From 57e148b6a975980944f4466ccb669b1d02dfc6a1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= Date: Sun, 21 Feb 2010 00:20:01 +0100 Subject: backlight: Add backlight_device parameter to check_fb MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit check_fb from backlight_ops lacks a reference to the backlight_device that's being referred to. Add this parameter so a backlight_device can be mapped to a single framebuffer, especially if the same driver handles multiple devices on a single system. Signed-off-by: Bruno Prémont Signed-off-by: Richard Purdie diff --git a/drivers/video/backlight/adx_bl.c b/drivers/video/backlight/adx_bl.c index d769b0b..a683dd1 100644 --- a/drivers/video/backlight/adx_bl.c +++ b/drivers/video/backlight/adx_bl.c @@ -56,7 +56,7 @@ static int adx_backlight_get_brightness(struct backlight_device *bldev) return brightness & 0xff; } -static int adx_backlight_check_fb(struct fb_info *fb) +static int adx_backlight_check_fb(struct backlight_device *bldev, struct fb_info *fb) { return 1; } diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index 18829cf..b800cd4 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -38,7 +38,7 @@ 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; diff --git a/include/linux/backlight.h b/include/linux/backlight.h index ee377d7..21cd866 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -47,7 +47,7 @@ struct backlight_ops { int (*get_brightness)(struct backlight_device *); /* Check if given framebuffer device is the one bound to this backlight; return 0 if not, !=0 if it is. If NULL, backlight always matches the fb. */ - int (*check_fb)(struct fb_info *); + int (*check_fb)(struct backlight_device *, struct fb_info *); }; /* This structure defines all the properties of a backlight */ -- cgit v0.10.2