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From:   Bernhard Rosenkraenzer <bernhard.rosenkranzer@linaro.org>
To:     linux-kernel@vger.kernel.org
Cc:     gregkh@linuxfoundation.org, linux-usb@vger.kernel.org,
        kai.heng.feng@canonical.com, stable@vger.kernel.org
Subject: [PATCH] Add delay-init quirk for Corsair K70 LUX keyboards
Date:   Fri,  3 Nov 2017 16:46:02 +0100
Message-Id: <20171103154602.10265-1-Bernhard.Rosenkranzer@linaro.org>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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

diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index a6aaf2f193a4..37c418e581fb 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -221,6 +221,9 @@ static const struct usb_device_id usb_quirk_list[] = {
 	/* 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 },
-- 
2.15.0


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