linux-kernel - Re: [PATCH v6 11/13] leds: rgb: mt6370: Add MediaTek MT6370 current sink type LED Indicator support

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Date:   Fri, 22 Jul 2022 12:52:09 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     ChiaEn Wu <peterwu.pub@...il.com>, lee.jones@...aro.org,
        daniel.thompson@...aro.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,
        lgirdwood@...il.com, broonie@...nel.org, linux@...ck-us.net,
        heikki.krogerus@...ux.intel.com, deller@....de,
        andy.shevchenko@...il.com
Cc:     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: [PATCH v6 11/13] leds: rgb: mt6370: Add MediaTek MT6370 current
 sink type LED Indicator support

Il 22/07/22 12:24, ChiaEn Wu ha scritto:
> From: ChiYuan Huang <cy_huang@...htek.com>
> 
> 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: Alice Chen <alice_chen@...htek.com>
> Signed-off-by: ChiYuan Huang <cy_huang@...htek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>

> ---
> 
> v6
> - Remove the 'ko' from mt6370 led Kconfig description.
> - Add both authors for Alice and ChiYuan.
> - Use pdata to distinguish the code from mt6370/71 to mt6372.
> - Instead of 'state' define, use the 'state' enum.
> - Fix the typo for 'MT6372_PMW_DUTY'.
> - For pwm_duty define, replace with bit macro - 1.
> - Refine all the labels from 'out' to 'out_unlock'.
> - Use struct 'dev' variable and 'dev_err_probe' to optimize the LOC.
> - Revise for the array initialization from {0} to {}.
> - Move into rgb folder and rename file name to 'leds-mt6370-rgb'.
> - Refine the 'comma' usage in struct/enum.
> ---
>   drivers/leds/rgb/Kconfig           |   13 +
>   drivers/leds/rgb/Makefile          |    1 +
>   drivers/leds/rgb/leds-mt6370-rgb.c | 1004 ++++++++++++++++++++++++++++++++++++
>   3 files changed, 1018 insertions(+)
>   create mode 100644 drivers/leds/rgb/leds-mt6370-rgb.c
>