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authorSean Paul <seanpaul@chromium.org>2018-01-17 01:22:10 +0300
committerSean Paul <seanpaul@chromium.org>2018-01-17 20:17:19 +0300
commit739ebf51a92c67ce7e26e348d8effb9a55eb96c3 (patch)
tree5b2ec273a60dd5415f38ef9d7c9df8ae26c1c119 /drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
parent6ac69290289821b80c2fcf9e3f2c137346c4239f (diff)
downloadlinux-739ebf51a92c67ce7e26e348d8effb9a55eb96c3.tar.xz
drm/panel: panasonic-vvx10f034n00: Fix wuxga_nt_panel_disable() return value
Return value for mipi_dsi_shutdown_peripheral() is unchecked. Check it and return any errors if they come up. Even if mipi_dsi_shutdown_peripheral() fails, continue attempting to disable. Cc: Philippe Cornu <philippe.cornu@st.com> Reviewed-by: Philippe Cornu <philippe.cornu@st.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20180116222217.240939-1-seanpaul@chromium.org
Diffstat (limited to 'drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c')
-rw-r--r--drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c b/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
index 7f915f706fa6..91dc5a6b14f9 100644
--- a/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
+++ b/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
@@ -72,11 +72,12 @@ static int wuxga_nt_panel_on(struct wuxga_nt_panel *wuxga_nt)
static int wuxga_nt_panel_disable(struct drm_panel *panel)
{
struct wuxga_nt_panel *wuxga_nt = to_wuxga_nt_panel(panel);
+ int ret;
if (!wuxga_nt->enabled)
return 0;
- mipi_dsi_shutdown_peripheral(wuxga_nt->dsi);
+ ret = mipi_dsi_shutdown_peripheral(wuxga_nt->dsi);
if (wuxga_nt->backlight) {
wuxga_nt->backlight->props.power = FB_BLANK_POWERDOWN;
@@ -86,7 +87,7 @@ static int wuxga_nt_panel_disable(struct drm_panel *panel)
wuxga_nt->enabled = false;
- return 0;
+ return ret;
}
static int wuxga_nt_panel_unprepare(struct drm_panel *panel)