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[Bug 1024884] Re: Bluetooth with AR9462 WLAN/BT-Combo don't work

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Had the same issue with my HP EliteBook 2170p having next version of
AR9462 with ID 0cf3:311e in Rarian. Fixed by blacklisting it in the
btusb and ath3k drivers. The ready deb package is attached

** Attachment added: "ar9462-dkms_1.5_all.deb"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1024884/+attachment/3854873/+files/ar9462-dkms_1.5_all.deb

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https://bugs.launchpad.net/bugs/1024884

Title:
  Bluetooth with AR9462 WLAN/BT-Combo don't work

Status in HWE Next Project:
  Fix Released
Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux-backports-modules-3.5.0” package in Ubuntu:
  Won't Fix
Status in “linux-firmware” package in Ubuntu:
  Fix Released
Status in “linux” source package in Precise:
  Fix Released
Status in “linux-backports-modules-3.5.0” source package in Precise:
  Won't Fix
Status in “linux-firmware” source package in Precise:
  Fix Released
Status in “linux” source package in Quantal:
  Fix Released
Status in “linux-backports-modules-3.5.0” source package in Quantal:
  Won't Fix
Status in “linux-firmware” source package in Quantal:
  Fix Released

Bug description:
  Ubuntu 12.04 Precise Pangolin 32bit - 3.2.0-23.36-generic 3.2.14
  Product Brief
  http://www.google.com/url?sa=t&rct=j&q=ar9462&source=web&cd=1&ved=0CFAQFjAA&url=http%3A%2F%2Fwww.qca.qualcomm.com%2Fmedia%2Fproduct%2Fproduct_112_file1.pdf&ei=Hzj3T7bVAcjfsgbE7Ym1BQ&usg=AFQjCNFdCVTSZr6iAYO5VbRD1Nir4wnnwg&cad=rja

  WLAN:
  0d:00.0 Network controller [0280]: Atheros Communications Inc. AR9462 Wireless Network Adapter [168c:0034] (rev 01)
  	Subsystem: Lite-On Communications Inc Device [11ad:6621]
  	Kernel driver in use: ath9k
  	Kernel modules: ath9k

  lsusb (BT-device identified as):
  Bus 002 Device 003: ID 04ca:3006 Lite-On Technology Corp.

  iProduct value is 2, so it must be a AR3012 based chipset for BT (see
  attachment).

  I have adjusted in accordance with
  http://wireless.kernel.org/en/users/Drivers/ath3k  the source codefor
  ath3k.c and btusb.c

  See attachment for further informations and Terminal output.

  Used CW snapshots and firmware:
  compat-wireless-2012-07-03
  linux-firmware-HEAD-e0836e6

  Options for ath9k are set in /etc/modprobe.d/ath9k.conf:   options
  ath9k btcoex_enable=1

  First try with this patch to add the needed ID an blacklist this
  device for btusb:

  diff -urN compat-wireless-2012-07-03/drivers/bluetooth/ath3k.c compat-wireless-2012-07-03_bt_ath3k_04ca_3006_mod/drivers/bluetooth/ath3k.c
  --- compat-wireless-2012-07-03/drivers/bluetooth/ath3k.c	2012-07-04 02:38:39.000000000 +0200
  +++ compat-wireless-2012-07-03_bt_ath3k_04ca_3006_mod/drivers/bluetooth/ath3k.c	2012-07-13 23:29:04.000000000 +0200
  @@ -76,6 +76,7 @@
   	{ USB_DEVICE(0x0CF3, 0x311D) },
   	{ USB_DEVICE(0x13d3, 0x3375) },
   	{ USB_DEVICE(0x04CA, 0x3005) },
  +	{ USB_DEVICE(0x04CA, 0x3006) },
   	{ USB_DEVICE(0x13d3, 0x3362) },
   	{ USB_DEVICE(0x0CF3, 0xE004) },
   	{ USB_DEVICE(0x0930, 0x0219) },
  @@ -101,6 +102,7 @@
   	{ USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
   	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
   	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
  +	{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
   	{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
   	{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
   	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
  diff -urN compat-wireless-2012-07-03/drivers/bluetooth/btusb.c compat-wireless-2012-07-03_bt_ath3k_04ca_3006_mod/drivers/bluetooth/btusb.c
  --- compat-wireless-2012-07-03/drivers/bluetooth/btusb.c	2012-07-04 02:38:39.000000000 +0200
  +++ compat-wireless-2012-07-03_bt_ath3k_04ca_3006_mod/drivers/bluetooth/btusb.c	2012-07-13 23:30:35.000000000 +0200
  @@ -130,6 +130,7 @@
   	{ USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
   	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
   	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
  +	{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
   	{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
   	{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
   	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },

