Lines Matching refs:led
98 static void aat1290_as2cwire_write(struct aat1290_led *led, int addr, int value) in aat1290_as2cwire_write() argument
102 gpiod_direction_output(led->gpio_fl_en, 0); in aat1290_as2cwire_write()
103 gpiod_direction_output(led->gpio_en_set, 0); in aat1290_as2cwire_write()
110 gpiod_direction_output(led->gpio_en_set, 0); in aat1290_as2cwire_write()
112 gpiod_direction_output(led->gpio_en_set, 1); in aat1290_as2cwire_write()
120 gpiod_direction_output(led->gpio_en_set, 0); in aat1290_as2cwire_write()
122 gpiod_direction_output(led->gpio_en_set, 1); in aat1290_as2cwire_write()
128 static void aat1290_set_flash_safety_timer(struct aat1290_led *led, in aat1290_set_flash_safety_timer() argument
131 struct led_classdev_flash *fled_cdev = &led->fled_cdev; in aat1290_set_flash_safety_timer()
136 aat1290_as2cwire_write(led, AAT1290_FLASH_SAFETY_TIMER_ADDR, in aat1290_set_flash_safety_timer()
146 struct aat1290_led *led = fled_cdev_to_led(fled_cdev); in aat1290_led_brightness_set() local
148 mutex_lock(&led->lock); in aat1290_led_brightness_set()
151 gpiod_direction_output(led->gpio_fl_en, 0); in aat1290_led_brightness_set()
152 gpiod_direction_output(led->gpio_en_set, 0); in aat1290_led_brightness_set()
153 led->movie_mode = false; in aat1290_led_brightness_set()
155 if (!led->movie_mode) { in aat1290_led_brightness_set()
156 aat1290_as2cwire_write(led, in aat1290_led_brightness_set()
159 led->movie_mode = true; in aat1290_led_brightness_set()
162 aat1290_as2cwire_write(led, AAT1290_MOVIE_MODE_CURRENT_ADDR, in aat1290_led_brightness_set()
164 aat1290_as2cwire_write(led, AAT1290_MOVIE_MODE_CONFIG_ADDR, in aat1290_led_brightness_set()
168 mutex_unlock(&led->lock); in aat1290_led_brightness_set()
177 struct aat1290_led *led = fled_cdev_to_led(fled_cdev); in aat1290_led_flash_strobe_set() local
181 mutex_lock(&led->lock); in aat1290_led_flash_strobe_set()
184 aat1290_set_flash_safety_timer(led, timeout->val); in aat1290_led_flash_strobe_set()
185 gpiod_direction_output(led->gpio_fl_en, 1); in aat1290_led_flash_strobe_set()
187 gpiod_direction_output(led->gpio_fl_en, 0); in aat1290_led_flash_strobe_set()
188 gpiod_direction_output(led->gpio_en_set, 0); in aat1290_led_flash_strobe_set()
198 led->movie_mode = false; in aat1290_led_flash_strobe_set()
200 mutex_unlock(&led->lock); in aat1290_led_flash_strobe_set()
217 static int aat1290_led_parse_dt(struct aat1290_led *led, in aat1290_led_parse_dt() argument
221 struct led_classdev *led_cdev = &led->fled_cdev.led_cdev; in aat1290_led_parse_dt()
222 struct device *dev = &led->pdev->dev; in aat1290_led_parse_dt()
229 led->gpio_fl_en = devm_gpiod_get(dev, "flen", GPIOD_ASIS); in aat1290_led_parse_dt()
230 if (IS_ERR(led->gpio_fl_en)) { in aat1290_led_parse_dt()
231 ret = PTR_ERR(led->gpio_fl_en); in aat1290_led_parse_dt()
236 led->gpio_en_set = devm_gpiod_get(dev, "enset", GPIOD_ASIS); in aat1290_led_parse_dt()
237 if (IS_ERR(led->gpio_en_set)) { in aat1290_led_parse_dt()
238 ret = PTR_ERR(led->gpio_en_set); in aat1290_led_parse_dt()
244 pinctrl = devm_pinctrl_get_select_default(&led->pdev->dev); in aat1290_led_parse_dt()
297 static void aat1290_led_validate_mm_current(struct aat1290_led *led, in aat1290_led_validate_mm_current() argument
304 if (cfg->max_mm_current < led->mm_current_scale[i]) in aat1290_led_validate_mm_current()
310 cfg->max_mm_current = led->mm_current_scale[b]; in aat1290_led_validate_mm_current()
