Re: [PATCH v5 7/9] drm/i915: Restore brightness level in aux backlight driver

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On Wed, 2017-05-03 at 17:28 -0700, Puthikorn Voravootivat wrote:
> Some panel will default to zero brightness when turning the
> panel off and on again. This patch restores last brightness
> level back when panel is turning back on.
> 
> Signed-off-by: Puthikorn Voravootivat <puthik@xxxxxxxxxxxx>

Looks correct and all other _enable_backlight() functions are doing it
too. 
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/intel_dp_aux_backlight.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
> index 7d323af96636..fc26fea94fd4 100644
> --- a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
> +++ b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
> @@ -158,6 +158,7 @@ static void intel_dp_aux_enable_backlight(struct intel_connector *connector)
>  	}
>  
>  	set_aux_backlight_enable(intel_dp, true);
> +	intel_dp_aux_set_backlight(connector, connector->panel.backlight.level);
>  }
>  
>  static void intel_dp_aux_disable_backlight(struct intel_connector *connector)

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