Message ID | 20200224011311.7178-1-hui.wang@canonical.com |
---|---|
Headers | show |
Series | alsa/sof: let sof driver work with topology with volume and led control (focal) | expand |
On Mon, Feb 24, 2020 at 09:13:07AM +0800, Hui Wang wrote: > BugLink: http://bugs.launchpad.net/bugs/1864398 > > [Impact] > In the ubuntu 20.04, we plan to integrate sof-firmware v1.4.2, the > topology of this version contains volume and led control, we need > to add this support in the sof driver, otherwise the sof will crash > when parsing the topology of v1.4.2. After adding these patches, > the sof still coudl work with topology without volume and led control. > > [Fix] > Backported the patches from mainline kernel v5.5-c1 > > [Test Case] > Install the sof-firmware v1.4.2 > boot the kernel with these patches, sof driver initializes successfully, > and we could get a working sound card after booting up. > > Install the sof-firmware v1.3.1 > boot the kernel with these patches, sof driver initializes successfully, > and we could get a working sound card after booting up. > > [Regression Risk] > Low, the patches are backported from upstream kernel, and I tested > this patch on Lenovo and Dell dmic machines. Applied to focal/master-next, thanks!