HC_CONTROL_BUS_ENABLE
reg_set(HC_CONTROL, HC_CONTROL_BUS_ENABLE | HC_CONTROL_HOT_JOIN_CTRL);
reg_clear(HC_CONTROL, HC_CONTROL_BUS_ENABLE);
!(regval & HC_CONTROL_BUS_ENABLE), 0, BUS_DISABLE_TIMEOUT_US);
reg_set(HC_CONTROL, HC_CONTROL_BUS_ENABLE | HC_CONTROL_HOT_JOIN_CTRL);