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@xxxxxxxxxxx>
---
drivers/leds/leds-ns2.c | 21 +++++++--------------
1 files changed, 7 insertions(+), 14 deletions(-)
diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c
index d176ec8..ae8f93b 100644
--- a/drivers/leds/leds-ns2.c
+++ b/drivers/leds/leds-ns2.c
@@ -191,25 +191,18 @@ create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
int ret;
enum ns2_led_modes mode;
- ret = gpio_request(template->cmd, template->name);
- if (ret == 0) {
- ret = gpio_direction_output(template->cmd,
- gpio_get_value(template->cmd));
- if (ret)
- gpio_free(template->cmd);
- }
+ ret = gpio_request_one(template->cmd,
+ GPIOF_DIR_OUT | gpio_get_value(template->cmd),
+ template->name);
if (ret) {
dev_err(&pdev->dev, "%s: failed to setup command GPIO\n",
template->name);
+ return ret;
}
- ret = gpio_request(template->slow, template->name);
- if (ret == 0) {
- ret = gpio_direction_output(template->slow,
- gpio_get_value(template->slow));
- if (ret)
- gpio_free(template->slow);
- }
+ ret = gpio_request_one(template->slow,
+ GPIOF_DIR_OUT | gpio_get_value(template->slow),
+ template->name);
if (ret) {
dev_err(&pdev->dev, "%s: failed to setup slow GPIO\n",
template->name);
--
1.7.1
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