]> git.itanic.dy.fi Git - linux-stable/commitdiff
usb: core: add quirk for Alcor Link AK9563 smartcard reader
authorMark Pearson <mpearson-lenovo@squebb.ca>
Wed, 8 Feb 2023 18:12:23 +0000 (13:12 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 22 Feb 2023 11:46:04 +0000 (12:46 +0100)
commit 303e724d7b1e1a0a93daf0b1ab5f7c4f53543b34 upstream.

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>
Link: https://lore.kernel.org/r/20230208181223.1092654-1-mpearson-lenovo@squebb.ca
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/core/quirks.c

index c102c7a9a3b4fe0bce8100671c6c46206ef7d717..60a49b87cc643118f48d0148f2a8d419dcf7cb79 100644 (file)
@@ -340,6 +340,9 @@ 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 },