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path: root/drivers/video/backlight/lp855x_bl.c
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Diffstat (limited to 'drivers/video/backlight/lp855x_bl.c')
-rw-r--r--drivers/video/backlight/lp855x_bl.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c
index f68920131a4a..e94932c69f54 100644
--- a/drivers/video/backlight/lp855x_bl.c
+++ b/drivers/video/backlight/lp855x_bl.c
@@ -456,7 +456,7 @@ static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
ret = regulator_enable(lp->enable);
if (ret < 0) {
dev_err(lp->dev, "failed to enable vddio: %d\n", ret);
- return ret;
+ goto disable_supply;
}
/*
@@ -471,24 +471,34 @@ static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
ret = lp855x_configure(lp);
if (ret) {
dev_err(lp->dev, "device config err: %d", ret);
- return ret;
+ goto disable_vddio;
}
ret = lp855x_backlight_register(lp);
if (ret) {
dev_err(lp->dev,
"failed to register backlight. err: %d\n", ret);
- return ret;
+ goto disable_vddio;
}
ret = sysfs_create_group(&lp->dev->kobj, &lp855x_attr_group);
if (ret) {
dev_err(lp->dev, "failed to register sysfs. err: %d\n", ret);
- return ret;
+ goto disable_vddio;
}
backlight_update_status(lp->bl);
+
return 0;
+
+disable_vddio:
+ if (lp->enable)
+ regulator_disable(lp->enable);
+disable_supply:
+ if (lp->supply)
+ regulator_disable(lp->supply);
+
+ return ret;
}
static int lp855x_remove(struct i2c_client *cl)
@@ -497,6 +507,8 @@ static int lp855x_remove(struct i2c_client *cl)
lp->bl->props.brightness = 0;
backlight_update_status(lp->bl);
+ if (lp->enable)
+ regulator_disable(lp->enable);
if (lp->supply)
regulator_disable(lp->supply);
sysfs_remove_group(&lp->dev->kobj, &lp855x_attr_group);