  ... leads to the following error
  [   38.428012] Bluetooth: Patch file not found ar3k/AthrBT_0x11020000.dfu
  [   38.428015] Bluetooth: Loading patch file failed
  [   38.428021] ath3k: probe of 2-1.6:1.0 failed with error -2

  the file AthrBT_0x11020000.dfu is not available in linux-firmware-
  HEAD-e0836e6/ar3k , so i try this patch:

  2012-07-03_bt_ath3k_04ca_3006_mod/drivers/bluetooth/ath3k.c
  --- compat-wireless-2012-07-03/drivers/bluetooth/ath3k.c	2012-07-04 02:38:39.000000000 +0200
  +++ compat-wireless-2012-07-03_bt_ath3k_04ca_3006_mod/drivers/bluetooth/ath3k.c	2012-07-13 23:29:04.000000000 +0200
  @@ -76,6 +76,7 @@
   	{ USB_DEVICE(0x0CF3, 0x311D) },
   	{ USB_DEVICE(0x13d3, 0x3375) },
   	{ USB_DEVICE(0x04CA, 0x3005) },
  +	{ USB_DEVICE(0x04CA, 0x3006) },
   	{ USB_DEVICE(0x13d3, 0x3362) },
   	{ USB_DEVICE(0x0CF3, 0xE004) },
   	{ USB_DEVICE(0x0930, 0x0219) },

  diff -urN compat-wireless-2012-07-03/drivers/bluetooth/btusb.c compat-wireless-2012-07-03_bt_ath3k_04ca_3006_mod/drivers/bluetooth/btusb.c
  --- compat-wireless-2012-07-03/drivers/bluetooth/btusb.c	2012-07-04 02:38:39.000000000 +0200
  +++ compat-wireless-2012-07-03_bt_ath3k_04ca_3006_mod/drivers/bluetooth/btusb.c	2012-07-13 23:30:35.000000000 +0200
  @@ -130,6 +130,7 @@
   	{ USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
   	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
   	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
  +	{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
   	{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
   	{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
   	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },

  The driver will not now need to install a patch

  An now we have this output:

  dmesg | egrep 'ath3|ar3|Bluet'
  [   15.770583] Bluetooth: Core ver 2.16
  [   15.770601] Bluetooth: HCI device and connection manager initialized
  [   15.770603] Bluetooth: HCI socket layer initialized
  [   15.770604] Bluetooth: L2CAP socket layer initialized
  [   15.770609] Bluetooth: SCO socket layer initialized
  [   18.979363] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
  [   18.979366] Bluetooth: BNEP filters: protocol multicast
  [   19.003989] Bluetooth: RFCOMM TTY layer initialized
  [   19.003995] Bluetooth: RFCOMM socket layer initialized
  [   19.003997] Bluetooth: RFCOMM ver 1.11
  [   19.213474] Bluetooth: Error in firmware loading err = -110,len = 0, size = 4096
  [   19.213506] ath3k: probe of 2-1.6:1.0 failed with error -110
  [   19.213539] usbcore: registered new interface driver ath3k

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