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