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Message #15385
[Bug 1065400] Re: Support for loading Broadcom bluetooth firmware
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-raring-
needed' to 'verification-raring-done'.
If verification is not done by one week from today, this fix will be
dropped from the source code, and this bug will be closed.
See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!
** Tags added: verification-needed-raring
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https://bugs.launchpad.net/bugs/1065400
Title:
Support for loading Broadcom bluetooth firmware
Status in “linux” package in Ubuntu:
Fix Released
Status in “linux” source package in Precise:
Fix Released
Status in “linux” source package in Quantal:
Fix Committed
Status in “linux” source package in Raring:
Fix Committed
Status in “linux” source package in Saucy:
Fix Released
Bug description:
Broadcom bluetooth chips require a tool called patchram uploader [1]
to load firmware. This applies to at least BCM20702 and BCM43142.
Although some of the devices have an OTPROM that contains required
firmware, but it is found that these devices would not have HFP/HSP
support unless a upgraded firmware is loaded via patchram uploader.
This tool requires hci device to do the firmware loading, but this may
cause some race condition between patchram tool and bluetoothd or
something that also works on hci interface.
Also it needs some hooks to make firmware loads after bootup, s3, s4,
rfkill, and device hotplug events. Implement this loader in kernel
module would make things more easier.
[1] http://marc.info/?l=linux-bluetooth&m=132039175324993&w=2
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