Re: [PATCH v5 11/13] leds: mt6370: Add MediaTek MT6370 current sink type LED Indicator support

From: Pavel Machek <pavel@ucw.cz>
To: ChiaEn Wu <peterwu.pub@gmail.com>
Cc: lee.jones@linaro.org, daniel.thompson@linaro.org,
	jingoohan1@gmail.com, robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com,
	sre@kernel.org, chunfeng.yun@mediatek.com,
	gregkh@linuxfoundation.org, jic23@kernel.org, lars@metafoo.de,
	lgirdwood@gmail.com, broonie@kernel.org, linux@roeck-us.net,
	heikki.krogerus@linux.intel.com, deller@gmx.de,
	chiaen_wu@richtek.com, alice_chen@richtek.com,
	cy_huang@richtek.com, dri-devel@lists.freedesktop.org,
	linux-leds@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
	linux-pm@vger.kernel.org, linux-usb@vger.kernel.org,
	linux-iio@vger.kernel.org, linux-fbdev@vger.kernel.org,
	szunichen@gmail.com
Subject: Re: [PATCH v5 11/13] leds: mt6370: Add MediaTek MT6370 current sink type LED Indicator support
Date: Sun, 17 Jul 2022 10:46:43 +0200	[thread overview]
Message-ID: <20220717084643.GA14285@duo.ucw.cz> (raw)
In-Reply-To: <20220715112607.591-12-peterwu.pub@gmail.com>

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Hi!

> The MediaTek MT6370 is a highly-integrated smart power management IC,
> which includes a single cell Li-Ion/Li-Polymer switching battery
> charger, a USB Type-C & Power Delivery (PD) controller, dual
> Flash LED current sources, a RGB LED driver, a backlight WLED driver,
> a display bias driver and a general LDO for portable devices.
> 
> In MediaTek MT6370, there are four channel current-sink RGB LEDs that
> support hardware pattern for constant current, PWM, and breath mode.
> Isink4 channel can also be used as a CHG_VIN power good indicator.
> 
> Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>

> index a49979f..71bacb5 100644
> --- a/drivers/leds/Kconfig
> +++ b/drivers/leds/Kconfig
> @@ -244,6 +244,20 @@ config LEDS_MT6323
>  	  This option enables support for on-chip LED drivers found on
>  	  Mediatek MT6323 PMIC.
>  
> +config LEDS_MT6370_RGB
> +	tristate "LED Support for MediaTek MT6370 PMIC"
> +	depends on LEDS_CLASS
> +	depends on MFD_MT6370
> +	select LINEAR_RANGE
> +	help
> +	  Say Y here to enable support for MT6370_RGB LED device.
> +	  In MT6370, there are four channel current-sink LED drivers that
> +	  support hardware pattern for constant current, PWM, and breath mode.
> +	  Isink4 channel can also be used as a CHG_VIN power good

Should this go to leds/rgb directory, and should it depend on
multicolor framework?

Best regards,
							Pavel
-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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