linux-kernel - Re: [PATCH v2 1/3] drm/panel: Use backlight helper

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Message-ID: <YrYTPbn32QM5wLa1@ravnborg.org>
Date:   Fri, 24 Jun 2022 21:40:45 +0200
From:   Sam Ravnborg <sam@...nborg.org>
To:     Stephen Kitt <steve@....org>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        David Airlie <airlied@...ux.ie>,
        Sebastian Reichel <sebastian.reichel@...labora.com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] drm/panel: Use backlight helper

On Thu, Jun 16, 2022 at 07:23:13PM +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@....org>
> Cc: Thierry Reding <thierry.reding@...il.com>
> Cc: Sam Ravnborg <sam@...nborg.org>
> Cc: David Airlie <airlied@...ux.ie>
> Cc: Daniel Vetter <daniel@...ll.ch>
> Cc: dri-devel@...ts.freedesktop.org
Thanks, applied to drm-misc (drm-misc-next)

	Sam