Re: [PATCH v7 13/13] video: backlight: mt6370: Add MediaTek MT6370 support

[Andy Shevchenko <andy.shevchenko@gmail.com>]

On Fri, Aug 5, 2022 at 9:08 AM ChiaEn Wu <peterwu.pub@gmail.com> wrote:
>
> From: ChiaEn Wu <chiaen_wu@richtek.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 backlight driver.
> It controls 4 channels of 8 series WLEDs in
> 2048 (only for MT6370/MT6371) / 16384 (only for MT6372)
> current steps (30 mA) in exponential or linear mapping curves.

...

> +#include <linux/backlight.h>
> +#include <linux/bitfield.h>
> +#include <linux/bits.h>
> +#include <linux/gpio/consumer.h>
> +#include <linux/kernel.h>
> +#include <linux/minmax.h>
> +#include <linux/mod_devicetable.h>
> +#include <linux/module.h>

> +#include <linux/of_device.h>

Why? Since below drop this and use fully fwnode / device property APIs.

> +#include <linux/platform_device.h>

Missed property.h which is heavily used in.the driver

> +#include <linux/regmap.h>

...

> +       /*
> +        * MT6372 uses 14 bits to control the brightness but MT6370 and MT6371
> +        * use 11 bits. They are different so we have to use this function to
> +        * check the vendor ID and use different mask, shift and default
> +        * maxiimum brightness value.

Use spell-checker for all your patches.

> +        */

-- 
With Best Regards,
Andy Shevchenko