[PATCH] drm/bridge: parade-ps8622: Use backlight helper

[Sam Ravnborg]

On Tue, Jun 07, 2022 at 08:10:22PM +0200, Stephen Kitt wrote:
> backlight_properties.fb_blank is deprecated. The states it represents
> are handled by other properties; but instead of accessing those
> properties directly, drivers should use the helpers provided by
> backlight.h.
> 
> Instead of retrieving the backlight brightness in struct
> backlight_properties manually, and then checking whether the backlight
> should be on at all, use backlight_get_brightness() which does all
> this and insulates this from future changes.
> 
> Signed-off-by: Stephen Kitt <steve at sk2.org>
> Cc: Andrzej Hajda <andrzej.hajda at intel.com>
> Cc: Neil Armstrong <narmstrong at baylibre.com>
> Cc: Robert Foss <robert.foss at linaro.org>
> Cc: Laurent Pinchart <Laurent.pinchart at ideasonboard.com>
> Cc: Jonas Karlman <jonas at kwiboo.se>
> Cc: Jernej Skrabec <jernej.skrabec at gmail.com>
> Cc: David Airlie <airlied at linux.ie>
> Cc: Daniel Vetter <daniel at ffwll.ch>
> Cc: dri-devel at lists.freedesktop.org
Thanks, applied to drm-misc (drm-misc-next).
I kept the full changelog.

	Sam