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fbdev: sh_mobile_lcdc: Add support for format changes at runtime

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Implement .fb_set_par to support frame buffer format changes at runtime.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Laurent Pinchart 2011-08-31 13:00:54 +02:00 committed by Florian Tobias Schandinat
parent 0386219441
commit ed5bebf29e
1 changed files with 14 additions and 0 deletions
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14
drivers/video/sh_mobile_lcdcfb.c
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@ -1154,6 +1154,19 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in
return 0;
}
static int sh_mobile_set_par(struct fb_info *info)
{
struct sh_mobile_lcdc_chan *ch = info->par;
int ret;
sh_mobile_lcdc_stop(ch->lcdc);
ret = sh_mobile_lcdc_start(ch->lcdc);
if (ret < 0)
dev_err(info->dev, "%s: unable to restart LCDC\n", __func__);
return ret;
}
/*
* Screen blanking. Behavior is as follows:
* FB_BLANK_UNBLANK: screen unblanked, clocks enabled
@ -1211,6 +1224,7 @@ static struct fb_ops sh_mobile_lcdc_ops = {
.fb_open = sh_mobile_open,
.fb_release = sh_mobile_release,
.fb_check_var = sh_mobile_check_var,
.fb_set_par = sh_mobile_set_par,
};
static int sh_mobile_lcdc_update_bl(struct backlight_device *bdev)