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drm/panel: jdi-lt070me05000: Use gpiod_set_value_cansleep

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There is no reason why the control GPIOs for the panel can not
be connected to I2C or similar GPIO interfaces that may need to
sleep, therefore switch from gpiod_set_value to
gpiod_set_value_cansleep calls to configure them.
Without that you get complaints from gpiolib every time the state
is changed.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
This commit is contained in:
Dave Stevenson
2021-04-15 17:30:35 +01:00
committed by Dom Cobley
parent b3e2e8e673
commit 8889aa9c75
1 changed files with 9 additions and 9 deletions
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18
drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
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@@ -205,11 +205,11 @@ static int jdi_panel_unprepare(struct drm_panel *panel)
if (ret < 0)
dev_err(dev, "regulator disable failed, %d\n", ret);
gpiod_set_value(jdi->enable_gpio, 0);
gpiod_set_value_cansleep(jdi->enable_gpio, 0);
gpiod_set_value(jdi->reset_gpio, 1);
gpiod_set_value_cansleep(jdi->reset_gpio, 1);
gpiod_set_value(jdi->dcdc_en_gpio, 0);
gpiod_set_value_cansleep(jdi->dcdc_en_gpio, 0);
jdi->prepared = false;
@@ -233,13 +233,13 @@ static int jdi_panel_prepare(struct drm_panel *panel)
msleep(20);
gpiod_set_value(jdi->dcdc_en_gpio, 1);
gpiod_set_value_cansleep(jdi->dcdc_en_gpio, 1);
usleep_range(10, 20);
gpiod_set_value(jdi->reset_gpio, 0);
gpiod_set_value_cansleep(jdi->reset_gpio, 0);
usleep_range(10, 20);
gpiod_set_value(jdi->enable_gpio, 1);
gpiod_set_value_cansleep(jdi->enable_gpio, 1);
usleep_range(10, 20);
ret = jdi_panel_init(jdi);
@@ -263,11 +263,11 @@ poweroff:
if (ret < 0)
dev_err(dev, "regulator disable failed, %d\n", ret);
gpiod_set_value(jdi->enable_gpio, 0);
gpiod_set_value_cansleep(jdi->enable_gpio, 0);
gpiod_set_value(jdi->reset_gpio, 1);
gpiod_set_value_cansleep(jdi->reset_gpio, 1);
gpiod_set_value(jdi->dcdc_en_gpio, 0);
gpiod_set_value_cansleep(jdi->dcdc_en_gpio, 0);
return ret;
}