[PATCH v4 0/9] ALSA: add virtio sound driver

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This series implements a driver part of the virtio sound device
specification v8 [1].

The driver supports PCM playback and capture substreams, jack and
channel map controls. A message-based transport is used to write/read
PCM frames to/from a device.

As a device part was used OpenSynergy proprietary implementation.

v4 changes:
 - fixed sparse warnings, no functional change

[1] https://lists.oasis-open.org/archives/virtio-dev/202003/msg00185.html


Anton Yakovlev (9):
  uapi: virtio_ids: add a sound device type ID from OASIS spec
  ALSA: virtio: add virtio sound driver
  ALSA: virtio: handling control messages
  ALSA: virtio: build PCM devices and substream hardware descriptors
  ALSA: virtio: handling control and I/O messages for the PCM device
  ALSA: virtio: PCM substream operators
  ALSA: virtio: introduce jack support
  ALSA: virtio: introduce PCM channel map support
  ALSA: virtio: introduce device suspend/resume support

 MAINTAINERS                     |   9 +
 include/uapi/linux/virtio_ids.h |   1 +
 include/uapi/linux/virtio_snd.h | 334 +++++++++++++++++++++
 sound/Kconfig                   |   2 +
 sound/Makefile                  |   3 +-
 sound/virtio/Kconfig            |  10 +
 sound/virtio/Makefile           |  13 +
 sound/virtio/virtio_card.c      | 462 +++++++++++++++++++++++++++++
 sound/virtio/virtio_card.h      | 113 ++++++++
 sound/virtio/virtio_chmap.c     | 219 ++++++++++++++
 sound/virtio/virtio_ctl_msg.c   | 310 ++++++++++++++++++++
 sound/virtio/virtio_ctl_msg.h   |  78 +++++
 sound/virtio/virtio_jack.c      | 233 +++++++++++++++
 sound/virtio/virtio_pcm.c       | 499 ++++++++++++++++++++++++++++++++
 sound/virtio/virtio_pcm.h       | 121 ++++++++
 sound/virtio/virtio_pcm_msg.c   | 392 +++++++++++++++++++++++++
 sound/virtio/virtio_pcm_ops.c   | 491 +++++++++++++++++++++++++++++++
 17 files changed, 3289 insertions(+), 1 deletion(-)
 create mode 100644 include/uapi/linux/virtio_snd.h
 create mode 100644 sound/virtio/Kconfig
 create mode 100644 sound/virtio/Makefile
 create mode 100644 sound/virtio/virtio_card.c
 create mode 100644 sound/virtio/virtio_card.h
 create mode 100644 sound/virtio/virtio_chmap.c
 create mode 100644 sound/virtio/virtio_ctl_msg.c
 create mode 100644 sound/virtio/virtio_ctl_msg.h
 create mode 100644 sound/virtio/virtio_jack.c
 create mode 100644 sound/virtio/virtio_pcm.c
 create mode 100644 sound/virtio/virtio_pcm.h
 create mode 100644 sound/virtio/virtio_pcm_msg.c
 create mode 100644 sound/virtio/virtio_pcm_ops.c

-- 
2.30.0


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