[Sound-open-firmware] [RFC PATCH 0/4] SSP fixes

[Pierre-Louis Bossart]

I've had some of these patches on a work branch for some time now and
only found the time to rebase/clean them now. The most important parts
are support for DSP_A/B modes which never worked on Baytrail,
Cherrytrail and clarifications on how the MCLK/Bitclock are generated
on ApolloLake (parallel dividers instead of serial ones, allowing for
independent selection of the source and ratios)

I could use comments on the code. I still have a couple of tests to
run so it's not ready for integration but if I could have additional
reviews or tests in parallel it'd be nice. Thanks!

Pierre-Louis Bossart (4):
  ssp: rename clk_id as mclk_id, remove dead code
  apl-ssp: fix MCLK and BCLK source selection
  byt-ssp: fixes for DSP modes
  byt-ssp: fix frame sync polarity for DSP modes

 src/drivers/apl-ssp.c  | 132 +++++++++++++++++++++++++++++++++----------------
 src/drivers/byt-ssp.c  |  42 +++++-----------
 src/include/sof/ssp.h  |   5 ++
 src/include/uapi/ipc.h |   2 +-
 4 files changed, 107 insertions(+), 74 deletions(-)

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2.14.1