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Diffstat (limited to 'drivers/hid/hid-input.c')
-rw-r--r--drivers/hid/hid-input.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index d917c0d53685..d1ec571bdb3b 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -208,7 +208,7 @@ static int hidinput_setkeycode(struct input_dev *dev,
* Only exponent 1 length units are processed. Centimeters and inches are
* converted to millimeters. Degrees are converted to radians.
*/
-static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
+__s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
{
__s32 unit_exponent = field->unit_exponent;
__s32 logical_extents = field->logical_maximum -
@@ -229,6 +229,12 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
case ABS_X:
case ABS_Y:
case ABS_Z:
+ case ABS_MT_POSITION_X:
+ case ABS_MT_POSITION_Y:
+ case ABS_MT_TOOL_X:
+ case ABS_MT_TOOL_Y:
+ case ABS_MT_TOUCH_MAJOR:
+ case ABS_MT_TOUCH_MINOR:
if (field->unit == 0x11) { /* If centimeters */
/* Convert to millimeters */
unit_exponent += 1;
@@ -283,6 +289,7 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
/* Calculate resolution */
return logical_extents / physical_extents;
}
+EXPORT_SYMBOL_GPL(hidinput_calc_abs_res);
#ifdef CONFIG_HID_BATTERY_STRENGTH
static enum power_supply_property hidinput_battery_props[] = {
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