Commit 2843531f authored by Oleksandr Andrushchenko's avatar Oleksandr Andrushchenko Committed by Juergen Gross

xen/sndif: add sound-device ABI

Add ABI for the two halves of a para-virtualized
sound driver to communicate with each other.

The ABI allows implementing audio playback and capture as
well as volume control and possibility to mute/unmute
audio sources.

Note: depending on the use-case backend can expose more sound
cards and PCM devices/streams than the underlying HW physically
has by employing SW mixers, configuring virtual sound streams,
channels etc. Thus, allowing fine tunned configurations per
frontend.
Signed-off-by: default avatarOleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: default avatarOleksandr Grytsov <oleksandr_grytsov@epam.com>
Signed-off-by: default avatarOleksandr Dmytryshyn <oleksandr.dmytryshyn@globallogic.com>
Signed-off-by: default avatarIurii Konovalenko <iurii.konovalenko@globallogic.com>
Acked-by: default avatarJuergen Gross <jgross@suse.com>
Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
parent f9ebfc22
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