| From e2d64963daac294aedfa4d8a08ad5761e5fbf846 Mon Sep 17 00:00:00 2001 |
| From: Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
| Date: Wed, 31 Aug 2011 13:00:54 +0200 |
| Subject: fbdev: sh_mobile_lcdc: Add support for format changes at runtime |
| |
| 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> |
| (cherry picked from commit ed5bebf29e82beab3456901e26a495ae0a49ebad) |
| |
| Signed-off-by: Simon Horman <horms@verge.net.au> |
| --- |
| drivers/video/sh_mobile_lcdcfb.c | 14 ++++++++++++++ |
| 1 file changed, 14 insertions(+) |
| |
| diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c |
| index 33b0ff8..f9f420d 100644 |
| --- a/drivers/video/sh_mobile_lcdcfb.c |
| +++ b/drivers/video/sh_mobile_lcdcfb.c |
| @@ -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) |
| -- |
| 1.7.10 |
| |
