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authorGeert Uytterhoeven <geert+renesas@glider.be>2023-05-23 17:40:41 +0200
committerLee Jones <lee@kernel.org>2023-05-25 12:27:47 +0100
commite01134eb13c55445da6c16c440946757bf761651 (patch)
tree4b65d524ba436b666b2dcb1569d205cae8f8d3a7
parent29554f2e9138d60012d0e0d53e6792f5f4da1fb6 (diff)
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>
-rw-r--r--drivers/video/backlight/pwm_bl.c9
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