APPLIED/cmt: [linux-firmware][SRU][B][PATCH 0/1] linux-firmware: Update firmware file for Intel Bluetooth AX201

[Seth Forshee]

On Thu, Jan 09, 2020 at 01:53:05PM +0800, You-Sheng Yang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1858776
> 
> [Impact]
> Platforms with Intel Bluetooth AX201 HarrisonPeak (HrP) [8086:06f0] subsystem
> [8086:4070] may hang system during suspend if it has ever been paired with BLE
> devices.
> 
> [Fix]
> Update bluetooth firmware intel/ibt-19-0-4.sfi to REL0318 or newer.
> 
> [Test Case]
> 1. pair with BLE devices. They doesn't have to stay connected/powered on
>    during the test.
> 2. make sure Bluetooth is now receiving LE ADV broadcats, which should
>    leave messages in dmesg like:
> 
>      Bluetooth: hci0: advertising data len corrected
> 
> 3. suspend the system a few times to see if SUT is still resumed unexpectedly
>    within a short period (< 1 minute).
> 
> [Regression Risk]
> Low. This change only updates firmware blob for the specific hardware
> affected.
> 
> [Other Info]
> Same case in a resolved bug 1850738, which we SRU-ed intel/ibt-19-0-0.sfi at the
> time. This time we've checked the corresponding models refering to blobs in this
> REL0318 update, and find intel/ibt-19-0-4.sfi is the only one affected.

This SRU information also needs to go in the bug description.

Applied for bionic, with the commit message modified to reflect that
this is a backport and not a cherry pick. Thanks!