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path: root/drivers/gpu/drm/panel/panel-innolux-p079zca.c
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Diffstat (limited to 'drivers/gpu/drm/panel/panel-innolux-p079zca.c')
-rw-r--r--drivers/gpu/drm/panel/panel-innolux-p079zca.c30
1 files changed, 6 insertions, 24 deletions
diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c
index 6ba93449fcfb..57df39b5c589 100644
--- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c
+++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c
@@ -45,8 +45,7 @@ static int innolux_panel_disable(struct drm_panel *panel)
if (!innolux->enabled)
return 0;
- innolux->backlight->props.power = FB_BLANK_POWERDOWN;
- backlight_update_status(innolux->backlight);
+ backlight_disable(innolux->backlight);
err = mipi_dsi_dcs_set_display_off(innolux->link);
if (err < 0)
@@ -151,8 +150,7 @@ static int innolux_panel_enable(struct drm_panel *panel)
if (innolux->enabled)
return 0;
- innolux->backlight->props.power = FB_BLANK_UNBLANK;
- ret = backlight_update_status(innolux->backlight);
+ ret = backlight_enable(innolux->backlight);
if (ret) {
DRM_DEV_ERROR(panel->drm->dev,
"Failed to enable backlight %d\n", ret);
@@ -217,7 +215,6 @@ MODULE_DEVICE_TABLE(of, innolux_of_match);
static int innolux_panel_add(struct innolux_panel *innolux)
{
struct device *dev = &innolux->link->dev;
- struct device_node *np;
int err;
innolux->supply = devm_regulator_get(dev, "power");
@@ -232,37 +229,22 @@ static int innolux_panel_add(struct innolux_panel *innolux)
innolux->enable_gpio = NULL;
}
- np = of_parse_phandle(dev->of_node, "backlight", 0);
- if (np) {
- innolux->backlight = of_find_backlight_by_node(np);
- of_node_put(np);
+ innolux->backlight = devm_of_find_backlight(dev);
- if (!innolux->backlight)
- return -EPROBE_DEFER;
- }
+ if (IS_ERR(innolux->backlight))
+ return PTR_ERR(innolux->backlight);
drm_panel_init(&innolux->base);
innolux->base.funcs = &innolux_panel_funcs;
innolux->base.dev = &innolux->link->dev;
- err = drm_panel_add(&innolux->base);
- if (err < 0)
- goto put_backlight;
-
- return 0;
-
-put_backlight:
- put_device(&innolux->backlight->dev);
-
- return err;
+ return drm_panel_add(&innolux->base);
}
static void innolux_panel_del(struct innolux_panel *innolux)
{
if (innolux->base.dev)
drm_panel_remove(&innolux->base);
-
- put_device(&innolux->backlight->dev);
}
static int innolux_panel_probe(struct mipi_dsi_device *dsi)