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authorMaxime Ripard <maxime.ripard@free-electrons.com>2016-08-31 10:18:12 +0200
committerLee Jones <lee.jones@linaro.org>2016-10-06 09:27:26 +0100
commit0c9501f823a40a061f755d3789c4705c9fe85f14 (patch)
tree0748b51b1419b74ed275cec6b8d13cfad64ad0ab
parent358791033f39d138bf64e5544937345f4a7cf83a (diff)
backlight: pwm_bl: Handle gpio that can sleep
Some backlight GPIOs might be connected to some i2c based expanders whose access might sleep. Since it's not in any critical path, use the cansleep variant of the GPIO API. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
-rw-r--r--drivers/video/backlight/pwm_bl.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index b2b366b..1261400 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -55,7 +55,7 @@ static void pwm_backlight_power_on(struct pwm_bl_data *pb, int brightness)
dev_err(pb->dev, "failed to enable power supply\n");
if (pb->enable_gpio)
- gpiod_set_value(pb->enable_gpio, 1);
+ gpiod_set_value_cansleep(pb->enable_gpio, 1);
pwm_enable(pb->pwm);
pb->enabled = true;
@@ -70,7 +70,7 @@ static void pwm_backlight_power_off(struct pwm_bl_data *pb)
pwm_disable(pb->pwm);
if (pb->enable_gpio)
- gpiod_set_value(pb->enable_gpio, 0);
+ gpiod_set_value_cansleep(pb->enable_gpio, 0);
regulator_disable(pb->power_supply);
pb->enabled = false;