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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>
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312d97152f
1 changed files with 30 additions and 0 deletions
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@ -702,6 +702,35 @@ static int fb_ioctl(struct fb_info *info, unsigned int cmd,
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return 0;
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}
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static int cfb_blank(int blank, struct fb_info *info)
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{
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struct da8xx_fb_par *par = info->par;
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int ret = 0;
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if (par->blank == blank)
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return 0;
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par->blank = blank;
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switch (blank) {
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case FB_BLANK_UNBLANK:
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if (par->panel_power_ctrl)
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par->panel_power_ctrl(1);
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lcd_enable_raster();
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break;
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case FB_BLANK_POWERDOWN:
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if (par->panel_power_ctrl)
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par->panel_power_ctrl(0);
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lcd_disable_raster();
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break;
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default:
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ret = -EINVAL;
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}
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return ret;
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}
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static struct fb_ops da8xx_fb_ops = {
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.owner = THIS_MODULE,
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.fb_check_var = fb_check_var,
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@ -710,6 +739,7 @@ static struct fb_ops da8xx_fb_ops = {
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.fb_fillrect = cfb_fillrect,
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.fb_copyarea = cfb_copyarea,
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.fb_imageblit = cfb_imageblit,
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.fb_blank = cfb_blank,
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};
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static int __init fb_probe(struct platform_device *device)
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