{
        struct iwl_rx_packet *pkt = rxb_addr(rxb);
        u32 ant_isolation = le32_to_cpup((void *)pkt->data);
+       struct iwl_bt_coex_corun_lut_update_cmd cmd = {};
        u8 __maybe_unused lower_bound, upper_bound;
-       int ret;
        u8 lut;
 
-       struct iwl_bt_coex_cmd_old *bt_cmd;
-       struct iwl_host_cmd cmd = {
-               .id = BT_CONFIG,
-               .len = { sizeof(*bt_cmd), },
-               .dataflags = { IWL_HCMD_DFL_NOCOPY, },
-       };
-
        if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT))
                return iwl_mvm_rx_ant_coupling_notif_old(mvm, rxb, dev_cmd);
 
-       /* TODO */
-       return 0;
-
        if (!IWL_MVM_BT_COEX_CORUNNING)
                return 0;
 
 
        mvm->last_corun_lut = lut;
 
-       bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL);
-       if (!bt_cmd)
-               return 0;
-       cmd.data[0] = bt_cmd;
-
-       bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD);
-       bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE |
-                                            BT_VALID_CORUN_LUT_20 |
-                                            BT_VALID_CORUN_LUT_40);
-
        /* For the moment, use the same LUT for 20GHz and 40GHz */
-       memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[lut].lut20,
-              sizeof(bt_cmd->bt4_corun_lut20));
+       memcpy(&cmd.corun_lut20, antenna_coupling_ranges[lut].lut20,
+              sizeof(cmd.corun_lut20));
 
-       memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[lut].lut20,
-              sizeof(bt_cmd->bt4_corun_lut40));
+       memcpy(&cmd.corun_lut40, antenna_coupling_ranges[lut].lut20,
+              sizeof(cmd.corun_lut40));
 
-       ret = iwl_mvm_send_cmd(mvm, &cmd);
-
-       kfree(bt_cmd);
-       return ret;
+       return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_CORUN_LUT, 0,
+                                   sizeof(cmd), &cmd);
 }