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From: Lee Jones <lee.jones@linaro.org>
To: Kiran Gunda <kgunda@codeaurora.org>
Cc: bjorn.andersson@linaro.org, jingoohan1@gmail.com,
	b.zolnierkie@samsung.com, dri-devel@lists.freedesktop.org,
	daniel.thompson@linaro.org, jacek.anaszewski@gmail.com,
	pavel@ucw.cz, robh+dt@kernel.org, mark.rutland@arm.com,
	linux-leds@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org,
	Andy Gross <agross@kernel.org>,
	linux-arm-msm@vger.kernel.org, linux-fbdev@vger.kernel.org
Subject: Re: [PATCH V5 1/2] backlight: qcom-wled: Fix FSC update issue for WLED5
Date: Mon, 22 Mar 2021 17:34:13 +0000
Message-ID: <20210322173413.GC2916463@dell> (raw)
In-Reply-To: <1616071180-24493-2-git-send-email-kgunda@codeaurora.org>

On Thu, 18 Mar 2021, Kiran Gunda wrote:

> Currently, for WLED5, the FSC (Full scale current) setting is not
> updated properly due to driver toggling the wrong register after
> an FSC update.
> 
> On WLED5 we should only toggle the MOD_SYNC bit after a brightness
> update. For an FSC update we need to toggle the SYNC bits instead.
> 
> Fix it by adopting the common wled3_sync_toggle() for WLED5 and
> introducing new code to the brightness update path to compensate.
> 
> Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>
> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
> ---
>  drivers/video/backlight/qcom-wled.c | 25 +++++++++++++++++++------
>  1 file changed, 19 insertions(+), 6 deletions(-)

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

  reply index

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-18 12:39 [PATCH V5 0/2] Fix WLED FSC Sync and brightness Sync settings Kiran Gunda
2021-03-18 12:39 ` [PATCH V5 1/2] backlight: qcom-wled: Fix FSC update issue for WLED5 Kiran Gunda
2021-03-22 17:34   ` Lee Jones [this message]
2021-03-18 12:39 ` [PATCH V5 2/2] backlight: qcom-wled: Correct the sync_toggle sequence Kiran Gunda
2021-03-23  9:40   ` Lee Jones

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