linux-kernel - [PATCH] Add support for 2001:3c1e (D-Link DWA-125 rev B1) USB Wi-Fi adapter

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Message-ID: <50C454DC.4070207@ubuntu.com>
Date:	Sun, 09 Dec 2012 16:07:40 +0700
From:	Maia Kozheva <sikon@...ntu.com>
To:	linux-wireless@...r.kernel.org
CC:	Ivo van Doorn <IvDoorn@...il.com>,
	Gertjan van Wingerde <gwingerde@...il.com>,
	Helmut Schaa <helmut.schaa@...glemail.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] Add support for 2001:3c1e (D-Link DWA-125 rev B1) USB Wi-Fi
 adapter

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Hash: SHA256

D-Link DWA-125/B1 is a relatively new USB Wi-Fi adapter, using a Ralink chipset supported by the rt2800usb driver. Currently, to work around the problem (it's missing in all present kernel versions, up to and including 3.7.x), I had to add this to /etc/rc.local:

echo 2001 3c1e >> /sys/bus/usb/drivers/rt2800usb/new_id

After that, the device works without problems. Been using it for over a week with no bugs in sight.

The attached patch is trivial and simply adds the new USB ID to the list of devices handled by rt2800usb.


Signed-off-by: Maia Kozheva <sikon@...ntu.com>
diff -uprN a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
- --- a/drivers/net/wireless/rt2x00/rt2800usb.c	2012-12-09 15:30:39.051951506 +0700
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c	2012-12-09 15:31:07.679951314 +0700
@@ -965,6 +965,7 @@ static struct usb_device_id rt2800usb_de
 	{ USB_DEVICE(0x07d1, 0x3c15) },
 	{ USB_DEVICE(0x07d1, 0x3c16) },
 	{ USB_DEVICE(0x2001, 0x3c1b) },
+	{ USB_DEVICE(0x2001, 0x3c1e) },
 	/* Draytek */
 	{ USB_DEVICE(0x07fa, 0x7712) },
 	/* DVICO */

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