On Wed, Feb 08, 2023 at 09:46:48AM -0500, Mark Pearson wrote:
> 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@xxxxxxxxxxxx>
> Tested-by: Dennis Wassenberg <dennis.wassenberg@xxxxxxxxxxx>
>
> Cc: stable@xxxxxxxxxxxxxxx
>
> Signed-off-by: Dennis Wassenberg <dennis.wassenberg@xxxxxxxxxxx>
> Signed-off-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx>
No blank lines needed between tested-by and cc: stable.
> ---
> drivers/usb/core/quirks.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
> index 079e183cf3bf..9b1c56646ac5 100644
> --- a/drivers/usb/core/quirks.c
> +++ b/drivers/usb/core/quirks.c
> @@ -535,6 +535,9 @@ static const struct usb_device_id usb_quirk_list[] = {
> /* INTEL VALUE SSD */
> { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
>
> + /* Alcor Link AK9563 SC Reader used in 2022 Lenovo ThinkPads */
> + { USB_DEVICE(0x2ce3, 0x9563), .driver_info = USB_QUIRK_NO_LPM },
Please follow the instructions in the comment right above this structure
definition for where to put the entry in the list.
thanks,
greg k-h
