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lcd: add lcd_device to check_fb() entry in lcd_ops 

Add the lcd_device being checked to the check_fb entry of lcd_ops.  This
ensures that any driver using this to check against it's own state can do
so, and also makes all the calls in lcd_ops more orthogonal in their
arguments.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ben Dooks 2008-07-23 21:31:38 -07:00 committed by Linus Torvalds
parent cccb6d3c14
commit 0c531360ed
4 changed files with 4 additions and 4 deletions
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2
drivers/video/backlight/lcd.c
View File

@ -33,7 +33,7 @@ static int fb_notifier_callback(struct notifier_block *self,
ld = container_of(self, struct lcd_device, fb_notif);
mutex_lock(&ld->ops_lock);
if (ld->ops)
if (!ld->ops->check_fb || ld->ops->check_fb(evdata->info))
if (!ld->ops->check_fb || ld->ops->check_fb(ld, evdata->info))
ld->ops->set_power(ld, *(int *)evdata->data);
mutex_unlock(&ld->ops_lock);
return 0;

2
drivers/video/bf54x-lq043fb.c
View File

@ -478,7 +478,7 @@ static int bfin_lcd_set_contrast(struct lcd_device *dev, int contrast)
return 0;
}
static int bfin_lcd_check_fb(struct fb_info *fi)
static int bfin_lcd_check_fb(struct lcd_device *dev, struct fb_info *fi)
{
if (!fi || (fi == &bfin_bf54x_fb))
return 1;

2
drivers/video/bfin-t350mcqb-fb.c
View File

@ -396,7 +396,7 @@ static int bfin_lcd_set_contrast(struct lcd_device *dev, int contrast)
return 0;
}
static int bfin_lcd_check_fb(struct fb_info *fi)
static int bfin_lcd_check_fb(struct lcd_device *dev, struct fb_info *fi)
{
if (!fi || (fi == &bfin_t350mcqb_fb))
return 1;

2
include/linux/lcd.h
View File

@ -47,7 +47,7 @@ struct lcd_ops {
int (*set_contrast)(struct lcd_device *, int contrast);
/* Check if given framebuffer device is the one LCD is bound to;
return 0 if not, !=0 if it is. If NULL, lcd always matches the fb. */
int (*check_fb)(struct fb_info *);
int (*check_fb)(struct lcd_device *, struct fb_info *);
};
struct lcd_device {