linux-kernel - Re: [PATCH v3 1/6] asus-wmi: Implement TUF laptop keyboard RGB control

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Message-ID: <CAHp75VfZeuuQjfM+CY4nxrFJQcfpdHVVzyj6GLjeweT3ycSn5A@mail.gmail.com>
Date:   Tue, 9 Aug 2022 10:46:33 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     "Luke D. Jones" <luke@...nes.dev>
Cc:     Hans de Goede <hdegoede@...hat.com>,
        Barnabás Pőcze <pobrn@...tonmail.com>,
        Pavel Machek <pavel@....cz>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/6] asus-wmi: Implement TUF laptop keyboard RGB control

On Tue, Aug 9, 2022 at 4:51 AM Luke D. Jones <luke@...nes.dev> wrote:
>
> Adds support for TUF laptop RGB control via the multicolor LED API.
>
> As this is the bas for adjusting only the RGB values, it sets the
> default mode of the keyboard to static since there is no way to read
> any existing settings from the device. These defaults overwrite the
> booted state of the keyboard when the module is loaded.

...

> +       err = asus_wmi_evaluate_method3(ASUS_WMI_METHODID_DEVS, ASUS_WMI_DEVID_TUF_RGB_MODE,
> +                               rgb->save | (rgb->mode << 8) | (r << 16) | (g << 24),
> +                               (b) | (rgb->speed << 8),

Too many parentheses.

> +                               &ret);
> +       if (err)
> +               dev_err(dev, "Unable to set TUF RGB data?\n");
> +
> +       return err;

How ret is being used?

-- 
With Best Regards,
Andy Shevchenko