linux-kernel - Re: [PATCH v2 15/15] video: backlight: mt6370: Add Mediatek MT6370 support

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Date:   Mon, 13 Jun 2022 13:21:43 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     ChiaEn Wu <peterwu.pub@...il.com>, jic23@...nel.org,
        lars@...afoo.de, matthias.bgg@...il.com, lee.jones@...aro.org,
        daniel.thompson@...aro.org, jingoohan1@...il.com, pavel@....cz,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org
Cc:     linux-iio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-leds@...r.kernel.org,
        devicetree@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-fbdev@...r.kernel.org,
        szunichen@...il.com, ChiaEn Wu <chiaen_wu@...htek.com>
Subject: Re: [PATCH v2 15/15] video: backlight: mt6370: Add Mediatek MT6370
 support



On 6/13/22 04:11, ChiaEn Wu wrote:
> diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
> index a003e02e13ce..ec1589ad88bb 100644
> --- a/drivers/video/backlight/Kconfig
> +++ b/drivers/video/backlight/Kconfig
> @@ -268,6 +268,15 @@ config BACKLIGHT_MAX8925
>  	  If you have a LCD backlight connected to the WLED output of MAX8925
>  	  WLED output, say Y here to enable this driver.
>  
> +config BACKLIGHT_MT6370
> +	tristate "Mediatek MT6370 Backlight Driver"
> +	depends on MFD_MT6370
> +	help
> +	  This enables support for Mediatek MT6370 Backlight driver.
> +	  It's commonly used to drive the display WLED. There're 4 channels

	                                                There are 4 channels

> +	  inisde, and each channel supports up to 30mA of current capability

	  inside,

> +	  with 2048 current steps in exponential or linear mapping curves.

-- 
~Randy