314 static int init_mm_current_scale(struct aat1290_led *led, in init_mm_current_scale() argument
324 led->mm_current_scale = devm_kzalloc(&led->pdev->dev, in init_mm_current_scale()
327 if (!led->mm_current_scale) in init_mm_current_scale()
331 led->mm_current_scale[i] = max_mm_current * in init_mm_current_scale()
337 static int aat1290_led_get_configuration(struct aat1290_led *led, in aat1290_led_get_configuration() argument
343 ret = aat1290_led_parse_dt(led, cfg, sub_node); in aat1290_led_get_configuration()
350 ret = init_mm_current_scale(led, cfg); in aat1290_led_get_configuration()
354 aat1290_led_validate_mm_current(led, cfg); in aat1290_led_get_configuration()
358 devm_kfree(&led->pdev->dev, led->mm_current_scale); in aat1290_led_get_configuration()
364 static void aat1290_init_flash_timeout(struct aat1290_led *led, in aat1290_init_flash_timeout() argument
367 struct led_classdev_flash *fled_cdev = &led->fled_cdev; in aat1290_init_flash_timeout()
384 struct aat1290_led *led = fled_cdev_to_led(fled_cdev); in aat1290_intensity_to_brightness() local
388 if (intensity >= led->mm_current_scale[i]) in aat1290_intensity_to_brightness()
398 struct aat1290_led *led = fled_cdev_to_led(fled_cdev); in aat1290_brightness_to_intensity() local
400 return led->mm_current_scale[brightness - 1]; in aat1290_brightness_to_intensity()
406 struct aat1290_led *led = fled_cdev_to_led(v4l2_flash->fled_cdev); in aat1290_led_external_strobe_set() local
411 gpiod_direction_output(led->gpio_fl_en, 0); in aat1290_led_external_strobe_set()
412 gpiod_direction_output(led->gpio_en_set, 0); in aat1290_led_external_strobe_set()
414 led->movie_mode = false; in aat1290_led_external_strobe_set()
417 pinctrl = devm_pinctrl_get_select(&led->pdev->dev, in aat1290_led_external_strobe_set()
420 dev_warn(&led->pdev->dev, "Unable to switch strobe source.\n"); in aat1290_led_external_strobe_set()
427 static void aat1290_init_v4l2_flash_config(struct aat1290_led *led, in aat1290_init_v4l2_flash_config() argument
431 struct led_classdev *led_cdev = &led->fled_cdev.led_cdev; in aat1290_init_v4l2_flash_config()
438 s->min = led->mm_current_scale[0]; in aat1290_init_v4l2_flash_config()
452 static inline void aat1290_init_v4l2_flash_config(struct aat1290_led *led, in aat1290_init_v4l2_flash_config() argument
469 struct aat1290_led *led; in aat1290_led_probe() local
476 led = devm_kzalloc(dev, sizeof(*led), GFP_KERNEL); in aat1290_led_probe()
477 if (!led) in aat1290_led_probe()
480 led->pdev = pdev; in aat1290_led_probe()
481 platform_set_drvdata(pdev, led); in aat1290_led_probe()
483 fled_cdev = &led->fled_cdev; in aat1290_led_probe()
487 ret = aat1290_led_get_configuration(led, &led_cfg, &sub_node); in aat1290_led_probe()
491 mutex_init(&led->lock); in aat1290_led_probe()
498 aat1290_init_flash_timeout(led, &led_cfg); in aat1290_led_probe()
505 aat1290_init_v4l2_flash_config(led, &led_cfg, &v4l2_sd_cfg); in aat1290_led_probe()
508 led->v4l2_flash = v4l2_flash_init(dev, of_fwnode_handle(sub_node), in aat1290_led_probe()
511 if (IS_ERR(led->v4l2_flash)) { in aat1290_led_probe()
512 ret = PTR_ERR(led->v4l2_flash); in aat1290_led_probe()
521 mutex_destroy(&led->lock); in aat1290_led_probe()
528 struct aat1290_led *led = platform_get_drvdata(pdev); in aat1290_led_remove() local
530 v4l2_flash_release(led->v4l2_flash); in aat1290_led_remove()
531 led_classdev_flash_unregister(&led->fled_cdev); in aat1290_led_remove()
533 mutex_destroy(&led->lock); in aat1290_led_remove()