linux-kernel - Re: [PATCH v4 2/2] backlight: rt4831: Apply ocp level from devicetree

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Date:   Mon, 27 Jun 2022 15:08:10 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     cy_huang <u0084500@...il.com>
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        daniel.thompson@...aro.org, jingoohan1@...il.com, pavel@....cz,
        deller@....de, cy_huang@...htek.com, lucas_tsai@...htek.com,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-fbdev@...r.kernel.org, linux-leds@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/2] backlight: rt4831: Apply ocp level from devicetree

On Tue, 21 Jun 2022, cy_huang wrote:

> From: ChiYuan Huang <cy_huang@...htek.com>
> 
> Add 'richtek,bled-ocp-microamp' property parsing in
> device_property_init function.
> 
> This value may configure prior to the kernel driver. If it's not specified in
> devicetree, keep the original setting. Else, use clamp to align the
> value in min/max range and also roundup to choose the best selector.
> 
> Reported-by: Lucas Tsai <lucas_tsai@...htek.com>
> Signed-off-by: ChiYuan Huang <cy_huang@...htek.com>
> Reviewed-by: Daniel Thompson <daniel.thompson@...aro.org>
> ---
> Hi, Daniel:
> 
> I may use the wrong macro, must be 'DIV_ROUND_UP', not 'roundup'.
> the v4 is to fix it.
> 
> Since v4
> - Fix wrong macro usage, must be 'DIV_ROUND_UP', not 'roundup'
> 
> Since v2:
> - Prase the 'richtek,bled-ocp-microamp', clamp the value in min/max range, and
>   roundup to get the best selector.
> 
> ---
>  drivers/video/backlight/rt4831-backlight.c | 33 +++++++++++++++++++++++++++++-
>  1 file changed, 32 insertions(+), 1 deletion(-)

Applied, thanks.

-- 
Lee Jones [李琼斯]
Principal Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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