Lines Matching refs:led
100 static void ktd2692_expresswire_start(struct ktd2692_context *led) in ktd2692_expresswire_start() argument
102 gpiod_direction_output(led->ctrl_gpio, KTD2692_HIGH); in ktd2692_expresswire_start()
106 static void ktd2692_expresswire_reset(struct ktd2692_context *led) in ktd2692_expresswire_reset() argument
108 gpiod_direction_output(led->ctrl_gpio, KTD2692_LOW); in ktd2692_expresswire_reset()
112 static void ktd2692_expresswire_end(struct ktd2692_context *led) in ktd2692_expresswire_end() argument
114 gpiod_direction_output(led->ctrl_gpio, KTD2692_LOW); in ktd2692_expresswire_end()
116 gpiod_direction_output(led->ctrl_gpio, KTD2692_HIGH); in ktd2692_expresswire_end()
120 static void ktd2692_expresswire_set_bit(struct ktd2692_context *led, bool bit) in ktd2692_expresswire_set_bit() argument
139 gpiod_direction_output(led->ctrl_gpio, KTD2692_LOW); in ktd2692_expresswire_set_bit()
141 gpiod_direction_output(led->ctrl_gpio, KTD2692_HIGH); in ktd2692_expresswire_set_bit()
144 gpiod_direction_output(led->ctrl_gpio, KTD2692_LOW); in ktd2692_expresswire_set_bit()
146 gpiod_direction_output(led->ctrl_gpio, KTD2692_HIGH); in ktd2692_expresswire_set_bit()
151 static void ktd2692_expresswire_write(struct ktd2692_context *led, u8 value) in ktd2692_expresswire_write() argument
155 ktd2692_expresswire_start(led); in ktd2692_expresswire_write()
157 ktd2692_expresswire_set_bit(led, value & BIT(i)); in ktd2692_expresswire_write()
158 ktd2692_expresswire_end(led); in ktd2692_expresswire_write()
161 static void ktd2692_brightness_set(struct ktd2692_context *led, in ktd2692_brightness_set() argument
164 mutex_lock(&led->lock); in ktd2692_brightness_set()
167 led->mode = KTD2692_MODE_DISABLE; in ktd2692_brightness_set()
168 gpiod_direction_output(led->aux_gpio, KTD2692_LOW); in ktd2692_brightness_set()
170 ktd2692_expresswire_write(led, brightness | in ktd2692_brightness_set()
172 led->mode = KTD2692_MODE_MOVIE; in ktd2692_brightness_set()
175 ktd2692_expresswire_write(led, led->mode | KTD2692_REG_MODE_BASE); in ktd2692_brightness_set()
176 mutex_unlock(&led->lock); in ktd2692_brightness_set()
181 struct ktd2692_context *led = in ktd2692_brightness_set_work() local
184 ktd2692_brightness_set(led, led->torch_brightness); in ktd2692_brightness_set_work()
191 struct ktd2692_context *led = fled_cdev_to_led(fled_cdev); in ktd2692_led_brightness_set() local
193 led->torch_brightness = brightness; in ktd2692_led_brightness_set()
194 schedule_work(&led->work_brightness_set); in ktd2692_led_brightness_set()
201 struct ktd2692_context *led = fled_cdev_to_led(fled_cdev); in ktd2692_led_brightness_set_sync() local
203 ktd2692_brightness_set(led, brightness); in ktd2692_led_brightness_set_sync()
211 struct ktd2692_context *led = fled_cdev_to_led(fled_cdev); in ktd2692_led_flash_strobe_set() local
215 mutex_lock(&led->lock); in ktd2692_led_flash_strobe_set()
219 ktd2692_expresswire_write(led, flash_tm_reg in ktd2692_led_flash_strobe_set()
222 led->mode = KTD2692_MODE_FLASH; in ktd2692_led_flash_strobe_set()
223 gpiod_direction_output(led->aux_gpio, KTD2692_HIGH); in ktd2692_led_flash_strobe_set()
225 led->mode = KTD2692_MODE_DISABLE; in ktd2692_led_flash_strobe_set()
226 gpiod_direction_output(led->aux_gpio, KTD2692_LOW); in ktd2692_led_flash_strobe_set()
229 ktd2692_expresswire_write(led, led->mode | KTD2692_REG_MODE_BASE); in ktd2692_led_flash_strobe_set()
232 led->mode = KTD2692_MODE_DISABLE; in ktd2692_led_flash_strobe_set()
234 mutex_unlock(&led->lock); in ktd2692_led_flash_strobe_set()
276 static void ktd2692_setup(struct ktd2692_context *led) in ktd2692_setup() argument
278 led->mode = KTD2692_MODE_DISABLE; in ktd2692_setup()
279 ktd2692_expresswire_reset(led); in ktd2692_setup()
280 gpiod_direction_output(led->aux_gpio, KTD2692_LOW); in ktd2692_setup()
282 ktd2692_expresswire_write(led, (KTD2962_MM_MIN_CURR_THRESHOLD_SCALE - 1) in ktd2692_setup()
284 ktd2692_expresswire_write(led, KTD2692_FLASH_MODE_CURR_PERCENT(45) in ktd2692_setup()
288 static int ktd2692_parse_dt(struct ktd2692_context *led, struct device *dev, in ktd2692_parse_dt() argument
298 led->ctrl_gpio = devm_gpiod_get(dev, "ctrl", GPIOD_ASIS); in ktd2692_parse_dt()
299 if (IS_ERR(led->ctrl_gpio)) { in ktd2692_parse_dt()
300 ret = PTR_ERR(led->ctrl_gpio); in ktd2692_parse_dt()
305 led->aux_gpio = devm_gpiod_get(dev, "aux", GPIOD_ASIS); in ktd2692_parse_dt()
306 if (IS_ERR(led->aux_gpio)) { in ktd2692_parse_dt()
307 ret = PTR_ERR(led->aux_gpio); in ktd2692_parse_dt()
312 led->regulator = devm_regulator_get(dev, "vin"); in ktd2692_parse_dt()
313 if (IS_ERR(led->regulator)) in ktd2692_parse_dt()
314 led->regulator = NULL; in ktd2692_parse_dt()
316 if (led->regulator) { in ktd2692_parse_dt()
317 ret = regulator_enable(led->regulator); in ktd2692_parse_dt()
328 led->fled_cdev.led_cdev.name = in ktd2692_parse_dt()
361 struct ktd2692_context *led; in ktd2692_probe() local
367 led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL); in ktd2692_probe()
368 if (!led) in ktd2692_probe()
371 fled_cdev = &led->fled_cdev; in ktd2692_probe()
374 ret = ktd2692_parse_dt(led, &pdev->dev, &led_cfg); in ktd2692_probe()
388 mutex_init(&led->lock); in ktd2692_probe()
389 INIT_WORK(&led->work_brightness_set, ktd2692_brightness_set_work); in ktd2692_probe()
391 platform_set_drvdata(pdev, led); in ktd2692_probe()
396 mutex_destroy(&led->lock); in ktd2692_probe()
400 ktd2692_setup(led); in ktd2692_probe()
407 struct ktd2692_context *led = platform_get_drvdata(pdev); in ktd2692_remove() local
410 led_classdev_flash_unregister(&led->fled_cdev); in ktd2692_remove()
411 cancel_work_sync(&led->work_brightness_set); in ktd2692_remove()
413 if (led->regulator) { in ktd2692_remove()
414 ret = regulator_disable(led->regulator); in ktd2692_remove()
420 mutex_destroy(&led->lock); in ktd2692_remove()