xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/panel: Use of_find_backlight helper

Browse Source 
Replace of_find_backlight_by_node and of the code around it
with of_find_backlight helper to avoid repetition of code.

Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Meghana Madhyastha <meghana.madhyastha@gmail.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/140d01afb138d687680b2d1776a4c101c9fa9a0a.1516810725.git.meghana.madhyastha@gmail.com
This commit is contained in:
Meghana Madhyastha
2018-01-24 16:40:51 +00:00
committed by Sean Paul
parent f4ccc2b576
commit c69f94570d
3 changed files with 13 additions and 66 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
View File

@@ -253,8 +253,6 @@ static const struct drm_panel_funcs sharp_nt_panel_funcs = {
static int sharp_nt_panel_add(struct sharp_nt_panel *sharp_nt)
{
struct device *dev = &sharp_nt->dsi->dev;
struct device_node *np;
int ret;
sharp_nt->mode = &default_mode;
@@ -271,39 +269,22 @@ static int sharp_nt_panel_add(struct sharp_nt_panel *sharp_nt)
gpiod_set_value(sharp_nt->reset_gpio, 0);
}
np = of_parse_phandle(dev->of_node, "backlight", 0);
if (np) {
sharp_nt->backlight = of_find_backlight_by_node(np);
of_node_put(np);
sharp_nt->backlight = devm_of_find_backlight(dev);
if (!sharp_nt->backlight)
return -EPROBE_DEFER;
}
if (IS_ERR(sharp_nt->backlight))
return PTR_ERR(sharp_nt->backlight);
drm_panel_init(&sharp_nt->base);
sharp_nt->base.funcs = &sharp_nt_panel_funcs;
sharp_nt->base.dev = &sharp_nt->dsi->dev;
ret = drm_panel_add(&sharp_nt->base);
if (ret < 0)
goto put_backlight;
return 0;
put_backlight:
if (sharp_nt->backlight)
put_device(&sharp_nt->backlight->dev);
return ret;
return drm_panel_add(&sharp_nt->base);
}
static void sharp_nt_panel_del(struct sharp_nt_panel *sharp_nt)
{
if (sharp_nt->base.dev)
drm_panel_remove(&sharp_nt->base);
if (sharp_nt->backlight)
put_device(&sharp_nt->backlight->dev);
}
static int sharp_nt_panel_probe(struct mipi_dsi_device *dsi)