linux-kernel - [ 026/175] USB: gadget: Make g_hid device class conform to spec.

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Message-Id: <20120330194829.642617709@linuxfoundation.org>
Date:	Fri, 30 Mar 2012 12:48:51 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Orjan Friberg <of@...tfrog.com>,
	Felipe Balbi <balbi@...com>
Subject: [ 026/175] USB: gadget: Make g_hid device class conform to spec.

3.3-stable review patch.  If anyone has any objections, please let me know.

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

From: Orjan Friberg <of@...tfrog.com>

commit 33d2832ab0149a26418d360af3c444969a63fb28 upstream.

HID devices should specify this in their interface descriptors, not in the
device descriptor. This fixes a "missing hardware id" bug under Windows 7 with
a VIA VL800 (3.0) controller.

Signed-off-by: Orjan Friberg <of@...tfrog.com>
Cc: Felipe Balbi <balbi@...com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/gadget/hid.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/usb/gadget/hid.c
+++ b/drivers/usb/gadget/hid.c
@@ -60,9 +60,9 @@ static struct usb_device_descriptor devi
 	/* .bDeviceClass =		USB_CLASS_COMM, */
 	/* .bDeviceSubClass =	0, */
 	/* .bDeviceProtocol =	0, */
-	.bDeviceClass =		0xEF,
-	.bDeviceSubClass =	2,
-	.bDeviceProtocol =	1,
+	.bDeviceClass =		USB_CLASS_PER_INTERFACE,
+	.bDeviceSubClass =	0,
+	.bDeviceProtocol =	0,
 	/* .bMaxPacketSize0 = f(hardware) */
 
 	/* Vendor and product id can be overridden by module parameters.  */


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