Video sysfs support: add dev argument for backlight_device_register.
signed-off-by Luming.yu@xxxxxxxxx
---
[patch 1/6] video sysfs support: add dev argument for backlight_device_register.
drivers/video/backlight/backlight.c | 7 +++++--
include/linux/backlight.h | 2 +-
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index 27597c5..1d97cdf 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -190,8 +190,10 @@ static int fb_notifier_callback(struct n
* Creates and registers new backlight class_device. Returns either an
* ERR_PTR() or a pointer to the newly allocated device.
*/
-struct backlight_device *backlight_device_register(const char *name, void *devdata,
- struct backlight_properties *bp)
+struct backlight_device *backlight_device_register(const char *name,
+ struct device *dev,
+ void *devdata,
+ struct backlight_properties *bp)
{
int i, rc;
struct backlight_device *new_bd;
@@ -206,6 +208,7 @@ struct backlight_device *backlight_devic
new_bd->props = bp;
memset(&new_bd->class_dev, 0, sizeof(new_bd->class_dev));
new_bd->class_dev.class = &backlight_class;
+ new_bd->class_dev.dev = dev;
strlcpy(new_bd->class_dev.class_id, name, KOBJ_NAME_LEN);
class_set_devdata(&new_bd->class_dev, devdata);
diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 75e91f5..a5cf1be 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -54,7 +54,7 @@ struct backlight_device {
};
extern struct backlight_device *backlight_device_register(const char *name,
- void *devdata, struct backlight_properties *bp);
+ struct device *dev,void *devdata,struct backlight_properties *bp);
extern void backlight_device_unregister(struct backlight_device *bd);
#define to_backlight_device(obj) container_of(obj, struct backlight_device, class_dev)
-
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