diff options
Diffstat (limited to 'drivers/video/backlight/lcd.c')
| -rw-r--r-- | drivers/video/backlight/lcd.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c index b15b2b84a6f..680e57b616c 100644 --- a/drivers/video/backlight/lcd.c +++ b/drivers/video/backlight/lcd.c @@ -27,14 +27,29 @@ static int fb_notifier_callback(struct notifier_block *self, struct fb_event *evdata = data; /* If we aren't interested in this event, skip it immediately ... */ - if (event != FB_EVENT_BLANK) + switch (event) { + case FB_EVENT_BLANK: + case FB_EVENT_MODE_CHANGE: + case FB_EVENT_MODE_CHANGE_ALL: + break; + default: return 0; + } ld = container_of(self, struct lcd_device, fb_notif); + if (!ld->ops) + return 0; + mutex_lock(&ld->ops_lock); - if (ld->ops) - if (!ld->ops->check_fb || ld->ops->check_fb(ld, evdata->info)) - ld->ops->set_power(ld, *(int *)evdata->data); + if (!ld->ops->check_fb || ld->ops->check_fb(ld, evdata->info)) { + if (event == FB_EVENT_BLANK) { + if (ld->ops->set_power) + ld->ops->set_power(ld, *(int *)evdata->data); + } else { + if (ld->ops->set_mode) + ld->ops->set_mode(ld, evdata->data); + } + } mutex_unlock(&ld->ops_lock); return 0; } |