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path: root/drivers/video/backlight/rave-sp-backlight.c
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Diffstat (limited to 'drivers/video/backlight/rave-sp-backlight.c')
-rw-r--r--drivers/video/backlight/rave-sp-backlight.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/video/backlight/rave-sp-backlight.c b/drivers/video/backlight/rave-sp-backlight.c
index 462f14a1b19d..05b5f003a3d1 100644
--- a/drivers/video/backlight/rave-sp-backlight.c
+++ b/drivers/video/backlight/rave-sp-backlight.c
@@ -48,14 +48,20 @@ static int rave_sp_backlight_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct backlight_device *bd;
- bd = devm_backlight_device_register(dev, pdev->name, dev->parent,
+ bd = devm_backlight_device_register(dev, pdev->name, dev,
dev_get_drvdata(dev->parent),
&rave_sp_backlight_ops,
&rave_sp_backlight_props);
if (IS_ERR(bd))
return PTR_ERR(bd);
- backlight_update_status(bd);
+ /*
+ * If there is a phandle pointing to the device node we can
+ * assume that another device will manage the status changes.
+ * If not we make sure the backlight is in a consistent state.
+ */
+ if (!dev->of_node->phandle)
+ backlight_update_status(bd);
return 0;
}