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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2011-08-31 13:00:54 +0200 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2011-09-05 18:37:14 +0200 |
| commit | ed5bebf29e82beab3456901e26a495ae0a49ebad (patch) | |
| tree | b8d11b2cc49320fa5e44ae0f3278fb048bddc86a /drivers/video/sh_mobile_lcdcfb.c | |
| parent | fbdev: sh_mobile_lcdc: Adjust requested parameters in .fb_check_var (diff) | |
| download | linux-ed5bebf29e82beab3456901e26a495ae0a49ebad.tar.xz linux-ed5bebf29e82beab3456901e26a495ae0a49ebad.zip | |
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>
Diffstat (limited to 'drivers/video/sh_mobile_lcdcfb.c')
| -rw-r--r-- | drivers/video/sh_mobile_lcdcfb.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index 33b0ff83c154..f9f420d3c403 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) |