drm/i2c: tda998x ASoC hdmi-codec support + BeagleBoneBlack audio support

Changes since first version [1] of this series:
- "drm/i2c: tda998x: Improve tda998x_configure_audio() audio related pdata"
- Change audio in tda998x pdata to audio_params to match the naming in private data struct
- Skip IEC958_AES2 byte when writing status bytes to registers
- Turn AFMT-macros to enum
- include linux/hdmi.h in drm/i2c/tda998x.h
- "drm/i2c: tda998x: Register ASoC hdmi-codec and add audio DT binding"
- Fix macronaming naming in dt-bindings/display/tda998x.h
- Turn AFMT-macros to enum
- Add locking to protect access to audio registers from ASoC thread
- "dts/am335x-boneblack: SQUASH"
- Use corrected macros from dt-bindings/display/tda998x.h

[1] https://lists.freedesktop.org/archives/dri-devel/2016-August/114491.html

Jyri Sarha (3):
drm/i2c: tda998x: Improve tda998x_configure_audio() audio related
pdata
drm/i2c: tda998x: Register ASoC hdmi-codec and add audio DT binding
ARM: dts: am335x-boneblack: Add HDMI audio support

 .../devicetree/bindings/display/bridge/tda998x.txt |  18 ++
 arch/arm/boot/dts/am335x-boneblack.dts             |  71 ++++-
 drivers/gpu/drm/i2c/Kconfig                        |   1 +
 drivers/gpu/drm/i2c/tda998x_drv.c                  | 297 ++++++++++++++++++---
 include/drm/i2c/tda998x.h                          |  29 +-
 include/dt-bindings/display/tda998x.h              |   7 +
 6 files changed, 368 insertions(+), 55 deletions(-)
 create mode 100644 include/dt-bindings/display/tda998x.h

1.9.1