[RESEND] ASoC: SOF: Intel: add build support for SoundWire

[Jaroslav Kysela]

Dne 19. 08. 20 v 14:44 Bard Liao napsal(a):
> From: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
> 
> Select SoundWire capabilities on newer Intel platforms, starting with
> CannonLake/CoffeeLake/CometLake.
> 
> As done for HDaudio, the SoundWire link is an opt-in capability. We
> explicitly test for ACPI to avoid warnings on unmet dependencies on
> the SoundWire side.

Can we enable SDW/SOF also for the 5.8 stable kernel or some vital pieces are
missing in 5.8?

If I am not wrong, it's a 5.9 patch, right?

				Thank you,
					Jaroslav

-- 
Jaroslav Kysela <perex at perex.cz>
Linux Sound Maintainer; ALSA Project; Red Hat, Inc.