[PATCH 2/7] fbdev: sh_mobile_lcdc: Add support for format changes at runtime
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: 2011-08-19 09:16:07
Also in:
linux-sh
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
Implement .fb_set_par to support frame buffer format changes at runtime. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> --- 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 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)
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1.7.3.4