APPLIED: [SRU][linux-firmware][B/D/E/unstable][PATCH 0/1] update firmware for sound sof driver to fix the hang issue on several Dell machines

[Seth Forshee]

On Tue, Oct 08, 2019 at 08:48:05PM +0800, Hui Wang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1847250
> 
> We expect this firmware update could be released with 19.10
> 
> [Impact]
> We have a couple of Dell machines, after installing the system, it
> will hang randomly, and this issue was reported by factory, they met
> this issue a couple of times. Then we tried to reproduce this issue,
> finally reproduced it.
> 
> [Fix]
> Intel debugged this issue as well, and they provided 4 kernel patches
> and a new firmware, we tested them, they really can fix the issue.
> And the patches were sent the SRU already, now it is time to update
> firmware.
> 
> [Test Case]
> Install the system repeatedly and there is no hang issue anymore.
> 
> [Regression Risk]
> Low, Intel told us there is no ABI change for the firmware, so
> it is safe to run this firmware both with the old driver (not applied
> those 4 patches) and the new driver (applied those 4 patches).

Applied for bionic, disco, and eoan. Thanks!