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Commit d9758f7d authored by Mark Pearson's avatar Mark Pearson Committed by Greg Kroah-Hartman
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usb: core: add quirk for Alcor Link AK9563 smartcard reader 



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: default avatarMiroslav Zatko <mzatko@mirexoft.com>
Tested-by: default avatarDennis Wassenberg <dennis.wassenberg@secunet.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarDennis Wassenberg <dennis.wassenberg@secunet.com>
Signed-off-by: default avatarMark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20230208181223.1092654-1-mpearson-lenovo@squebb.ca


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 43379fca

drivers/usb/core/quirks.c

+3 −0
Original line number Diff line number Diff line
@@ -527,6 +527,9 @@ 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 },