linux-kernel - Re: [PATCH v6 7/7] HID: asus: add support for the asus-wmi brightness handler

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Message-ID: <e6f4a811-6f70-407a-930b-f533fdefc2bf@gmail.com>
Date: Mon, 13 Oct 2025 23:37:09 +0200
From: Denis Benato <benato.denis96@...il.com>
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>, "Luke D . Jones"
 <luke@...nes.dev>, Hans de Goede <hdegoede@...hat.com>,
 Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: Re: [PATCH v6 7/7] HID: asus: add support for the asus-wmi brightness
 handler

On 10/13/25 22:15, Antheas Kapenekakis wrote:
> If the asus-wmi brightness handler is available, send the
> keyboard brightness events to it instead of passing them
> to userspace. If it is not, fall back to sending them to it.
>
> Reviewed-by: Luke D. Jones <luke@...nes.dev>
> Tested-by: Luke D. Jones <luke@...nes.dev>
> Signed-off-by: Antheas Kapenekakis <lkml@...heas.dev>
> ---
>  drivers/hid/hid-asus.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)
>
> diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
> index 0af19c8ef035..1f904bb66396 100644
> --- a/drivers/hid/hid-asus.c
> +++ b/drivers/hid/hid-asus.c
> @@ -324,6 +324,17 @@ static int asus_event(struct hid_device *hdev, struct hid_field *field,
>  			 usage->hid & HID_USAGE);
>  	}
>  
> +	if (usage->type == EV_KEY && value) {
> +		switch (usage->code) {
> +		case KEY_KBDILLUMUP:
> +			return !asus_hid_event(ASUS_EV_BRTUP);
> +		case KEY_KBDILLUMDOWN:
> +			return !asus_hid_event(ASUS_EV_BRTDOWN);
> +		case KEY_KBDILLUMTOGGLE:
> +			return !asus_hid_event(ASUS_EV_BRTTOGGLE);
> +		}
> +	}
> +
>  	return 0;
>  }
>  
Neat. I like this.