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HID: input: Set INPUT_PROP_-property for HID_UP_DIGITIZERS

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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 <[email protected]>
Reviewed-by: Ping Cheng <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
This commit is contained in:
Tatsunosuke Tobita 2018-08-08 09:31:43 +09:00 • committed by Jiri Kosina
commit 8473a93d1b
1 changed files with 5 additions and 0 deletions
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5
drivers/hid/hid-input.c
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@ -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;