backlight: Remove unneeded backlight update_status calls

The backlight core listens for blanking events and triggers a
backlight_update_status call so these extra calls are not
needed and can be removed.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>

3 files changed, 0 insertions, 41 deletions

diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index 5d8f73b2b66f..1c77cfb8e683 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -2209,11 +2209,6 @@ static int aty128fb_blank(int blank, struct fb_info *fb)
         if (par->lock_blank || par->asleep)
                 return 0;
 
-#ifdef CONFIG_FB_ATY128_BACKLIGHT
-        if (machine_is(powermac) && blank)
-                aty128_bl_set_power(fb, FB_BLANK_POWERDOWN);
-#endif
-
         if (blank & FB_BLANK_VSYNC_SUSPEND)
                 state |= 2;
         if (blank & FB_BLANK_HSYNC_SUSPEND)
@@ -2228,11 +2223,6 @@ static int aty128fb_blank(int blank, struct fb_info *fb)
                 aty128_set_lcd_enable(par, par->lcd_on && !blank);
         }
 
-#ifdef CONFIG_FB_ATY128_BACKLIGHT
-        if (machine_is(powermac) && !blank)
-                aty128_bl_set_power(fb, FB_BLANK_UNBLANK);
-#endif
-
         return 0;
 }
 
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 23deb3566020..3b6529392359 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -2183,18 +2183,6 @@ static struct backlight_properties aty_bl_data = {
         .max_brightness = (FB_BACKLIGHT_LEVELS - 1),
 };
 
-static void aty_bl_set_power(struct fb_info *info, int power)
-{
-        mutex_lock(&info->bl_mutex);
-
-        if (info->bl_dev) {
-                info->bl_dev->props->power = power;
-                __aty_bl_update_status(info->bl_dev);
-        }
-
-        mutex_unlock(&info->bl_mutex);
-}
-
 static void aty_bl_init(struct atyfb_par *par)
 {
         struct fb_info *info = pci_get_drvdata(par->pdev);
@@ -2809,8 +2797,6 @@ static int atyfb_blank(int blank, struct fb_info *info)
                 return 0;
 
 #ifdef CONFIG_FB_ATY_BACKLIGHT
-        if (machine_is(powermac) && blank > FB_BLANK_NORMAL)
-                aty_bl_set_power(info, FB_BLANK_POWERDOWN);
 #elif defined(CONFIG_FB_ATY_GENERIC_LCD)
         if (par->lcd_table && blank > FB_BLANK_NORMAL &&
             (aty_ld_lcd(LCD_GEN_CNTL, par) & LCD_ON)) {
@@ -2841,8 +2827,6 @@ static int atyfb_blank(int blank, struct fb_info *info)
         aty_st_le32(CRTC_GEN_CNTL, gen_cntl, par);
 
 #ifdef CONFIG_FB_ATY_BACKLIGHT
-        if (machine_is(powermac) && blank <= FB_BLANK_NORMAL)
-                aty_bl_set_power(info, FB_BLANK_UNBLANK);
 #elif defined(CONFIG_FB_ATY_GENERIC_LCD)
         if (par->lcd_table && blank <= FB_BLANK_NORMAL &&
             (aty_ld_lcd(LCD_GEN_CNTL, par) & LCD_ON)) {
diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c
index b70d18f7fcd9..9e7d3fcde207 100644
--- a/drivers/video/riva/fbdev.c
+++ b/drivers/video/riva/fbdev.c
@@ -352,18 +352,6 @@ static struct backlight_properties riva_bl_data = {
         .max_brightness = (FB_BACKLIGHT_LEVELS - 1),
 };
 
-static void riva_bl_set_power(struct fb_info *info, int power)
-{
-        mutex_lock(&info->bl_mutex);
-
-        if (info->bl_dev) {
-                info->bl_dev->props->power = power;
-                __riva_bl_update_status(info->bl_dev);
-        }
-
-        mutex_unlock(&info->bl_mutex);
-}
-
 static void riva_bl_init(struct riva_par *par)
 {
         struct fb_info *info = pci_get_drvdata(par->pdev);
@@ -442,7 +430,6 @@ static void riva_bl_exit(struct riva_par *par)
 #else
 static inline void riva_bl_init(struct riva_par *par) {}
 static inline void riva_bl_exit(struct riva_par *par) {}
-static inline void riva_bl_set_power(struct fb_info *info, int power) {}
 #endif /* CONFIG_FB_RIVA_BACKLIGHT */
 
 /* ------------------------------------------------------------------------- *
@@ -1343,8 +1330,6 @@ static int rivafb_blank(int blank, struct fb_info *info)
         SEQout(par, 0x01, tmp);
         CRTCout(par, 0x1a, vesa);
 
-        riva_bl_set_power(info, blank);
-
         NVTRACE_LEAVE();
 
         return 0;