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[Pichalsi <pichalsi@xxxxxxxxx>]

Hi,
same problem here. I tried latest ubuntu with kernel 4.2, didnt work. Then tried previous version, downgrading from 3.19 to 3.16, followed the instruction for 3.16, but now the problem is that bluetooth works only on every other reboot - as described here https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1260825 . Any news about the issue or kernel versions where this works?

Michal

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https://bugs.launchpad.net/bugs/1394368

Title:
  Bluetooth with AR9462 doesn't work (New ID /Firmware)

Status in linux package in Ubuntu:
  Fix Released
Status in linux-firmware package in Ubuntu:
  Confirmed
Status in linux source package in Vivid:
  Fix Released
Status in linux-firmware source package in Vivid:
  Confirmed

Bug description:
  This is (kind of) a duplicate of:
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1024884
  (please read)

  I can't use Bluetooth with my AR9462 WLAN/BT-Combo.
  In the link above, it has been fixed, but not for my Adapter ID/Firmware:

  System:
  Ubuntu 14.10 utopic 64bit - 3.16.0-24-generic x86_64

  lspci -nnk
  02:00.0 Network controller [0280]: Qualcomm Atheros AR9462
  Wireless Network Adapter [168c:0034] (rev 01)
   Subsystem: Lite-On Communications Inc Device [11ad:0802]
   Kernel driver in use: ath9k

  lsusb (identified Bluetooth Device)
  Bus 002 Device 003: ID 04ca:300d Lite-On Technology Corp.

  ath9k.conf
  options ath9k btcoex_enable=1

  The "04ca:300d" ID is not in the Kernel, so i added it via dkms.

  I took ath3k.c and btusb.c out of the 3.16.0-24-generic source files
  and changed them:

  diff -urN ./linux-3.16.0/drivers/bluetooth/ath3k.c /usr/src/ar9462-1.5.1/ath3k.c
  --- ./linux-3.16.0/drivers/bluetooth/ath3k.c	2014-08-04 00:25:02.000000000 +0200
  +++ /usr/src/ar9462-1.5.1/ath3k.c	2014-11-19 21:12:46.646265890 +0100
  @@ -85,6 +85,7 @@
    { USB_DEVICE(0x04CA, 0x3007) },
    { USB_DEVICE(0x04CA, 0x3008) },
    { USB_DEVICE(0x04CA, 0x300b) },
  +	{ USB_DEVICE(0x04CA, 0x300d) },
    { USB_DEVICE(0x0930, 0x0219) },
    { USB_DEVICE(0x0930, 0x0220) },
    { USB_DEVICE(0x0b05, 0x17d0) },
  @@ -134,6 +135,7 @@
    { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
    { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
    { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
  +	{ USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
    { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
    { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
    { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },

  diff -urN ./linux-3.16.0/drivers/bluetooth/btusb.c /usr/src/ar9462-1.5.1/btusb.c
  --- ./linux-3.16.0/drivers/bluetooth/btusb.c	2014-08-04 00:25:02.000000000 +0200
  +++ /usr/src/ar9462-1.5.1/btusb.c	2014-11-19 21:12:46.646265890 +0100
  @@ -157,6 +157,7 @@
    { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
    { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
    { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
  +	{ USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
    { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
    { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
    { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },

  sudo dkms add -m ar9462 -v 1.5.1
  sudo dkms build -m ar9462 -v 1.5.1
  sudo dkms install -m ar9462 -v 1.5.1

  (DKMS package in the same style/versioning as in the bug report above)

  dkms status
  ar9462, 1.5.1, 3.16.0-24-generic, x86_64: installed

  Now the new output:

  dmesg | egrep 'ath3|ar3|Bluet'
  [    2.787819] Bluetooth: Core ver 2.19
  [    2.787833] Bluetooth: HCI device and connection manager initialized
  [    2.787839] Bluetooth: HCI socket layer initialized
  [    2.787842] Bluetooth: L2CAP socket layer initialized
  [    2.787848] Bluetooth: SCO socket layer initialized
  [    2.793551] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
  [    2.793554] Bluetooth: BNEP filters: protocol multicast
  [    2.793561] Bluetooth: BNEP socket layer initialized
  [    3.130779] Bluetooth: Patch file not found ar3k/AthrBT_0x11020100.dfu
  [    3.130783] Bluetooth: Loading patch file failed
  [    3.130788] ath3k: probe of 2-5:1.0 failed with error -12
  [    3.130823] usbcore: registered new interface driver ath3k
  [    9.776503] Bluetooth: RFCOMM TTY layer initialized
  [    9.776512] Bluetooth: RFCOMM socket layer initialized
  [    9.776517] Bluetooth: RFCOMM ver 1.11

  My patch works, but just like in the bug report above, a Firmware file is missing:
  AthrBT_0x11020100.dfu

  I found it neither in linux-firmware (http://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git/tree/ar3k)
  nor elsewhere.

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