linux-kernel - Re: [RESEND PATCH v8 12/12] video: backlight: mt6370: Add MediaTek MT6370 support

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Date:   Mon, 15 Aug 2022 11:08:57 +0100
From:   Daniel Thompson <daniel.thompson@...aro.org>
To:     ChiaEn Wu <peterwu.pub@...il.com>
Cc:     lee@...nel.org, jingoohan1@...il.com, pavel@....cz,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        matthias.bgg@...il.com, sre@...nel.org, chunfeng.yun@...iatek.com,
        gregkh@...uxfoundation.org, jic23@...nel.org, lars@...afoo.de,
        linux@...ck-us.net, heikki.krogerus@...ux.intel.com, deller@....de,
        broonie@...nel.org, mazziesaccount@...il.com, lgirdwood@...il.com,
        andriy.shevchenko@...ux.intel.com, chiaen_wu@...htek.com,
        alice_chen@...htek.com, cy_huang@...htek.com,
        dri-devel@...ts.freedesktop.org, linux-leds@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-iio@...r.kernel.org, linux-fbdev@...r.kernel.org,
        szunichen@...il.com
Subject: Re: [RESEND PATCH v8 12/12] video: backlight: mt6370: Add MediaTek
 MT6370 support

On Mon, Aug 15, 2022 at 05:01:25PM +0800, ChiaEn Wu wrote:
> From: ChiaEn Wu <chiaen_wu@...htek.com>
>
> MediaTek MT6370 is a SubPMIC consisting of a single cell battery charger
> with ADC monitoring, RGB LEDs, dual channel flashlight, WLED backlight
> driver, display bias voltage supply, one general purpose LDO, and the
> USB Type-C & PD controller complies with the latest USB Type-C and PD
> standards.
>
> Add support for the MediaTek MT6370 backlight driver.
> It controls 4 channels of 8 series WLEDs in
> 2048 (only for MT6370/MT6371) / 16384 (only for MT6372)
> current steps (30 mA) in exponential or linear mapping curves.
>
> Signed-off-by: ChiaEn Wu <chiaen_wu@...htek.com>

Reviewed-by: Daniel Thompson <daniel.thompson@...aro.org>


Daniel.