wacom_wac->hid_data.tipswitch |= value;
return;
case HID_DG_TOOLSERIALNUMBER:
- wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
- wacom_wac->serial[0] |= (__u32)value;
+ if (value) {
+ wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
+ wacom_wac->serial[0] |= (__u32)value;
+ }
return;
case HID_DG_TWIST:
/*
wacom_wac->hid_data.sense_state = value;
return;
case WACOM_HID_WD_SERIALHI:
- wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
- wacom_wac->serial[0] |= ((__u64)value) << 32;
- /*
- * Non-USI EMR devices may contain additional tool type
- * information here. See WACOM_HID_WD_TOOLTYPE case for
- * more details.
- */
- if (value >> 20 == 1) {
- wacom_wac->id[0] |= value & 0xFFFFF;
+ if (value) {
+ wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
+ wacom_wac->serial[0] |= ((__u64)value) << 32;
+ /*
+ * Non-USI EMR devices may contain additional tool type
+ * information here. See WACOM_HID_WD_TOOLTYPE case for
+ * more details.
+ */
+ if (value >> 20 == 1) {
+ wacom_wac->id[0] |= value & 0xFFFFF;
+ }
}
return;
case WACOM_HID_WD_TOOLTYPE:
if (!prox) {
wacom_wac->tool[0] = 0;
wacom_wac->id[0] = 0;
+ wacom_wac->serial[0] = 0;
}
}