From: Lee Jones <lee.jones@linaro.org>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Jingoo Han <jingoohan1@gmail.com>,
Daniel Thompson <daniel.thompson@linaro.org>,
dri-devel@lists.freedesktop.org
Subject: Re: [PATCH] backlight: ktd253: Bring up in a known state
Date: Tue, 9 Feb 2021 14:10:19 +0000 [thread overview]
Message-ID: <20210209141019.GC4766@dell> (raw)
In-Reply-To: <20210126213200.14366-1-linus.walleij@linaro.org>
On Tue, 26 Jan 2021, Linus Walleij wrote:
> The KTD253 backlight might already be on when the driver
> is probed: then we don't really know what the current
> ratio is and all light intensity settings will be off
> relative to what it was at boot.
>
> To fix this, bring up the backlight OFF then move it to
> the default backlight from there so we know the state.
>
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
> ---
> drivers/video/backlight/ktd253-backlight.c | 12 +++---------
> 1 file changed, 3 insertions(+), 9 deletions(-)
Grudgingly applied, thanks.
--
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog
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prev parent reply other threads:[~2021-02-09 14:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-26 21:32 [PATCH] backlight: ktd253: Bring up in a known state Linus Walleij
2021-02-05 17:27 ` Daniel Thompson
2021-02-09 10:10 ` Linus Walleij
2021-02-09 14:10 ` Lee Jones [this message]
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