diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2023-05-23 18:40:41 +0300 |
|---|---|---|
| committer | Lee Jones <lee@kernel.org> | 2023-05-25 14:27:47 +0300 |
| commit | e01134eb13c55445da6c16c440946757bf761651 (patch) | |
| tree | 4b65d524ba436b666b2dcb1569d205cae8f8d3a7 /drivers/video | |
| parent | 29554f2e9138d60012d0e0d53e6792f5f4da1fb6 (diff) | |
| download | linux-e01134eb13c55445da6c16c440946757bf761651.tar.xz | |
backlight: pwm_bl: Remove unneeded checks for valid GPIOs
All of gpiod_set_value_cansleep() and gpiod_direction_output() handle
NULL GPIO pointers just fine, so there is no need to check for that in
the caller.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/00be8237e0e2bc9b179177b5490f175d657261a2.1684856337.git.geert+renesas@glider.be
Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/backlight/pwm_bl.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index fce412234d10..a51fbab96368 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -54,8 +54,7 @@ static void pwm_backlight_power_on(struct pwm_bl_data *pb) if (pb->post_pwm_on_delay) msleep(pb->post_pwm_on_delay); - if (pb->enable_gpio) - gpiod_set_value_cansleep(pb->enable_gpio, 1); + gpiod_set_value_cansleep(pb->enable_gpio, 1); pb->enabled = true; } @@ -65,8 +64,7 @@ static void pwm_backlight_power_off(struct pwm_bl_data *pb) if (!pb->enabled) return; - if (pb->enable_gpio) - gpiod_set_value_cansleep(pb->enable_gpio, 0); + gpiod_set_value_cansleep(pb->enable_gpio, 0); if (pb->pwm_off_delay) msleep(pb->pwm_off_delay); @@ -429,8 +427,7 @@ static int pwm_backlight_initial_power_state(const struct pwm_bl_data *pb) * Synchronize the enable_gpio with the observed state of the * hardware. */ - if (pb->enable_gpio) - gpiod_direction_output(pb->enable_gpio, active); + gpiod_direction_output(pb->enable_gpio, active); /* * Do not change pb->enabled here! pb->enabled essentially |