linux-kernel - [PATCH 3.12 009/123] USB: usbtmc: add device quirk for Rigol DS6104

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Date:	Wed, 28 Oct 2015 14:50:26 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Teunis van Beelen <teuniz@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 009/123] USB: usbtmc: add device quirk for Rigol DS6104

From: Teunis van Beelen <teuniz@...il.com>

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

===============

commit f50420223071b6ff4b586308f5c27eec54694a81 upstream.

Recently we purchased the Rigol DS6104 and when I try to operate it from
my Linux pc, everything works well with the default usbtmc driver,
except when I want to download a big datachunk like a screenshot. This
bitmapfile has a size of 1152054 bytes but I receive a smaller file and
no new packets can be read.

When I took a look at the driver source, I found this "Rigol quirk" and
I added the id of the new DS series oscilloscopes to this list. I
compiled it and loaded the new driver and now everything seems to work
fine.

Signed-off-by: Teunis van Beelen <teuniz@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/usb/class/usbtmc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 09de131ee0cb..c997ee9122bc 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -110,6 +110,7 @@ struct usbtmc_ID_rigol_quirk {

 static const struct usbtmc_ID_rigol_quirk usbtmc_id_quirk[] = {
 	{ 0x1ab1, 0x0588 },
+	{ 0x1ab1, 0x04b0 },
 	{ 0, 0 }
 };

-- 
2.6.2

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