blink_state 460 drivers/leds/leds-ss4200.c unsigned long blink_state; blink_state 462 drivers/leds/leds-ss4200.c ret = kstrtoul(buf, 10, &blink_state); blink_state 466 drivers/leds/leds-ss4200.c nasgpio_led_set_attr(led, GPO_BLINK, blink_state);