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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.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c
index 88116b493f3b..f88df9ec08d0 100644
--- a/drivers/video/backlight/lp855x_bl.c
+++ b/drivers/video/backlight/lp855x_bl.c
@@ -73,6 +73,7 @@ struct lp855x {
struct device *dev;
struct lp855x_platform_data *pdata;
struct pwm_device *pwm;
+ struct regulator *supply; /* regulator for VDD input */
};
static int lp855x_write_byte(struct lp855x *lp, u8 reg, u8 data)
@@ -378,13 +379,6 @@ static int lp855x_parse_dt(struct lp855x *lp)
pdata->rom_data = &rom[0];
}
- pdata->supply = devm_regulator_get(dev, "power");
- if (IS_ERR(pdata->supply)) {
- if (PTR_ERR(pdata->supply) == -EPROBE_DEFER)
- return -EPROBE_DEFER;
- pdata->supply = NULL;
- }
-
lp->pdata = pdata;
return 0;
@@ -425,8 +419,15 @@ static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
else
lp->mode = REGISTER_BASED;
- if (lp->pdata->supply) {
- ret = regulator_enable(lp->pdata->supply);
+ lp->supply = devm_regulator_get(lp->dev, "power");
+ if (IS_ERR(lp->supply)) {
+ if (PTR_ERR(lp->supply) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+ lp->supply = NULL;
+ }
+
+ if (lp->supply) {
+ ret = regulator_enable(lp->supply);
if (ret < 0) {
dev_err(&cl->dev, "failed to enable supply: %d\n", ret);
return ret;
@@ -464,8 +465,8 @@ static int lp855x_remove(struct i2c_client *cl)
lp->bl->props.brightness = 0;
backlight_update_status(lp->bl);
- if (lp->pdata->supply)
- regulator_disable(lp->pdata->supply);
+ if (lp->supply)
+ regulator_disable(lp->supply);
sysfs_remove_group(&lp->dev->kobj, &lp855x_attr_group);
return 0;