ASoC: Intel: Add PM support to HSW/BDW PCM driver
authorLiam Girdwood <liam.r.girdwood@linux.intel.com>
Wed, 29 Oct 2014 17:40:43 +0000 (17:40 +0000)
committerMark Brown <broonie@kernel.org>
Wed, 29 Oct 2014 20:50:42 +0000 (20:50 +0000)
commit2e4f75919e5a02d605b0d84425251654d48fb056
tree781b0e06d9d848c73be4f259936289ca7f1c8a0d
parentaed3c7b77c85ed7060f1f56bfa909d2a86ab2a20
ASoC: Intel: Add PM support to HSW/BDW PCM driver

Add PM and RTD3 support to the HSW/BDW PCM driver. The PCM driver will
now save DSP context and then power off the DSP when it's not in use.
DSP power and context is then restored when it's next used.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/intel/sst-dsp.h
sound/soc/intel/sst-haswell-pcm.c