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davinci: fb: add framebuffer blank operation

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Implement frame buffer blank operation feature for DA8xx/OMAP-L1xx driver.

Signed-off-by: Chaithrika U S <[email protected]>
Cc: Kevin Hilman <[email protected]>
Cc: Krzysztof Helt <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Chaithrika U S 2009-12-15 16:46:39 -08:00 • committed by Linus Torvalds
commit 312d97152f
1 changed files with 30 additions and 0 deletions
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30
drivers/video/da8xx-fb.c
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@ -702,6 +702,35 @@ static int fb_ioctl(struct fb_info *info, unsigned int cmd,
return 0;
}
static int cfb_blank(int blank, struct fb_info *info)
{
struct da8xx_fb_par *par = info->par;
int ret = 0;
if (par->blank == blank)
return 0;
par->blank = blank;
switch (blank) {
case FB_BLANK_UNBLANK:
if (par->panel_power_ctrl)
par->panel_power_ctrl(1);
lcd_enable_raster();
break;
case FB_BLANK_POWERDOWN:
if (par->panel_power_ctrl)
par->panel_power_ctrl(0);
lcd_disable_raster();
break;
default:
ret = -EINVAL;
}
return ret;
}
static struct fb_ops da8xx_fb_ops = {
.owner = THIS_MODULE,
.fb_check_var = fb_check_var,
@ -710,6 +739,7 @@ static struct fb_ops da8xx_fb_ops = {
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
.fb_blank = cfb_blank,
};
static int __init fb_probe(struct platform_device *device)