From f7c848b6ef31af09925bb6f4c79e236ca9f94ed9 Mon Sep 17 00:00:00 2001 From: "Manjunathappa, Prakash" Date: Tue, 24 Jul 2012 09:45:25 +0530 Subject: [PATCH] da8xx-fb: do not turn ON LCD backlight unless LCDC is enabled LCD blink is observed during suspend/resume and blank/unblank operations as backlight is ON during LCDC disable and enable. So make sure to turn OFF backlight before disabling and turn it ON after enabling. Signed-off-by: Manjunathappa, Prakash Signed-off-by: Florian Tobias Schandinat --- drivers/video/da8xx-fb.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c index e81a458..ca9943a 100644 --- a/drivers/video/da8xx-fb.c +++ b/drivers/video/da8xx-fb.c @@ -1038,10 +1038,10 @@ static int cfb_blank(int blank, struct fb_info *info) par->blank = blank; switch (blank) { case FB_BLANK_UNBLANK: + lcd_enable_raster(); + if (par->panel_power_ctrl) par->panel_power_ctrl(1); - - lcd_enable_raster(); break; case FB_BLANK_NORMAL: case FB_BLANK_VSYNC_SUSPEND: @@ -1422,11 +1422,12 @@ static int fb_resume(struct platform_device *dev) struct da8xx_fb_par *par = info->par; console_lock(); + clk_enable(par->lcdc_clk); + lcd_enable_raster(); + if (par->panel_power_ctrl) par->panel_power_ctrl(1); - clk_enable(par->lcdc_clk); - lcd_enable_raster(); fb_set_suspend(info, 0); console_unlock(); -- 2.7.4