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Diffstat (limited to 'drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c')
-rw-r--r--drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c38
1 files changed, 7 insertions, 31 deletions
diff --git a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
index 3cce3ca19601..6bf8730f1a21 100644
--- a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
+++ b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c
@@ -96,10 +96,7 @@ static int sharp_panel_disable(struct drm_panel *panel)
if (!sharp->enabled)
return 0;
- if (sharp->backlight) {
- sharp->backlight->props.power = FB_BLANK_POWERDOWN;
- backlight_update_status(sharp->backlight);
- }
+ backlight_disable(sharp->backlight);
sharp->enabled = false;
@@ -263,10 +260,7 @@ static int sharp_panel_enable(struct drm_panel *panel)
if (sharp->enabled)
return 0;
- if (sharp->backlight) {
- sharp->backlight->props.power = FB_BLANK_UNBLANK;
- backlight_update_status(sharp->backlight);
- }
+ backlight_enable(sharp->backlight);
sharp->enabled = true;
@@ -324,8 +318,7 @@ MODULE_DEVICE_TABLE(of, sharp_of_match);
static int sharp_panel_add(struct sharp_panel *sharp)
{
- struct device_node *np;
- int err;
+ struct device *dev = &sharp->link1->dev;
sharp->mode = &default_mode;
@@ -333,30 +326,16 @@ static int sharp_panel_add(struct sharp_panel *sharp)
if (IS_ERR(sharp->supply))
return PTR_ERR(sharp->supply);
- np = of_parse_phandle(sharp->link1->dev.of_node, "backlight", 0);
- if (np) {
- sharp->backlight = of_find_backlight_by_node(np);
- of_node_put(np);
+ sharp->backlight = devm_of_find_backlight(dev);
- if (!sharp->backlight)
- return -EPROBE_DEFER;
- }
+ if (IS_ERR(sharp->backlight))
+ return PTR_ERR(sharp->backlight);
drm_panel_init(&sharp->base);
sharp->base.funcs = &sharp_panel_funcs;
sharp->base.dev = &sharp->link1->dev;
- err = drm_panel_add(&sharp->base);
- if (err < 0)
- goto put_backlight;
-
- return 0;
-
-put_backlight:
- if (sharp->backlight)
- put_device(&sharp->backlight->dev);
-
- return err;
+ return drm_panel_add(&sharp->base);
}
static void sharp_panel_del(struct sharp_panel *sharp)
@@ -364,9 +343,6 @@ static void sharp_panel_del(struct sharp_panel *sharp)
if (sharp->base.dev)
drm_panel_remove(&sharp->base);
- if (sharp->backlight)
- put_device(&sharp->backlight->dev);
-
if (sharp->link2)
put_device(&sharp->link2->dev);
}