On 07/24/2012 04:15 AM, Manjunathappa, Prakash wrote:
> 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 <prakash.pm@xxxxxx>
Applied.
Thanks,
Florian Tobias Schandinat
> ---
> drivers/video/da8xx-fb.c | 9 +++++----
> 1 files changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
> index 0fb4d7d..1a569ae 100644
> --- a/drivers/video/da8xx-fb.c
> +++ b/drivers/video/da8xx-fb.c
> @@ -1056,10 +1056,10 @@ 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_POWERDOWN:
> if (par->panel_power_ctrl)
> @@ -1417,11 +1417,12 @@ 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();
>
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