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;
--
1.9.1
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