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path: root/drivers/hid/hid-input.c
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Diffstat (limited to 'drivers/hid/hid-input.c')
-rw-r--r--drivers/hid/hid-input.c36
1 files changed, 22 insertions, 14 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 002781c5a616..132b0019365e 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 */
@@ -638,10 +657,6 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
map_key_clear(BTN_STYLUS2);
break;
- case 0x51: /* ContactID */
- device->quirks |= HID_QUIRK_MULTITOUCH;
- goto unknown;
-
default: goto unknown;
}
break;
@@ -1208,13 +1223,6 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
}
}
- if (hid->quirks & HID_QUIRK_MULTITOUCH) {
- /* generic hid does not know how to handle multitouch devices */
- if (hidinput)
- goto out_cleanup;
- goto out_unwind;
- }
-
if (hidinput && input_register_device(hidinput->input))
goto out_cleanup;
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