diff mbox series

[v3] usb: core: add quirk for Alcor Link AK9563 smartcard reader

Message ID 20230208181223.1092654-1-mpearson-lenovo@squebb.ca (mailing list archive)
State Accepted
Commit 303e724d7b1e1a0a93daf0b1ab5f7c4f53543b34
Headers show
Series [v3] usb: core: add quirk for Alcor Link AK9563 smartcard reader | expand

Commit Message

Mark Pearson Feb. 8, 2023, 6:12 p.m. UTC 
The Alcor Link AK9563 smartcard reader used on some Lenovo platforms
doesn't work. If LPM is enabled the reader will provide an invalid
usb config descriptor. Added quirk to disable LPM.

Verified fix on Lenovo P16 G1 and T14 G3

Tested-by: Miroslav Zatko <mzatko@mirexoft.com>
Tested-by: Dennis Wassenberg <dennis.wassenberg@secunet.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dennis Wassenberg <dennis.wassenberg@secunet.com>
Signed-off-by: Mark Pearson <mpearson-lenovo@squebb.ca>
---
Changes in v3: Send correct update that should have been in v2
Changes in v2: Put entry in correct position in quirks list.

 drivers/usb/core/quirks.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 079e183cf3bf..934b3d997702 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -526,6 +526,9 @@  static const struct usb_device_id usb_quirk_list[] = {
 	/* DJI CineSSD */
 	{ USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM },
 
+	/* Alcor Link AK9563 SC Reader used in 2022 Lenovo ThinkPads */
+	{ USB_DEVICE(0x2ce3, 0x9563), .driver_info = USB_QUIRK_NO_LPM },
+
 	/* DELL USB GEN2 */
 	{ USB_DEVICE(0x413c, 0xb062), .driver_info = USB_QUIRK_NO_LPM | USB_QUIRK_RESET_RESUME },