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| author | Jan200101 <sentrycraft123@gmail.com> | 2020-08-31 15:45:37 +0200 |
|---|---|---|
| committer | Jan200101 <sentrycraft123@gmail.com> | 2020-12-05 19:40:07 +0100 |
| commit | 9f23c66be7af392787a9f417b407a3b50f8854ab (patch) | |
| tree | d89b1b4cee9ea6677143b5e6d288d5d79aa3786d /SOURCES/0001-drm-panel-st7703-Assert-reset-prior-to-powering-down.patch | |
| parent | 107e249a92abc94164c879f708cd5c7082338c5d (diff) | |
| download | kernel-fsync-9f23c66be7af392787a9f417b407a3b50f8854ab.tar.gz kernel-fsync-9f23c66be7af392787a9f417b407a3b50f8854ab.zip | |
kernel 5.8.4
Diffstat (limited to 'SOURCES/0001-drm-panel-st7703-Assert-reset-prior-to-powering-down.patch')
| -rw-r--r-- | SOURCES/0001-drm-panel-st7703-Assert-reset-prior-to-powering-down.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/SOURCES/0001-drm-panel-st7703-Assert-reset-prior-to-powering-down.patch b/SOURCES/0001-drm-panel-st7703-Assert-reset-prior-to-powering-down.patch new file mode 100644 index 0000000..045875f --- /dev/null +++ b/SOURCES/0001-drm-panel-st7703-Assert-reset-prior-to-powering-down.patch @@ -0,0 +1,29 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Ondrej Jirman <megous@megous.com> +Date: Fri, 26 Jun 2020 02:55:59 +0200 +Subject: [PATCH] drm/panel: st7703: Assert reset prior to powering down the + regulators + +The reset pin is inverted, so if we don't assert reset, the actual gpio +will be high and may keep driving the IO port of the panel. + +Signed-off-by: Ondrej Jirman <megous@megous.com> +--- + drivers/gpu/drm/panel/panel-sitronix-st7703.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c +index e771281eb547..92930e127559 100644 +--- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c ++++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c +@@ -416,6 +416,7 @@ static int st7703_unprepare(struct drm_panel *panel) + if (!ctx->prepared) + return 0; + ++ gpiod_set_value_cansleep(ctx->reset_gpio, 1); + regulator_disable(ctx->iovcc); + regulator_disable(ctx->vcc); + ctx->prepared = false; +-- +2.26.2 + |