notnamed

Fixing Bluetooth on certain Atheros chipsets

The Atheros Rome bluetooth chipset has been a huge headache under Linux due to Qualcomm reusing an ID code for this and an older chipset: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1542743 among other sources

The fix for this in kernel 4.8 is available in that bug report, but it is not compatible with the new kernel 4.13.

Note: I didn't write any of this code, I'm just documenting a fix.

Included below is a modified version of btusb.c that is working. I've made some small patches based on the compile errors and the btusb.c from the 4.13 kernel. I did not patch everything; just the bits that were relevant to my install errors. You may wish to do a more complete patch if you experience stability issues. Install commands:

notnamed

Fixing Bluetooth on certain Atheros chipsets

The Atheros Rome bluetooth chipset has been a huge headache under Linux due to Qualcomm reusing an ID code for this and an older chipset: https://bbs.archlinux.org/viewtopic.php?id=201646 among other sources

The fix for this in kernel <4.8 is available in that Arch forum thread, but as of Ubuntu 16.10 we have another problem, that HCI_BREDR was renamed which prevents the new btusb.c from compiling: http://permalink.gmane.org/gmane.linux.bluez.kernel/67981

Note: I didn't write any of this code, I'm just documenting a fix.

To fix this, we will simply rename HCI_BREDR as HCI_PRIMARY per the upstream btusb.c - included below is the modified version of btusb.c that is working. Install commands from the Arch thread for posterity are to:

notnamed

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I hereby claim:

• I am notnamed on github.
• I am notnamed (https://keybase.io/notnamed) on keybase.
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To claim this, I am signing this object: