tree 0c6e5576110caa82502fdc5a6c3215ea656488d3
parent e8e7ef43c73328276e1d446b02ae16006742ebb1
author Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> 1588346185 -0500
committer Mark Brown <broonie@kernel.org> 1588351522 +0100
gpgsig -----BEGIN PGP SIGNATURE-----
 
 iQFHBAABCgAxFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl6sUiITHGJyb29uaWVA
 a2VybmVsLm9yZwAKCRAk1otyXVSH0NyqB/9t9gxFCv77I+HApWNHTcC73nt5FIfY
 QTlk5CjHNuwrbKBdyenY772JalRGbpisPhskTMdDtBYPd9YOuSX07BRnt2Hdr/xS
 y2wJytuq7VOt2gW1LeR28vD8IIuuoJTiJoS2QP3Oj+ecGkGA4hJgT+N498tiXGco
 C7MJbpsMqoNfwteHbqSsIItqYujmASCGhN9Cvoi6fGglN3EFrHmLlTZS+kH6cx2m
 3os9WHGWAO31aqr4a4YkdM+8gwMFvD6mGFuzF1VkQebU4DSYUGi5uLh07WCcG7zo
 sKPphnEd/A33xSPsK9h4RURtHX/Si0dBIJd+bwDFK4/ctHJL2tByeYgf
 =06T2
 -----END PGP SIGNATURE-----

ASoC: Intel: boards: sof-wm8804: support for Hifiberry Digiplus boards

Add a new machine driver to interface with WM8804. The code is based
on settings found in sound/soc/bcm/hifiberry-digi.c in the Raspberry
PI tree.

Tested on Up2 with Digi+ IO (capture+playback) and Digi+ PRO (playback
with two local oscillators supported). The codec is clock master in
both cases.

Capture support has known clocking restrictions: the transmitter needs
to be active for the clock recovery, the "Tx Source" mixer set to
"S/PDIF RX". Playback will only work while capture is active.

When Capture is not desired, or when there is no RX connector, the "Tx
Source" mixer should be set to "AIF"

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20200501151625.17820-1-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>