diff mbox

usb: cdc_acm: Add quirk for Castles VEGA3000

Message ID 20180710062849.915863-1-lkundrak@v3.sk (mailing list archive)
State New, archived
Headers show

Commit Message

Lubomir Rintel July 10, 2018, 6:28 a.m. UTC
The device (a POS terminal) implements CDC ACM, but has not union
descriptor.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
---
 drivers/usb/class/cdc-acm.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Oliver Neukum July 10, 2018, 10:20 a.m. UTC | #1
On Di, 2018-07-10 at 08:28 +0200, Lubomir Rintel wrote:
> 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>

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diff mbox

Patch

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 998b32d0167e..75c4623ad779 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1831,6 +1831,9 @@  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,