Message ID | 20190705065401.9471-1-vicamo.yang@canonical.com |
---|---|
Headers | show |
Series | linux-firmware: Update firmware file for Intel Bluetooth, 9260 | expand |
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!