linux-kernel - [PATCH 3.16 050/136] USB: Add delay-init quirk for Corsair K70 LUX keyboards

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Date:   Sun, 11 Feb 2018 04:31:11 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org,
        "Bernhard Rosenkraenzer" <Bernhard.Rosenkranzer@...aro.org>,
        "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
        "Bernhard Rosenkraenzer" <bernhard.rosenkranzer@...aro.org>
Subject: [PATCH 3.16 050/136] USB: Add delay-init quirk for Corsair K70
 LUX keyboards

3.16.54-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Bernhard Rosenkraenzer <bernhard.rosenkranzer@...aro.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@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/usb/core/quirks.c | 3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -218,6 +218,9 @@ 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 },