From 312d97152faa30ac4c007937ea09c9c27b10e249 Mon Sep 17 00:00:00 2001 From: Chaithrika U S Date: Tue, 15 Dec 2009 16:46:39 -0800 Subject: [PATCH] davinci: fb: add framebuffer blank operation Implement frame buffer blank operation feature for DA8xx/OMAP-L1xx driver. Signed-off-by: Chaithrika U S Cc: Kevin Hilman Cc: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/da8xx-fb.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c index 36574bf61d06..369a5b3ac649 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) -- 2.20.1