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authorOleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>2018-05-14 09:27:37 +0300
committerTakashi Iwai <tiwai@suse.de>2018-05-16 13:58:36 +0300
commitcc3196ae197c28cd6db0a2e9ddddc2e0aa1e694f (patch)
tree561d3805088ea7ab71c0ef0ad32f4458f6905807 /sound/xen/Kconfig
parent6d08b06e67cd117f6992c46611dfb4ce267cd71e (diff)
downloadlinux-cc3196ae197c28cd6db0a2e9ddddc2e0aa1e694f.tar.xz
ALSA: xen-front: Introduce Xen para-virtualized sound frontend driver
Introduce skeleton of the para-virtualized Xen sound frontend driver. Initial handling for Xen bus states: implement Xen bus state machine for the frontend driver according to the state diagram and recovery flow from sound para-virtualized protocol: xen/interface/io/sndif.h. Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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diff --git a/sound/xen/Kconfig b/sound/xen/Kconfig
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+# ALSA Xen drivers
+
+config SND_XEN_FRONTEND
+ tristate "Xen para-virtualized sound frontend driver"
+ depends on XEN
+ select SND_PCM
+ select XEN_XENBUS_FRONTEND
+ help
+ Choose this option if you want to enable a para-virtualized
+ frontend sound driver for Xen guest OSes.