linux-kernel - Re: [PATCH 11/11] HID: asus: add RGB support to the ROG Ally units

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Message-ID: <d2746ddf-92d5-4ac8-b361-60d1ec9aabb5@ljones.dev>
Date: Sat, 22 Mar 2025 15:30:28 +1300
From: "Luke D. Jones" <luke@...nes.dev>
To: Antheas Kapenekakis <lkml@...heas.dev>,
 platform-driver-x86@...r.kernel.org, linux-input@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Jiri Kosina <jikos@...nel.org>,
 Benjamin Tissoires <bentiss@...nel.org>,
 Corentin Chary <corentin.chary@...il.com>,
 Hans de Goede <hdegoede@...hat.com>,
 Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: Re: [PATCH 11/11] HID: asus: add RGB support to the ROG Ally units

On 21/03/25 11:09, Antheas Kapenekakis wrote:
> Apply the RGB quirk to the QOG Ally units to enable basic RGB support.
> 
> Signed-off-by: Antheas Kapenekakis <lkml@...heas.dev>
> ---
>   drivers/hid/hid-asus.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
> index 5e87923b35520..589b32b508bbf 100644
> --- a/drivers/hid/hid-asus.c
> +++ b/drivers/hid/hid-asus.c
> @@ -1449,10 +1449,10 @@ static const struct hid_device_id asus_devices[] = {
>   	  QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD | QUIRK_ROG_NKEY_RGB },
>   	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
>   	    USB_DEVICE_ID_ASUSTEK_ROG_NKEY_ALLY),
> -	  QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
> +	  QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD | QUIRK_ROG_NKEY_RGB },
>   	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
>   	    USB_DEVICE_ID_ASUSTEK_ROG_NKEY_ALLY_X),
> -	  QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
> +	  QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD | QUIRK_ROG_NKEY_RGB },
>   	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
>   	    USB_DEVICE_ID_ASUSTEK_ROG_CLAYMORE_II_KEYBOARD),
>   	  QUIRK_ROG_CLAYMORE_II_KEYBOARD },

I need to NACK this one sorry, if only because I added the RGB control 
in hid-asus-ally as a per-LED control and it works very well. You'll see 
it once I submit that series upstream again.

The distinction between MCU mode and Software mode for RGB is frankly a 
pain in the arse. For Ally we will want software mode (per-led) as that 
allows just one USB write for all LEDs, and no need to do a set/apply to 
make the LEDs change. The benefit being that the LEDs can change rapidly 
and there will be no "blink".

I'll write more on patch 10

Cheers,
Luke.