linux-kernel - Re: [PATCH v7 10/13] power: supply: mt6370: Add MediaTek MT6370 charger driver

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Date:   Mon, 15 Aug 2022 08:36:39 +0300
From:   Matti Vaittinen <mazziesaccount@...il.com>
To:     ChiaEn Wu <peterwu.pub@...il.com>
Cc:     Lee Jones <lee.jones@...aro.org>, daniel.thompson@...aro.org,
        jingoohan1@...il.com, Pavel Machek <pavel@....cz>,
        Rob Herring <robh+dt@...nel.org>,
        krzysztof.kozlowski+dt@...aro.org,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sebastian Reichel <sre@...nel.org>, chunfeng.yun@...iatek.com,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        deller@....de, Andy Shevchenko <andy.shevchenko@...il.com>,
        chiaen_wu@...htek.com, alice_chen@...htek.com,
        ChiYuan Huang <cy_huang@...htek.com>,
        dri-devel@...ts.freedesktop.org, linux-leds@...r.kernel.org,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux PM list <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 v7 10/13] power: supply: mt6370: Add MediaTek MT6370
 charger driver

Hi ChiaEn,

pe 5. elok. 2022 klo 10.09 ChiaEn Wu (peterwu.pub@...il.com) kirjoitti:
>
> 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 a support for the MediaTek MT6370 Charger driver. The charger module
> of MT6370 supports High-Accuracy Voltage/Current Regulation,
> Average Input Current Regulation, Battery Temperature Sensing,
> Over-Temperature Protection, DPDM Detection for BC1.2.
>
> Signed-off-by: ChiaEn Wu <chiaen_wu@...htek.com>
> ---
>
> +
> +#define MT6370_CHG_LINEAR_RANGE(_rfd, _min, _min_sel, _max_sel, _step) \
> +[_rfd] = {                                                             \
> +       .min = _min,                                                    \
> +       .min_sel = _min_sel,                                            \
> +       .max_sel = _max_sel,                                            \
> +       .step = _step,                                                  \
> +}

Just a minor thing but I think this macro could be useful also for
other drivers. Do you think you could rename it to LINEAR_RANGE_IDX()
(or some such) and move it to the linear_range.h? That would allow
also other drivers to use it instead of reinventing the wheel :)

Best Regards
  -- Matti Vaittinen



---

Matti Vaittinen
Linux kernel developer at ROHM Semiconductors
Oulu Finland

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