On Thu, Jul 02, 2020 at 10:42:21AM -0500, Pierre-Louis Bossart wrote: > On 7/2/20 6:18 AM, Mark Brown wrote: > > On Wed, Jul 01, 2020 at 09:21:24PM -0400, Sasha Levin wrote: > > > From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> > > > [ Upstream commit c8d2e2bfaeffa0f914330e8b4e45b986c8d30b58 ] > > > Usually the DSP is not traditionally enabled on H skews but this might > > > be used moving forward. > > "This might be used moving forward"? > There are two conditions for the SOF driver to be used in a distro: > a) the DSP needs to be enabled (as reported by the pci class info) > b) sound/hda/intel-dsp-config.c needs to contain a quirk to select SOF over > the legacy HDaudio, such as presence of DMIC/SoundWire or a known vendor > DMI. > Traditionally for desktops neither a) nor b) are true, but this is changing: > we will start adding quirks for specific product lines as requested by OEMs. > Does this answer to your question? The question was more of a why is this being backported one - without those extra quirks this does nothing, and frankly with them it seems like a *major* change someone might see in stable if they update their kernel and it suddenly switches to an entirely different DSP software stack.
Attachment:
signature.asc
Description: PGP signature
