diff options
Diffstat (limited to 'drivers/video/backlight/lcd.c')
-rw-r--r-- | drivers/video/backlight/lcd.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c index b15b2b84a6f7..8e1731d3b228 100644 --- a/drivers/video/backlight/lcd.c +++ b/drivers/video/backlight/lcd.c | |||
@@ -27,14 +27,26 @@ static int fb_notifier_callback(struct notifier_block *self, | |||
27 | struct fb_event *evdata = data; | 27 | struct fb_event *evdata = data; |
28 | 28 | ||
29 | /* If we aren't interested in this event, skip it immediately ... */ | 29 | /* If we aren't interested in this event, skip it immediately ... */ |
30 | if (event != FB_EVENT_BLANK) | 30 | switch (event) { |
31 | case FB_EVENT_BLANK: | ||
32 | case FB_EVENT_MODE_CHANGE: | ||
33 | case FB_EVENT_MODE_CHANGE_ALL: | ||
34 | break; | ||
35 | default: | ||
31 | return 0; | 36 | return 0; |
37 | } | ||
32 | 38 | ||
33 | ld = container_of(self, struct lcd_device, fb_notif); | 39 | ld = container_of(self, struct lcd_device, fb_notif); |
40 | if (!ld->ops) | ||
41 | return 0; | ||
42 | |||
34 | mutex_lock(&ld->ops_lock); | 43 | mutex_lock(&ld->ops_lock); |
35 | if (ld->ops) | 44 | if (!ld->ops->check_fb || ld->ops->check_fb(ld, evdata->info)) { |
36 | if (!ld->ops->check_fb || ld->ops->check_fb(ld, evdata->info)) | 45 | if (event == FB_EVENT_BLANK) |
37 | ld->ops->set_power(ld, *(int *)evdata->data); | 46 | ld->ops->set_power(ld, *(int *)evdata->data); |
47 | else | ||
48 | ld->ops->set_mode(ld, evdata->data); | ||
49 | } | ||
38 | mutex_unlock(&ld->ops_lock); | 50 | mutex_unlock(&ld->ops_lock); |
39 | return 0; | 51 | return 0; |
40 | } | 52 | } |