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

From: Pavel Machek
Date: Tue Aug 09 2022 - 06:50:55 EST


Hi!

> 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.

> + if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE)) {
> + struct mc_subled *mc_led_info = asus->keyboard_rgb_mode.subled_info;
> + struct led_classdev_mc *mc_cdev = &asus->keyboard_rgb_mode.dev;
> + struct device *dev = &asus->platform_device->dev;
> + u8 led_brightness = 255;
> +
> + /*
> + * asus::kbd_backlight still controls a base 3-level backlight and when
> + * it is on 0, the RGB is not visible at all. RGB should be treated as
> + * an additional step.
> + */

Ouch. Lets not do that? If rgb interface is available, hide the 3
level one, or something.

> + mc_cdev->led_cdev.name = "asus::multicolour::kbd_backlight";

Make this "rgb:kbd_backlight" or "inputX:rgb:kbd_backligh" and
document it in Documentation/leds/well-known-leds.txt.

Thanks and best regards,
Pavel
--
People of Russia, stop Putin before his war on Ukraine escalates.

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