15 #include <linux/led-class-flash.h>
22 #include <media/v4l2-flash-led-class.h>
71 	struct led_classdev_flash flash;  member
89 	struct mt6370_led *led = to_mt6370_led(lcdev, flash.led_cdev);  in mt6370_torch_brightness_set()
101 	 * There is only one set of flash control logic, and this flag is used to check if 'strobe'  in mt6370_torch_brightness_set()
124 			 * There're two flash channels in MT6370. If joint flash output is used,  in mt6370_torch_brightness_set()
157 	 * Because of the current spikes when turning on the flash, the brightness should be kept  in mt6370_flash_brightness_set()
166 	struct mt6370_led *led = to_mt6370_led(fl_cdev, flash);  in _mt6370_flash_brightness_set()
176 		 * There're two flash channels in MT6370. If joint flash output is used, storbe  in _mt6370_flash_brightness_set()
197 	struct mt6370_led *led = to_mt6370_led(fl_cdev, flash);  in mt6370_strobe_set()
211 	 * There is only one set of flash control logic, and this flag is used to check if 'torch'  in mt6370_strobe_set()
235 	 * If the flash needs to turn on, configure the flash current to ramp up to the setting  in mt6370_strobe_set()
245 	 * For the flash to turn on/off, we must wait for HW ramping up/down time 5ms/500us to  in mt6370_strobe_set()
262 	struct mt6370_led *led = to_mt6370_led(fl_cdev, flash);  in mt6370_strobe_get()
274 	struct mt6370_led *led = to_mt6370_led(fl_cdev, flash);  in mt6370_timeout_set()
284 	struct mt6370_led *led = to_mt6370_led(fl_cdev, flash);  in mt6370_fault_get()
346 	struct led_classdev_flash *flash = v4l2_flash->fled_cdev;  in mt6370_flash_external_strobe_set()  local
347 	struct mt6370_led *led = to_mt6370_led(flash, flash);  in mt6370_flash_external_strobe_set()
379 	lcdev = &led->flash.led_cdev;  in mt6370_init_v4l2_flash_config()
410 	ret = devm_led_classdev_flash_register_ext(parent, &led->flash, &init_data);  in mt6370_led_register()
412 		return dev_err_probe(parent, ret, "Couldn't register flash %d\n", led->led_no);  in mt6370_led_register()
415 	led->v4l2_flash = v4l2_flash_init(parent, fwnode, &led->flash, &v4l2_flash_ops,  in mt6370_led_register()
438 	struct led_classdev_flash *flash = &led->flash;  in mt6370_init_flash_properties()  local
439 	struct led_classdev *lcdev = &flash->led_cdev;  in mt6370_init_flash_properties()
463 	/* If both channels are specified in 'led-sources', joint flash output mode is used */  in mt6370_init_flash_properties()
478 	ret = fwnode_property_read_u32(fwnode, "flash-max-microamp", &val);  in mt6370_init_flash_properties()
482 	s = &flash->brightness;  in mt6370_init_flash_properties()
487 	/* Always configure to the minimum level when off to prevent flash current spikes. */  in mt6370_init_flash_properties()
488 	ret = _mt6370_flash_brightness_set(flash, s->min);  in mt6370_init_flash_properties()
493 	ret = fwnode_property_read_u32(fwnode, "flash-max-timeout-us", &val);  in mt6370_init_flash_properties()
498 	s = &flash->timeout;  in mt6370_init_flash_properties()
503 	flash->ops = &mt6370_flash_ops;  in mt6370_init_flash_properties()
572 MODULE_DESCRIPTION("MT6370 FLASH LED Driver");