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72 lines
2.3 KiB
Diff
72 lines
2.3 KiB
Diff
From 8889aa9c75ffecfff3f81a9cfec1eac5d27c89f2 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Thu, 15 Apr 2021 17:30:35 +0100
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Subject: [PATCH 0287/1002] drm/panel: jdi-lt070me05000: Use
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gpiod_set_value_cansleep
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There is no reason why the control GPIOs for the panel can not
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be connected to I2C or similar GPIO interfaces that may need to
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sleep, therefore switch from gpiod_set_value to
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gpiod_set_value_cansleep calls to configure them.
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Without that you get complaints from gpiolib every time the state
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is changed.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/gpu/drm/panel/panel-jdi-lt070me05000.c | 18 +++++++++---------
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1 file changed, 9 insertions(+), 9 deletions(-)
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diff --git a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
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index 213008499caa..f0041bce1160 100644
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--- a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
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+++ b/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)
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if (ret < 0)
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dev_err(dev, "regulator disable failed, %d\n", ret);
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- gpiod_set_value(jdi->enable_gpio, 0);
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+ gpiod_set_value_cansleep(jdi->enable_gpio, 0);
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- gpiod_set_value(jdi->reset_gpio, 1);
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+ gpiod_set_value_cansleep(jdi->reset_gpio, 1);
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- gpiod_set_value(jdi->dcdc_en_gpio, 0);
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+ gpiod_set_value_cansleep(jdi->dcdc_en_gpio, 0);
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jdi->prepared = false;
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@@ -233,13 +233,13 @@ static int jdi_panel_prepare(struct drm_panel *panel)
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msleep(20);
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- gpiod_set_value(jdi->dcdc_en_gpio, 1);
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+ gpiod_set_value_cansleep(jdi->dcdc_en_gpio, 1);
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usleep_range(10, 20);
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- gpiod_set_value(jdi->reset_gpio, 0);
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+ gpiod_set_value_cansleep(jdi->reset_gpio, 0);
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usleep_range(10, 20);
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- gpiod_set_value(jdi->enable_gpio, 1);
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+ gpiod_set_value_cansleep(jdi->enable_gpio, 1);
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usleep_range(10, 20);
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ret = jdi_panel_init(jdi);
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@@ -263,11 +263,11 @@ static int jdi_panel_prepare(struct drm_panel *panel)
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if (ret < 0)
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dev_err(dev, "regulator disable failed, %d\n", ret);
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- gpiod_set_value(jdi->enable_gpio, 0);
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+ gpiod_set_value_cansleep(jdi->enable_gpio, 0);
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- gpiod_set_value(jdi->reset_gpio, 1);
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+ gpiod_set_value_cansleep(jdi->reset_gpio, 1);
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- gpiod_set_value(jdi->dcdc_en_gpio, 0);
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+ gpiod_set_value_cansleep(jdi->dcdc_en_gpio, 0);
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return ret;
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}
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--
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2.44.0
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