This is a note to let you know that I've just added the patch titled

USB: Add delay-init quirk for Corsair K70 LUX 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%3Ba=su...

The filename of the patch is: usb-add-delay-init-quirk-for-corsair-k70-lux-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@vger.kernel.org know about it.

From a0fea6027f19c62727315aba1a7fae75a9caa842 Mon Sep 17 00:00:00 2001

From: Bernhard Rosenkraenzer bernhard.rosenkranzer@linaro.org Date: Fri, 3 Nov 2017 16:46:02 +0100 Subject: USB: Add delay-init quirk for Corsair K70 LUX keyboards

From: Bernhard Rosenkraenzer bernhard.rosenkranzer@linaro.org

commit a0fea6027f19c62727315aba1a7fae75a9caa842 upstream.

Without this patch, K70 LUX keyboards don't work, saying usb 3-3: unable to read config index 0 descriptor/all usb 3-3: can't read configurations, error -110 usb usb3-port3: unable to enumerate USB device

Signed-off-by: Bernhard Rosenkraenzer Bernhard.Rosenkranzer@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org

--- drivers/usb/core/quirks.c | 3 +++ 1 file changed, 3 insertions(+)

--- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -221,6 +221,9 @@ static const struct usb_device_id usb_qu /* Corsair Strafe RGB */ { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT },

+ /* Corsair K70 LUX */ + { USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT }, + /* MIDI keyboard WORLDE MINI */ { USB_DEVICE(0x1c75, 0x0204), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS },

Patches currently in stable-queue which might be from bernhard.rosenkranzer@linaro.org are

queue-4.9/usb-add-delay-init-quirk-for-corsair-k70-lux-keyboards.patch