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path: root/drivers/video/backlight/pwm_bl.c
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Diffstat (limited to 'drivers/video/backlight/pwm_bl.c')
-rw-r--r--drivers/video/backlight/pwm_bl.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index df9e0b32cf39..9d2ec2a1cce8 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -22,8 +22,10 @@
struct pwm_bl_data {
struct pwm_device *pwm;
+ struct device *dev;
unsigned int period;
- int (*notify)(int brightness);
+ int (*notify)(struct device *,
+ int brightness);
};
static int pwm_backlight_update_status(struct backlight_device *bl)
@@ -39,7 +41,7 @@ static int pwm_backlight_update_status(struct backlight_device *bl)
brightness = 0;
if (pb->notify)
- brightness = pb->notify(brightness);
+ brightness = pb->notify(pb->dev, brightness);
if (brightness == 0) {
pwm_config(pb->pwm, 0, pb->period);
@@ -88,6 +90,7 @@ static int pwm_backlight_probe(struct platform_device *pdev)
pb->period = data->pwm_period_ns;
pb->notify = data->notify;
+ pb->dev = &pdev->dev;
pb->pwm = pwm_request(data->pwm_id, "backlight");
if (IS_ERR(pb->pwm)) {
@@ -146,7 +149,7 @@ static int pwm_backlight_suspend(struct platform_device *pdev,
struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev);
if (pb->notify)
- pb->notify(0);
+ pb->notify(pb->dev, 0);
pwm_config(pb->pwm, 0, pb->period);
pwm_disable(pb->pwm);
return 0;