This is a note to let you know that I've just added the patch titled Add delay-init quirk for Corsair K70 RGB keyboards to the 4.9-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: add-delay-init-quirk-for-corsair-k70-rgb-keyboards.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 7a1646d922577b5b48c0d222e03831141664bb59 Mon Sep 17 00:00:00 2001 From: Jack Stocker <jackstocker.93@xxxxxxxxx> Date: Thu, 15 Feb 2018 18:24:10 +0000 Subject: Add delay-init quirk for Corsair K70 RGB keyboards From: Jack Stocker <jackstocker.93@xxxxxxxxx> commit 7a1646d922577b5b48c0d222e03831141664bb59 upstream. Following on from this patch: https://lkml.org/lkml/2017/11/3/516, Corsair K70 RGB keyboards also require the DELAY_INIT quirk to start correctly at boot. Device ids found here: usb 3-3: New USB device found, idVendor=1b1c, idProduct=1b13 usb 3-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 3-3: Product: Corsair K70 RGB Gaming Keyboard Signed-off-by: Jack Stocker <jackstocker.93@xxxxxxxxx> Cc: stable <stable@xxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/core/quirks.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -225,6 +225,9 @@ static const struct usb_device_id usb_qu { USB_DEVICE(0x1a0a, 0x0200), .driver_info = USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL }, + /* Corsair K70 RGB */ + { USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT }, + /* Corsair Strafe RGB */ { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT }, Patches currently in stable-queue which might be from jackstocker.93@xxxxxxxxx are queue-4.9/add-delay-init-quirk-for-corsair-k70-rgb-keyboards.patch