linux-kernel - Re: [PATCH v2] HID: logitech-dj: allow mice to report multimedia keycodes

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Date: Wed, 3 Apr 2024 13:38:12 +0200 (CEST)
From: Jiri Kosina <jikos@...nel.org>
To: Yaraslau Furman <yaro330@...il.com>
cc: Benjamin Tissoires <benjamin.tissoires@...hat.com>, 
    Lucas Zampieri <lzampier@...hat.com>, 
    Filipe Laíns <lains@...eup.net>, 
    "open list:HID LOGITECH DRIVERS" <linux-input@...r.kernel.org>, 
    open list <linux-kernel@...r.kernel.org>, 
    Hans de Goede <hdegoede@...hat.com>
Subject: Re: [PATCH v2] HID: logitech-dj: allow mice to report multimedia
 keycodes

On Thu, 22 Feb 2024, Yaraslau Furman wrote:

> Multimedia buttons can be bound to the mouse's extra keys in Windows application.
> Let Linux receive those keycodes.
> 
> Signed-off-by: Yaraslau Furman <yaro330@...il.com>
> ---
>  drivers/hid/hid-logitech-dj.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
> index e6a8b6d8eab7..3c3c497b6b91 100644
> --- a/drivers/hid/hid-logitech-dj.c
> +++ b/drivers/hid/hid-logitech-dj.c
> @@ -965,9 +965,7 @@ static void logi_hidpp_dev_conn_notif_equad(struct hid_device *hdev,
>  		}
>  		break;
>  	case REPORT_TYPE_MOUSE:
> -		workitem->reports_supported |= STD_MOUSE | HIDPP;
> -		if (djrcv_dev->type == recvr_type_mouse_only)
> -			workitem->reports_supported |= MULTIMEDIA;
> +		workitem->reports_supported |= STD_MOUSE | HIDPP | MULTIMEDIA;
>  		break;

CCing Hans who introduced this explicit check back in 3ed224e273ac 
("HID: logitech-dj: Fix 064d:c52f receiver support").
Should it be made device-specific?

-- 
Jiri Kosina
SUSE Labs