[alsa-devel] [PATCH v4 0/5] Add support for Legacy HDMI audio drivers

[Jerome Anand]

Legacy (CherryTrail/ Baytrail) HDMI audio drivers added
Legacy hdmi audio-Gfx interaction/ interfacing is updated to use 
irq chip framework

This patch series has only been tested on hardware with 
a single HDMI connector/pipe and additional work may be needed for newer 
machines with 2 connectors

Jerome Anand (5):
  drm/i915: setup bridge for HDMI LPE audio driver
  drm/i915: Add support for audio driver notifications
  ALSA: add Intel HDMI LPE audio driver for BYT/CHT-T
  ALSA: x86: hdmi: Add audio support for BYT and CHT
  ALSA: x86: hdmi: continue playback even when display resolution
    changes

 Documentation/gpu/i915.rst             |    9 +
 drivers/gpu/drm/i915/Makefile          |    3 +
 drivers/gpu/drm/i915/i915_drv.c        |    8 +-
 drivers/gpu/drm/i915/i915_drv.h        |   17 +
 drivers/gpu/drm/i915/i915_irq.c        |   16 +
 drivers/gpu/drm/i915/i915_reg.h        |    3 +
 drivers/gpu/drm/i915/intel_audio.c     |    8 +
 drivers/gpu/drm/i915/intel_hdmi.c      |    1 +
 drivers/gpu/drm/i915/intel_lpe_audio.c |  388 +++++++
 include/drm/intel_lpe_audio.h          |   46 +
 sound/Kconfig                          |    2 +
 sound/Makefile                         |    2 +-
 sound/x86/Kconfig                      |   15 +
 sound/x86/Makefile                     |    6 +
 sound/x86/intel_hdmi_audio.c           | 1870 ++++++++++++++++++++++++++++++++
 sound/x86/intel_hdmi_audio.h           |  197 ++++
 sound/x86/intel_hdmi_audio_if.c        |  551 ++++++++++
 sound/x86/intel_hdmi_lpe_audio.c       |  617 +++++++++++
 sound/x86/intel_hdmi_lpe_audio.h       |  683 ++++++++++++
 19 files changed, 4439 insertions(+), 3 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/intel_lpe_audio.c
 create mode 100644 include/drm/intel_lpe_audio.h
 create mode 100644 sound/x86/Kconfig
 create mode 100644 sound/x86/Makefile
 create mode 100644 sound/x86/intel_hdmi_audio.c
 create mode 100644 sound/x86/intel_hdmi_audio.h
 create mode 100644 sound/x86/intel_hdmi_audio_if.c
 create mode 100644 sound/x86/intel_hdmi_lpe_audio.c
 create mode 100644 sound/x86/intel_hdmi_lpe_audio.h

-- 
2.9.3

base-commit: eb5c556a1e5eff388e48e4b7cf61e95783019e83