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backlight/fbcon: Add FB_EVENT_CONBLANK

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The backlight class wants notification whenever the console is blanked
but doesn't get this when hardware blanking fails and software blanking
is used. Changing FB_EVENT_BLANK to report both would be a behaviour
change which could confuse the console layer so add a new event for
software blanking and have the backlight class listen for both.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
This commit is contained in:
Richard Purdie
2007-02-09 09:46:45 +00:00
parent 34f18a71d9
commit 994efacdf9
3 changed files with 11 additions and 2 deletions
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7
drivers/video/console/fbcon.c
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@@ -2233,6 +2233,8 @@ static int fbcon_switch(struct vc_data *vc)
static void fbcon_generic_blank(struct vc_data *vc, struct fb_info *info,
int blank)
{
struct fb_event event;
if (blank) {
unsigned short charmask = vc->vc_hi_font_mask ?
0x1ff : 0xff;
@@ -2243,6 +2245,11 @@ static void fbcon_generic_blank(struct vc_data *vc, struct fb_info *info,
fbcon_clear(vc, 0, 0, vc->vc_rows, vc->vc_cols);
vc->vc_video_erase_char = oldc;
}
event.info = info;
event.data = &blank;
fb_notifier_call_chain(FB_EVENT_CONBLANK, &event);
}
static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch)