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Diffstat (limited to 'drivers/video/fbmem.c')
-rw-r--r--drivers/video/fbmem.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index c6ce416ab58..0dff12a1dae 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1046,20 +1046,29 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
int
fb_blank(struct fb_info *info, int blank)
{
- int ret = -EINVAL;
+ struct fb_event event;
+ int ret = -EINVAL, early_ret;
if (blank > FB_BLANK_POWERDOWN)
blank = FB_BLANK_POWERDOWN;
+ event.info = info;
+ event.data = ␣
+
+ early_ret = fb_notifier_call_chain(FB_EARLY_EVENT_BLANK, &event);
+
if (info->fbops->fb_blank)
ret = info->fbops->fb_blank(blank, info);
- if (!ret) {
- struct fb_event event;
-
- event.info = info;
- event.data = ␣
+ if (!ret)
fb_notifier_call_chain(FB_EVENT_BLANK, &event);
+ else {
+ /*
+ * if fb_blank is failed then revert effects of
+ * the early blank event.
+ */
+ if (!early_ret)
+ fb_notifier_call_chain(FB_R_EARLY_EVENT_BLANK, &event);
}
return ret;