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ALSA: virtio: add virtio sound driver

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Introduce skeleton of the virtio sound driver. The driver implements
the virtio sound device specification, which has become part of the
virtio standard.

Initial initialization of the device, virtqueues and creation of an
empty ALSA sound device.

Signed-off-by: Anton Yakovlev <anton.yakovlev@opensynergy.com>
Link: https://lore.kernel.org/r/20210302164709.3142702-3-anton.yakovlev@opensynergy.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Anton Yakovlev 2021-03-02 17:47:02 +01:00 • committed by Takashi Iwai
parent 0ae0337f92
commit de3a9980d8
8 changed files with 753 additions and 1 deletions
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3
sound/Makefile
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@ -5,7 +5,8 @@
obj-$(CONFIG_SOUND) += soundcore.o
obj-$(CONFIG_DMASOUND) += oss/dmasound/
obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ sh/ synth/ usb/ \
firewire/ sparc/ spi/ parisc/ pcmcia/ mips/ soc/ atmel/ hda/ x86/ xen/
firewire/ sparc/ spi/ parisc/ pcmcia/ mips/ soc/ atmel/ hda/ x86/ xen/ \
virtio/
obj-$(CONFIG_SND_AOA) += aoa/
# This one must be compilable even if sound is configured out