On Tue, 16 Nov 2021, Ondrej Zary wrote:
> Iiyama ProLite T1931SAW does not work with Linux - input devices are
> created but cursor does not move.
>
> It has the infamous 0eef:0001 ID which has been reused for various
> devices before.
>
> It seems to require export_all_inputs = true.
>
> Hopefully there are no HID devices using this ID that will break.
> It should not break non-HID devices (handled by usbtouchscreen).
>
> Signed-off-by: Ondrej Zary <linux@xxxxxxx>
> ---
> drivers/hid/hid-multitouch.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
> index 3ea7cb1cda84..ac114b76057b 100644
> --- a/drivers/hid/hid-multitouch.c
> +++ b/drivers/hid/hid-multitouch.c
> @@ -1880,6 +1880,11 @@ static const struct hid_device_id mt_devices[] = {
> MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
> USB_DEVICE_ID_CVTOUCH_SCREEN) },
>
> + /* eGalax devices (SAW) */
> + { .driver_data = MT_CLS_EXPORT_ALL_INPUTS,
> + MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
> + USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER) },
> +
> /* eGalax devices (resistive) */
> { .driver_data = MT_CLS_EGALAX,
Applied, thanks Ondrej.
--
Jiri Kosina
SUSE Labs
