send_hci_ibs_cmd
if (send_hci_ibs_cmd(HCI_IBS_WAKE_IND, hu) < 0)
if (send_hci_ibs_cmd(HCI_IBS_WAKE_ACK, hu) < 0)
if (send_hci_ibs_cmd(HCI_IBS_SLEEP_IND, hu) < 0) {
if (send_hci_ibs_cmd(HCI_IBS_WAKE_IND, hu) < 0) {
if (send_hci_ibs_cmd(HCI_IBS_WAKE_ACK, hu) < 0) {