drivers/hid/hid-gt683r.c

3  * MSI GT683R led driver
65 	struct gt683r_led *led = hid_get_drvdata(hdev);
68 		if (led_cdev == &led->led_devs[i])
73 		led->brightnesses[i] = brightness;
74 		schedule_work(&led->work);
84 	struct gt683r_led *led = hid_get_drvdata(hdev);
86 	if (led->mode == GT683R_LED_NORMAL)
88 	else if (led->mode == GT683R_LED_AUDIO)
102 	struct gt683r_led *led = hid_get_drvdata(hdev);
108 	mutex_lock(&led->lock);
111 		led->mode = GT683R_LED_NORMAL;
113 		led->mode = GT683R_LED_AUDIO;
115 		led->mode = GT683R_LED_BREATHING;
117 	mutex_unlock(&led->lock);
118 	schedule_work(&led->work);
123 static int gt683r_led_snd_msg(struct gt683r_led *led, u8 *msg)
127 	ret = hid_hw_raw_request(led->hdev, msg[0], msg, GT683R_BUFFER_SIZE,
130 		hid_err(led->hdev,
140 static int gt683r_leds_set(struct gt683r_led *led, u8 leds)
153 	ret = gt683r_led_snd_msg(led, buffer);
159 static int gt683r_mode_set(struct gt683r_led *led, u8 mode)
173 	ret = gt683r_led_snd_msg(led, buffer);
184 	struct gt683r_led *led = container_of(work, struct gt683r_led, work);
186 	mutex_lock(&led->lock);
189 		if (led->brightnesses[i])
193 	if (gt683r_leds_set(led, leds))
197 		mode = led->mode;
201 	gt683r_mode_set(led, mode);
203 	mutex_unlock(&led->lock);
230 	struct gt683r_led *led;
232 	led = devm_kzalloc(&hdev->dev, sizeof(*led), GFP_KERNEL);
233 	if (!led)
236 	mutex_init(&led->lock);
237 	INIT_WORK(&led->work, gt683r_led_work);
239 	led->mode = GT683R_LED_NORMAL;
240 	led->hdev = hdev;
241 	hid_set_drvdata(hdev, led);
267 		led->led_devs[i].name = name;
268 		led->led_devs[i].max_brightness = 1;
269 		led->led_devs[i].brightness_set = gt683r_brightness_set;
270 		led->led_devs[i].groups = gt683r_led_groups;
272 		ret = led_classdev_register(&hdev->dev, &led->led_devs[i]);
274 			hid_err(hdev, "could not register led device\n");
283 		led_classdev_unregister(&led->led_devs[i]);
291 	struct gt683r_led *led = hid_get_drvdata(hdev);
294 		led_classdev_unregister(&led->led_devs[i]);
295 	flush_work(&led->work);
309 MODULE_DESCRIPTION("MSI GT683R led driver");