backlight: Clean up pmac_backlight handling
Move the setting/unsetting of pmac_backlight into the
backlight core instead of doing it in each driver.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index ef3e786..4de8d62 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -1829,13 +1829,6 @@
bd->props->power = FB_BLANK_UNBLANK;
backlight_update_status(bd);
-#ifdef CONFIG_PMAC_BACKLIGHT
- mutex_lock(&pmac_backlight_mutex);
- if (!pmac_backlight)
- pmac_backlight = bd;
- mutex_unlock(&pmac_backlight_mutex);
-#endif
-
printk("aty128: Backlight initialized (%s)\n", name);
return;
@@ -1846,17 +1839,8 @@
static void aty128_bl_exit(struct backlight_device *bd)
{
- if (bd) {
-#ifdef CONFIG_PMAC_BACKLIGHT
- mutex_lock(&pmac_backlight_mutex);
- if (pmac_backlight == bd)
- pmac_backlight = NULL;
- mutex_unlock(&pmac_backlight_mutex);
-#endif
- backlight_device_unregister(bd);
-
- printk("aty128: Backlight unloaded\n");
- }
+ backlight_device_unregister(bd);
+ printk("aty128: Backlight unloaded\n");
}
#endif /* CONFIG_FB_ATY128_BACKLIGHT */