event_status_bits
status = a_priv->event_status_bits;
a_priv->event_status_bits = 0;
a_priv->event_status_bits |= event_status;
unsigned short event_status_bits;
status = hp_priv->event_status_bits;
hp_priv->event_status_bits = 0;
hp_priv->event_status_bits |= event_status;
unsigned short event_status_bits;