95 static void aat1290_as2cwire_write(struct aat1290_led *led, int addr, int value)  in aat1290_as2cwire_write()  argument
99 	gpiod_direction_output(led->gpio_fl_en, 0);  in aat1290_as2cwire_write()
100 	gpiod_direction_output(led->gpio_en_set, 0);  in aat1290_as2cwire_write()
107 		gpiod_direction_output(led->gpio_en_set, 0);  in aat1290_as2cwire_write()
109 		gpiod_direction_output(led->gpio_en_set, 1);  in aat1290_as2cwire_write()
117 		gpiod_direction_output(led->gpio_en_set, 0);  in aat1290_as2cwire_write()
119 		gpiod_direction_output(led->gpio_en_set, 1);  in aat1290_as2cwire_write()
125 static void aat1290_set_flash_safety_timer(struct aat1290_led *led,  in aat1290_set_flash_safety_timer()  argument
128 	struct led_classdev_flash *fled_cdev = &led->fled_cdev;  in aat1290_set_flash_safety_timer()
133 	aat1290_as2cwire_write(led, AAT1290_FLASH_SAFETY_TIMER_ADDR,  in aat1290_set_flash_safety_timer()
137 static void aat1290_brightness_set(struct aat1290_led *led,  in aat1290_brightness_set()  argument
140 	mutex_lock(&led->lock);  in aat1290_brightness_set()
143 		gpiod_direction_output(led->gpio_fl_en, 0);  in aat1290_brightness_set()
144 		gpiod_direction_output(led->gpio_en_set, 0);  in aat1290_brightness_set()
145 		led->movie_mode = false;  in aat1290_brightness_set()
147 		if (!led->movie_mode) {  in aat1290_brightness_set()
148 			aat1290_as2cwire_write(led,  in aat1290_brightness_set()
151 			led->movie_mode = true;  in aat1290_brightness_set()
154 		aat1290_as2cwire_write(led, AAT1290_MOVIE_MODE_CURRENT_ADDR,  in aat1290_brightness_set()
156 		aat1290_as2cwire_write(led, AAT1290_MOVIE_MODE_CONFIG_ADDR,  in aat1290_brightness_set()
160 	mutex_unlock(&led->lock);  in aat1290_brightness_set()
167 	struct aat1290_led *led =  in aat1290_brightness_set_work()  local
170 	aat1290_brightness_set(led, led->torch_brightness);  in aat1290_brightness_set_work()
177 	struct aat1290_led *led = fled_cdev_to_led(fled_cdev);  in aat1290_led_brightness_set()  local
179 	led->torch_brightness = brightness;  in aat1290_led_brightness_set()
180 	schedule_work(&led->work_brightness_set);  in aat1290_led_brightness_set()
187 	struct aat1290_led *led = fled_cdev_to_led(fled_cdev);  in aat1290_led_brightness_set_sync()  local
189 	aat1290_brightness_set(led, brightness);  in aat1290_led_brightness_set_sync()
198 	struct aat1290_led *led = fled_cdev_to_led(fled_cdev);  in aat1290_led_flash_strobe_set()  local
202 	mutex_lock(&led->lock);  in aat1290_led_flash_strobe_set()
205 		aat1290_set_flash_safety_timer(led, timeout->val);  in aat1290_led_flash_strobe_set()
206 		gpiod_direction_output(led->gpio_fl_en, 1);  in aat1290_led_flash_strobe_set()
208 		gpiod_direction_output(led->gpio_fl_en, 0);  in aat1290_led_flash_strobe_set()
209 		gpiod_direction_output(led->gpio_en_set, 0);  in aat1290_led_flash_strobe_set()
219 	led->movie_mode = false;  in aat1290_led_flash_strobe_set()
221 	mutex_unlock(&led->lock);  in aat1290_led_flash_strobe_set()
238 static int aat1290_led_parse_dt(struct aat1290_led *led,  in aat1290_led_parse_dt()  argument
242 	struct led_classdev *led_cdev = &led->fled_cdev.led_cdev;  in aat1290_led_parse_dt()
243 	struct device *dev = &led->pdev->dev;  in aat1290_led_parse_dt()
250 	led->gpio_fl_en = devm_gpiod_get(dev, "flen", GPIOD_ASIS);  in aat1290_led_parse_dt()
251 	if (IS_ERR(led->gpio_fl_en)) {  in aat1290_led_parse_dt()
252 		ret = PTR_ERR(led->gpio_fl_en);  in aat1290_led_parse_dt()
257 	led->gpio_en_set = devm_gpiod_get(dev, "enset", GPIOD_ASIS);  in aat1290_led_parse_dt()
258 	if (IS_ERR(led->gpio_en_set)) {  in aat1290_led_parse_dt()
259 		ret = PTR_ERR(led->gpio_en_set);  in aat1290_led_parse_dt()
265 	pinctrl = devm_pinctrl_get_select_default(&led->pdev->dev);  in aat1290_led_parse_dt()
317 static void aat1290_led_validate_mm_current(struct aat1290_led *led,  in aat1290_led_validate_mm_current()  argument
