led_set_flash_timeout
ret = led_set_flash_timeout(fled_cdev, flash_timeout);
EXPORT_SYMBOL_GPL(led_set_flash_timeout);
return led_set_flash_timeout(fled_cdev, c->val);
ret = led_set_flash_timeout(fled_cdev,
int led_set_flash_timeout(struct led_classdev_flash *fled_cdev, u32 timeout);