HID: wacom: generic: Scale battery capacity measurements to percentages

[mirror_ubuntu-artful-kernel.git] / drivers / hid / wacom_wac.c

diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 4b225fb19a16842f635026d1b1023d5d1cf5068e..fd989e09ae2deed1ab0e618941f26034d6f5ebdb 100644 (file)
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -1811,6 +1811,7 @@ static void wacom_wac_pad_battery_event(struct hid_device *hdev, struct hid_fiel
 
        switch (equivalent_usage) {
        case WACOM_HID_WD_BATTERY_LEVEL:
+               value = value * 100 / (field->logical_maximum - field->logical_minimum);
                wacom_wac->hid_data.battery_capacity = value;
                wacom_wac->hid_data.bat_connected = 1;
                break;
@@ -2035,6 +2036,7 @@ static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field
                        wacom_wac->hid_data.sense_state = value;
                return;
        case HID_DG_BATTERYSTRENGTH:
+               value = value * 100 / (field->logical_maximum - field->logical_minimum);
                wacom_wac->hid_data.battery_capacity = value;
                wacom_wac->hid_data.bat_connected = 1;
                break;