<6>[ 1211.886704] rtk_btusb: Realtek Bluetooth USB driver ver 0.8
<6>[ 1211.895829] rtk_btusb: btusb_probe 1==========can_wakeup=1	 flag2=0
<6>[ 1211.906006] rtk_btusb: wakeup_disable==========can_wakeup=1	 flag2=0
<6>[ 1211.915756] rtk_btusb: patch_add
<6>[ 1211.930676] rtk_btusb: btusb_open start pm_usage_cnt(0x0)
<6>[ 1211.936769] rtk_btusb: btusb_open hdev->promisc ==0
<6>[ 1211.945471] usbcore: registered new interface driver rtk_btusb
<6>[ 1211.963934] rtk_btusb: download_patch start
<6>[ 1211.975162] rtk_btusb: check_fw_version : read_ver_rsp->lmp_subver = 0x342e
<6>[ 1211.984206] rtk_btusb: Rtk patch end 1
<6>[ 1211.989811] rtk_btusb: btusb_open end  pm_usage_cnt(0x0)
<3>[ 1211.996317] Bluetooth: hci0 sending frame failed
<6>[ 1221.999038] rtk_btusb: btusb_flush add delay
<6>[ 1222.016900] rtk_btusb: btusb_close