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

You-Sheng Yang vicamo.yang at canonical.com
Fri Jul 5 06:53:59 UTC 2019

BugLink: https://launchpad.net/bugs/1835449

Intel Wireless-AC 9260 Bluetooth doesn't pair to Bluetooth 5.0 HID

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

Amit K Bag (1):
  linux-firmware: Update firmware file for Intel Bluetooth,9260

 WHENCE                |   8 ++++----
 intel/ibt-18-16-1.sfi | Bin 578848 -> 628584 bytes
 intel/ibt-18-2.sfi    | Bin 578848 -> 628584 bytes
 3 files changed, 4 insertions(+), 4 deletions(-)


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