From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chaithrika U S Subject: [PATCH 4/4] davinci: fb: Add framebuffer blank operation Date: Fri, 27 Nov 2009 12:13:47 +0530 Message-ID: <1259304227-19412-1-git-send-email-chaithrika@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: davinci-linux-open-source-bounces-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org Errors-To: davinci-linux-open-source-bounces-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org To: linux-fbdev-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Cc: akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, krzysztof.h1-IjDXvh/HVVUAvxtiuMwx3w@public.gmane.org, davinci-linux-open-source-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org Implement frame buffer blank operation feature for DA8xx/OMAP-L1xx driver. Signed-off-by: Chaithrika U S --- 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 fcaa344..a2fcd92 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) -- 1.5.6