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authorLubomir Rintel <lkundrak@v3.sk>2018-07-10 08:28:49 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-28 07:45:03 +0200
commit92197cdb913a3f130b70550c856afc27cf710ea9 (patch)
treeee53e08418df66a517c4554d0bbd6faaf84970fb
parenta77bf88daa402cb52729fe4e46e1b7ce58f1f8ad (diff)
usb: cdc_acm: Add quirk for Castles VEGA3000
commit 1445cbe476fc3dd09c0b380b206526a49403c071 upstream. The device (a POS terminal) implements CDC ACM, but has not union descriptor. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Acked-by: Oliver Neukum <oneukum@suse.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/class/cdc-acm.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 7ed30d0b5273..a501f3ba6a3f 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1771,6 +1771,9 @@ static const struct usb_device_id acm_ids[] = {
{ USB_DEVICE(0x09d8, 0x0320), /* Elatec GmbH TWN3 */
.driver_info = NO_UNION_NORMAL, /* has misplaced union descriptor */
},
+ { USB_DEVICE(0x0ca6, 0xa050), /* Castles VEGA3000 */
+ .driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */
+ },
{ USB_DEVICE(0x2912, 0x0001), /* ATOL FPrint */
.driver_info = CLEAR_HALT_CONDITIONS,