linux-kernel - Re: [PATCH] HID: logitech: Add ids for G PRO 2 LIGHTSPEED

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Message-ID: <7410n255-8p7s-s107-09ps-nr6r65oq706s@xreary.bet>
Date: Wed, 20 Aug 2025 20:13:10 +0200 (CEST)
From: Jiri Kosina <jikos@...nel.org>
To: Matt Coffin <mcoffin13@...il.com>
cc: linux-input@...r.kernel.org, Benjamin Tissoires <bentiss@...nel.org>, 
    Filipe Laíns <lains@...eup.net>, 
    Bastien Nocera <hadess@...ess.net>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] HID: logitech: Add ids for G PRO 2 LIGHTSPEED

On Wed, 20 Aug 2025, Matt Coffin wrote:

> Adds support for the G PRO 2 LIGHTSPEED Wireless via it's nano receiver
> or directly. This nano receiver appears to work identically to the 1_1
> receiver for the case I've verified, which is the battery status through
> lg-hidpp.
> 
> The same appears to be the case wired, sharing much with the Pro X
> Superlight 2; differences seemed to lie in userland configuration rather
> than in interfaces used by hid_logitech_hidpp on the kernel side.
> 
> I verified the sysfs interface for battery charge/discharge status, and
> capacity read to be working on my 910-007290 device (white).
> 
> Signed-off-by: Matt Coffin <mcoffin13@...il.com>
> ---
>  drivers/hid/hid-ids.h            | 1 +
>  drivers/hid/hid-logitech-dj.c    | 4 ++++
>  drivers/hid/hid-logitech-hidpp.c | 2 ++
>  3 files changed, 7 insertions(+)
> 
> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
> index 5a1096283855..37dc42380373 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
> @@ -907,6 +907,7 @@
>  #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_2		0xc534
>  #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1	0xc539
>  #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_1	0xc53f
> +#define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_2	0xc543
>  #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_POWERPLAY	0xc53a
>  #define USB_DEVICE_ID_LOGITECH_BOLT_RECEIVER	0xc548
>  #define USB_DEVICE_ID_SPACETRAVELLER	0xc623
> diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
> index 34fa71ceec2b..cce54dd9884a 100644
> --- a/drivers/hid/hid-logitech-dj.c
> +++ b/drivers/hid/hid-logitech-dj.c
> @@ -1983,6 +1983,10 @@ static const struct hid_device_id logi_dj_receivers[] = {
>  	  HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
>  		USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_1),
>  	 .driver_data = recvr_type_gaming_hidpp},
> +	{ /* Logitech lightspeed receiver (0xc543) */
> +	  HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
> +		USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_2),
> +	 .driver_data = recvr_type_gaming_hidpp},
>  
>  	{ /* Logitech 27 MHz HID++ 1.0 receiver (0xc513) */
>  	  HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER),
> diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
> index 10a3bc5f931b..aaef405a717e 100644
> --- a/drivers/hid/hid-logitech-hidpp.c
> +++ b/drivers/hid/hid-logitech-hidpp.c
> @@ -4596,6 +4596,8 @@ static const struct hid_device_id hidpp_devices[] = {
>  	  HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC094) },
>  	{ /* Logitech G Pro X Superlight 2 Gaming Mouse over USB */
>  	  HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC09b) },
> +	{ /* Logitech G PRO 2 LIGHTSPEED Wireless Mouse over USB */
> +	  HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xc09a) },
>  
>  	{ /* G935 Gaming Headset */
>  	  HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0x0a87),

Applied to hid.git#for-6.17/upstream-fixes, thanks.

-- 
Jiri Kosina
SUSE Labs