linux-kernel - Re: [PATCH 06/14] leds: mt6370: Add Mediatek MT6370 Indicator support

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Date:   Wed, 1 Jun 2022 11:48:58 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     ChiaEn Wu <peterwu.pub@...il.com>
Cc:     Lee Jones <lee.jones@...aro.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Jingoo Han <jingoohan1@...il.com>, Pavel Machek <pavel@....cz>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sebastian Reichel <sre@...nel.org>,
        Chunfeng Yun <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>,
        "Krogerus, Heikki" <heikki.krogerus@...ux.intel.com>,
        Helge Deller <deller@....de>, cy_huang@...htek.com,
        alice_chen@...htek.com, chiaen_wu@...htek.com,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Linux LED Subsystem <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 <linux-pm@...r.kernel.org>,
        USB <linux-usb@...r.kernel.org>,
        linux-iio <linux-iio@...r.kernel.org>,
        "open list:FRAMEBUFFER LAYER" <linux-fbdev@...r.kernel.org>
Subject: Re: [PATCH 06/14] leds: mt6370: Add Mediatek MT6370 Indicator support

On Tue, May 31, 2022 at 1:16 PM ChiaEn Wu <peterwu.pub@...il.com> wrote:
>
> From: Alice Chen <alice_chen@...htek.com>

All below comments are applicable to the rest of the series as well
(one way or another), so please fix all your patches where it's
appropriate.

>
> Add Mediatek MT6370 Indicator support

What indicator?
Please also keep attention on English punctuation (missed period).

...

> +       help
> +         Support 4 channels and reg/pwm/breath mode.
> +         Isink4 can also use as a CHG_VIN power good Indicator.

be used

> +         Say Y here to enable support for
> +         MT6370_RGB_LED device.

...

> +#include <linux/module.h>
> +#include <linux/mutex.h>
> +#include <linux/platform_device.h>

> +#include <linux/of.h>

Are you sure this is the correct header? Seems you need
mod_devicetable.h instead.

> +#include <linux/property.h>
> +#include <linux/regmap.h>

...

> +struct mt6370_priv {
> +       struct mutex lock;

Do you use regmap locking?

> +       struct device *dev;

> +       struct regmap *regmap;

> +       struct regmap_field *fields[F_MAX_FIELDS];
> +       const struct reg_field *reg_fields;
> +       const struct linear_range *ranges;
> +       struct reg_cfg *reg_cfgs;
> +       unsigned int leds_count;
> +       unsigned int leds_active;
> +       bool is_mt6372;
> +       struct mt6370_led leds[];
> +};

...

> +static const unsigned int common_tfreqs[] = {
> +       10000, 5000, 2000, 1000, 500, 200, 5, 1

Leave a comma at the end.

> +};
> +
> +static const unsigned int mt6372_tfreqs[] = {
> +       8000, 4000, 2000, 1000, 500, 250, 8, 4

Ditto.

> +};


-- 
With Best Regards,
Andy Shevchenko