From: Mark Pearson Date: Wed, 8 Feb 2023 18:12:23 +0000 (-0500) Subject: usb: core: add quirk for Alcor Link AK9563 smartcard reader X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=303e724d7b1e1a0a93daf0b1ab5f7c4f53543b34;p=linux.git usb: core: add quirk for Alcor Link AK9563 smartcard reader 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 Tested-by: Dennis Wassenberg Cc: stable@vger.kernel.org Signed-off-by: Dennis Wassenberg Signed-off-by: Mark Pearson Link: https://lore.kernel.org/r/20230208181223.1092654-1-mpearson-lenovo@squebb.ca Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 079e183cf3bff..934b3d997702e 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 },