324 		if (cfg->max_mm_current < led->mm_current_scale[i])  in aat1290_led_validate_mm_current()
330 	cfg->max_mm_current = led->mm_current_scale[b];  in aat1290_led_validate_mm_current()
334 static int init_mm_current_scale(struct aat1290_led *led,  in init_mm_current_scale()  argument
342 	led->mm_current_scale = devm_kzalloc(&led->pdev->dev,  in init_mm_current_scale()
345 	if (!led->mm_current_scale)  in init_mm_current_scale()
349 		led->mm_current_scale[i] = max_mm_current *  in init_mm_current_scale()
355 static int aat1290_led_get_configuration(struct aat1290_led *led,  in aat1290_led_get_configuration()  argument
361 	ret = aat1290_led_parse_dt(led, cfg, sub_node);  in aat1290_led_get_configuration()
368 	ret = init_mm_current_scale(led, cfg);  in aat1290_led_get_configuration()
372 	aat1290_led_validate_mm_current(led, cfg);  in aat1290_led_get_configuration()
376 	devm_kfree(&led->pdev->dev, led->mm_current_scale);  in aat1290_led_get_configuration()
382 static void aat1290_init_flash_timeout(struct aat1290_led *led,  in aat1290_init_flash_timeout()  argument
385 	struct led_classdev_flash *fled_cdev = &led->fled_cdev;  in aat1290_init_flash_timeout()
402 	struct aat1290_led *led = fled_cdev_to_led(fled_cdev);  in aat1290_intensity_to_brightness()  local
406 		if (intensity >= led->mm_current_scale[i])  in aat1290_intensity_to_brightness()
416 	struct aat1290_led *led = fled_cdev_to_led(fled_cdev);  in aat1290_brightness_to_intensity()  local
418 	return led->mm_current_scale[brightness - 1];  in aat1290_brightness_to_intensity()
424 	struct aat1290_led *led = fled_cdev_to_led(v4l2_flash->fled_cdev);  in aat1290_led_external_strobe_set()  local
429 	gpiod_direction_output(led->gpio_fl_en, 0);  in aat1290_led_external_strobe_set()
430 	gpiod_direction_output(led->gpio_en_set, 0);  in aat1290_led_external_strobe_set()
432 	led->movie_mode = false;  in aat1290_led_external_strobe_set()
435 	pinctrl = devm_pinctrl_get_select(&led->pdev->dev,  in aat1290_led_external_strobe_set()
438 		dev_warn(&led->pdev->dev, "Unable to switch strobe source.\n");  in aat1290_led_external_strobe_set()
445 static void aat1290_init_v4l2_flash_config(struct aat1290_led *led,  in aat1290_init_v4l2_flash_config()  argument
449 	struct led_classdev *led_cdev = &led->fled_cdev.led_cdev;  in aat1290_init_v4l2_flash_config()
456 	s->min = led->mm_current_scale[0];  in aat1290_init_v4l2_flash_config()
470 static inline void aat1290_init_v4l2_flash_config(struct aat1290_led *led,  in aat1290_init_v4l2_flash_config()  argument
487 	struct aat1290_led *led;  in aat1290_led_probe()  local
494 	led = devm_kzalloc(dev, sizeof(*led), GFP_KERNEL);  in aat1290_led_probe()
495 	if (!led)  in aat1290_led_probe()
498 	led->pdev = pdev;  in aat1290_led_probe()
499 	platform_set_drvdata(pdev, led);  in aat1290_led_probe()
501 	fled_cdev = &led->fled_cdev;  in aat1290_led_probe()
505 	ret = aat1290_led_get_configuration(led, &led_cfg, &sub_node);  in aat1290_led_probe()
509 	mutex_init(&led->lock);  in aat1290_led_probe()
516 	INIT_WORK(&led->work_brightness_set, aat1290_brightness_set_work);  in aat1290_led_probe()
518 	aat1290_init_flash_timeout(led, &led_cfg);  in aat1290_led_probe()
525 	aat1290_init_v4l2_flash_config(led, &led_cfg, &v4l2_sd_cfg);  in aat1290_led_probe()
528 	led->v4l2_flash = v4l2_flash_init(dev, sub_node, fled_cdev, NULL,  in aat1290_led_probe()
530 	if (IS_ERR(led->v4l2_flash)) {  in aat1290_led_probe()
531 		ret = PTR_ERR(led->v4l2_flash);  in aat1290_led_probe()
540 	mutex_destroy(&led->lock);  in aat1290_led_probe()
547 	struct aat1290_led *led = platform_get_drvdata(pdev);  in aat1290_led_remove()  local
549 	v4l2_flash_release(led->v4l2_flash);  in aat1290_led_remove()
550 	led_classdev_flash_unregister(&led->fled_cdev);  in aat1290_led_remove()
551 	cancel_work_sync(&led->work_brightness_set);  in aat1290_led_remove()
553 	mutex_destroy(&led->lock);  in aat1290_led_remove()