APPLIED: [PATCH 0/1][SRU][linux-firmware][X][B] linux-firmware: Update firmware file for Intel Bluetooth, 9260

[Seth Forshee]

On Fri, Jul 05, 2019 at 02:53:59PM +0800, You-Sheng Yang wrote:
> BugLink: https://launchpad.net/bugs/1835449
> 
> [Impact]
> Intel Wireless-AC 9260 Bluetooth doesn't pair to Bluetooth 5.0 HID
> devices.
> 
> [Fix]
> Bluetooth FW Build REL0329 or newer is known to have fixed this problem
> on Cosmic, and for Disco we have REL0420. On Bionic and Xenial it takes
> a firmware backport from upstream commit
> c2d8f1b7f820b31b6120d741c23db23340a72821. Original patch modified to fix
> conflicts in the WHENCE file.
> 
> [Test Case]
> Verified on hardware platforms with Intel Wireless AC 9260 installed,
> e.g. Dell Precision 7530. Copied the two blobs to /lib/firmware/intel
> and power off the device completely to trigger firmware reload at the
> next boot.
> 
> [Regression Risk]
> Low. Tried following kernels with REL0329 firmware blobs:
> 
>   * 4.4.0-154-generic: Xenial, WiFi/Bluetooth doesn't work
>   * 4.8.0-58-generic: Xenial, even doesn't boot to console
>   * 4.10.0-42-generic: Xenial, WiFi/Bluetooth doesn't work
>   * 4.11.0-14-generic: Xenial, WiFi/Bluetooth doesn't work
>   * 4.13.0-45-generic: Xenial
>   * 4.15.0-54-generic: Xenial, Bionic
>   * 4.15.0-1043-oem: Xenial, Bionic
> 
> For those WiFi/Bluetooth doesn't work versions, WiFi/Bluetooth doesn't
> work even with current firmware blobs shipped in Xenial's linux-firmware
> REL0186. So overall, these updated blobs are only loaded by hardware
> requires them, and they doesn't bring harm to known working
> configurations.
> 
> Amit K Bag (1):
>   linux-firmware: Update firmware file for Intel Bluetooth,9260

Applied for xenial and bionic, thanks!