This is a note to let you know that I've just added the patch titled HID: logitech-hidpp: add HIDPP_QUIRK_DELAYED_INIT for the T651. to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: hid-logitech-hidpp-add-hidpp_quirk_delayed_init-for-the-t651.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 5fe251112646d8626818ea90f7af325bab243efa Mon Sep 17 00:00:00 2001 From: Mike Hommey <mh@xxxxxxxxxxxx> Date: Sun, 18 Jun 2023 08:09:57 +0900 Subject: HID: logitech-hidpp: add HIDPP_QUIRK_DELAYED_INIT for the T651. From: Mike Hommey <mh@xxxxxxxxxxxx> commit 5fe251112646d8626818ea90f7af325bab243efa upstream. commit 498ba2069035 ("HID: logitech-hidpp: Don't restart communication if not necessary") put restarting communication behind that flag, and this was apparently necessary on the T651, but the flag was not set for it. Fixes: 498ba2069035 ("HID: logitech-hidpp: Don't restart communication if not necessary") Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Mike Hommey <mh@xxxxxxxxxxxx> Link: https://lore.kernel.org/r/20230617230957.6mx73th4blv7owqk@xxxxxxxxxxxx Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/hid/hid-logitech-hidpp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -4295,7 +4295,7 @@ static const struct hid_device_id hidpp_ { /* wireless touchpad T651 */ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651), - .driver_data = HIDPP_QUIRK_CLASS_WTP }, + .driver_data = HIDPP_QUIRK_CLASS_WTP | HIDPP_QUIRK_DELAYED_INIT }, { /* Mouse Logitech Anywhere MX */ LDJ_DEVICE(0x1017), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_1P0 }, { /* Mouse Logitech Cube */ Patches currently in stable-queue which might be from mh@xxxxxxxxxxxx are queue-5.15/hid-logitech-hidpp-add-hidpp_quirk_delayed_init-for-the-t651.patch