On Wed, 8 Aug 2018, Tatsunosuke Tobita wrote:
> Some system may want to know if a detected digitizer
> device is either an integrated or an external device.
> In order to distinguish such condition, setting either
> INPUT_PROP_DIRECT or INPUT_PROP_POINTER is required, checking
> the member, "application", in "hid_field" structure.
>
> Signed-off-by: Tatsunosuke Tobita <tobita.tatsunosuke@xxxxxxxxxxx>
> ---
> drivers/hid/hid-input.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
> index 930652c..3e98537 100644
> --- a/drivers/hid/hid-input.c
> +++ b/drivers/hid/hid-input.c
> @@ -758,6 +758,11 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
> break;
>
> case HID_UP_DIGITIZER:
> + if ((field->application & 0xff) == 0x01) /* Digitizer */
> + __set_bit(INPUT_PROP_POINTER, input->propbit);
> + else if ((field->application & 0xff) == 0x02) /* Pen */
> + __set_bit(INPUT_PROP_DIRECT, input->propbit);
> +
> switch (usage->hid & 0xff) {
> case 0x00: /* Undefined */
> goto ignore;
Makes sense.
Queued for 4.20, thanks.
--
Jiri Kosina
SUSE Labs
