leds: leds-gpio: use gpio_request_one
Using gpio_request_one can make the code simpler because it can
set the direction and initial value in one shot.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index 087d1e6..0b41853 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -106,10 +106,6 @@
return 0;
}
- ret = gpio_request(template->gpio, template->name);
- if (ret < 0)
- return ret;
-
led_dat->cdev.name = template->name;
led_dat->cdev.default_trigger = template->default_trigger;
led_dat->gpio = template->gpio;
@@ -129,10 +125,12 @@
if (!template->retain_state_suspended)
led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
- ret = gpio_direction_output(led_dat->gpio, led_dat->active_low ^ state);
+ ret = gpio_request_one(template->gpio,
+ GPIOF_DIR_OUT | (led_dat->active_low ^ state),
+ template->name);
if (ret < 0)
- goto err;
-
+ return ret;
+
INIT_WORK(&led_dat->work, gpio_led_work);
ret = led_classdev_register(parent, &led_dat->cdev);