diff options
Diffstat (limited to 'drivers/video/backlight/backlight.c')
| -rw-r--r-- | drivers/video/backlight/backlight.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index 18829cf68b1b..e207810bba3c 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -13,6 +13,7 @@ #include <linux/ctype.h> #include <linux/err.h> #include <linux/fb.h> +#include <linux/slab.h> #ifdef CONFIG_PMAC_BACKLIGHT #include <asm/backlight.h> @@ -38,7 +39,7 @@ static int fb_notifier_callback(struct notifier_block *self, mutex_lock(&bd->ops_lock); if (bd->ops) if (!bd->ops->check_fb || - bd->ops->check_fb(evdata->info)) { + bd->ops->check_fb(bd, evdata->info)) { bd->props.fb_blank = *(int *)evdata->data; if (bd->props.fb_blank == FB_BLANK_UNBLANK) bd->props.state &= ~BL_CORE_FBBLANK; @@ -269,7 +270,8 @@ EXPORT_SYMBOL(backlight_force_update); * ERR_PTR() or a pointer to the newly allocated device. */ struct backlight_device *backlight_device_register(const char *name, - struct device *parent, void *devdata, const struct backlight_ops *ops) + struct device *parent, void *devdata, const struct backlight_ops *ops, + const struct backlight_properties *props) { struct backlight_device *new_bd; int rc; @@ -289,6 +291,11 @@ struct backlight_device *backlight_device_register(const char *name, dev_set_name(&new_bd->dev, name); dev_set_drvdata(&new_bd->dev, devdata); + /* Set default properties */ + if (props) + memcpy(&new_bd->props, props, + sizeof(struct backlight_properties)); + rc = device_register(&new_bd->dev); if (rc) { kfree(new_bd); |