[alsa-devel] [PATCH v1 0/5] ALSA: hda - Add DP-MST support for NVIDIA codecs

[Nikhil Mahale]

Today, DisplayPort multi-stream transport (DP-MST) audio is not
supported on codec drivers which don't use the audio component
(acomp) binding.

The commit ade49db337a9 (ALSA: hda/hdmi - Allow audio component for
AMD/ATI and Nvidia HDMI) added the DRM audio component binding for
the NVIDIA codec drivers, but the traditional HD-audio unsolicited
event code path is still in use by the proprietary NVIDIA graphics
driver.

This patch set adds DP-MST audio support for non-acomp codec drivers
which use the traditional HD-audio unsolicited event code path. This
patch set adds DP-MST support for NVIDIA codecs.

The patch set has been tested for HDMI/DP-SST/DP-MST(4 dp-mst audio
streams) configurations on NVIDIA Kepler and Maxwell GPUs, using
both the nouveau driver and the proprietary NVIDIA graphics driver.

Nikhil Mahale (5):
  ALSA: hda - Rename snd_hda_pin_sense to snd_hda_jack_pin_sense
  ALSA: hda - Add DP-MST jack support
  ALSA: hda - Add DP-MST conn list support
  ALSA: hda - Add DP-MST support for non-acomp codecs
  ALSA: hda - Add DP-MST support for NVIDIA codecs

 sound/pci/hda/hda_codec.c      |   5 +-
 sound/pci/hda/hda_generic.c    |  16 +--
 sound/pci/hda/hda_jack.c       | 111 ++++++++++++------
 sound/pci/hda/hda_jack.h       |  26 +++--
 sound/pci/hda/patch_ca0132.c   |  24 ++--
 sound/pci/hda/patch_cirrus.c   |   4 +-
 sound/pci/hda/patch_conexant.c |   2 +-
 sound/pci/hda/patch_hdmi.c     | 255 +++++++++++++++++++++++++++++------------
 sound/pci/hda/patch_realtek.c  |  46 ++++----
 sound/pci/hda/patch_sigmatel.c |  12 +-
 10 files changed, 333 insertions(+), 168 deletions(-)

-- 
2.16.4