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| author | Chaithrika U S <chaithrika@ti.com> | 2009-12-15 16:46:39 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-16 07:20:05 -0800 |
| commit | 312d97152faa30ac4c007937ea09c9c27b10e249 (patch) | |
| tree | 5ccaeb57210673668bff68546c81773d916c8e97 | |
| parent | 1d3c6c7b366bdc3406af96bf55d63b4aa24f400a (diff) | |
| download | kernel_samsung_smdk4412-312d97152faa30ac4c007937ea09c9c27b10e249.zip kernel_samsung_smdk4412-312d97152faa30ac4c007937ea09c9c27b10e249.tar.gz kernel_samsung_smdk4412-312d97152faa30ac4c007937ea09c9c27b10e249.tar.bz2 | |
davinci: fb: add framebuffer blank operation
Implement frame buffer blank operation feature for DA8xx/OMAP-L1xx driver.
Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/video/da8xx-fb.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c index 36574bf..369a5b3 100644 --- a/drivers/video/da8xx-fb.c +++ b/drivers/video/da8xx-fb.c @@ -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) |