841 		ret = hid_hw_output_report(hdev, g15->transfer_buf, gkeys + 1);  in lg_g15_probe()
846 		g15->transfer_buf[0] = gkeys_settings_feature_report;  in lg_g15_probe()
847 		memset(g15->transfer_buf + 1, 0, gkeys);  in lg_g15_probe()
848 		ret = hid_hw_raw_request(g15->hdev,  in lg_g15_probe()
850 				g15->transfer_buf, gkeys + 1,  in lg_g15_probe()
862 	ret = lg_g15_get_initial_led_brightness(g15);  in lg_g15_probe()
866 	if (g15->model == LG_Z10) {  in lg_g15_probe()
867 		lg_g15_init_input_dev(hdev, g15->input, "Logitech Z-10 LCD Menu Keys");  in lg_g15_probe()
868 		ret = input_register_device(g15->input);  in lg_g15_probe()
872 		ret = lg_g15_register_led(g15, 1, "z-10::lcd_backlight");  in lg_g15_probe()
896 	if (g15->model == LG_G510) {  in lg_g15_probe()
908 		ret = lg_g15_register_led(g15, i, led_names[i]);  in lg_g15_probe()