Add digitizer X Tilt and Y Tilt usage support along with resolution calculation.
Signed-off-by: Nikolai Kondrashov <spbnick@xxxxxxxxx>
---
drivers/hid/hid-input.c | 25 ++++++++++++++++++++++---
1 files changed, 22 insertions(+), 3 deletions(-)
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index af0200f..c8f9965 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -225,7 +225,10 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
* Verify and convert units.
* See HID specification v1.11 6.2.2.7 Global Items for unit decoding
*/
- if (code == ABS_X || code == ABS_Y || code == ABS_Z) {
+ switch (code) {
+ case ABS_X:
+ case ABS_Y:
+ case ABS_Z:
if (field->unit == 0x11) { /* If centimeters */
/* Convert to millimeters */
unit_exponent += 1;
@@ -239,7 +242,13 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
} else {
return 0;
}
- } else if (code == ABS_RX || code == ABS_RY || code == ABS_RZ) {
+ break;
+
+ case ABS_RX:
+ case ABS_RY:
+ case ABS_RZ:
+ case ABS_TILT_X:
+ case ABS_TILT_Y:
if (field->unit == 0x14) { /* If degrees */
/* Convert to radians */
prev = logical_extents;
@@ -250,7 +259,9 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
} else if (field->unit != 0x12) { /* If not radians */
return 0;
}
- } else {
+ break;
+
+ default:
return 0;
}
@@ -623,6 +634,14 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
map_key_clear(BTN_TOOL_RUBBER);
break;
+ case 0x3d: /* X Tilt */
+ map_abs_clear(ABS_TILT_X);
+ break;
+
+ case 0x3e: /* Y Tilt */
+ map_abs_clear(ABS_TILT_Y);
+ break;
+
case 0x33: /* Touch */
case 0x42: /* TipSwitch */
case 0x43: /* TipSwitch2 */
--
1.7.9.1
--
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