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openmptcprouter/6.1/target/linux/bcm27xx/patches-6.1/0325-drm-panel-jdi-lt070me05000-Use-gpiod_set_value_cansl.patch

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2.3 KiB
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From 20c2fd3f2c5892fdafa26f7db90334803f8627e0 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Thu, 15 Apr 2021 17:30:35 +0100
Subject: [PATCH 325/726] drm/panel: jdi-lt070me05000: Use
gpiod_set_value_cansleep
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>
---
drivers/gpu/drm/panel/panel-jdi-lt070me05000.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
index 8f4f137a2af6..74350f95d1cf 100644
--- a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
+++ b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
@@ -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 @@ static int jdi_panel_prepare(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);
return ret;
}
--
2.33.1