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Message-ID: <CAHp75VfiYNzmcPN8LNqvU0jKuWVFR3ODY3iWaJwpDxUdSORTOg@mail.gmail.com>
Date: Fri, 5 Aug 2022 15:06:19 +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>,
ChiaEn Wu <chiaen_wu@...htek.com>,
Alice Chen <alice_chen@...htek.com>,
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szuni chen <szunichen@...il.com>
Subject: Re: [PATCH v7 13/13] video: backlight: mt6370: Add MediaTek MT6370 support
On Fri, Aug 5, 2022 at 9:08 AM ChiaEn Wu <peterwu.pub@...il.com> wrote:
>
> 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 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
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