On Aug 7 2017 20:50, Oleksandr Andrushchenko wrote:
From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com>
This patch series adds support for Xen  para-virtualized
sound frontend driver. It implements the protocol from
include/xen/interface/io/sndif.h with the following limitations:
- mute/unmute is not supported
- get/set volume is not supported
Volume control is not supported for the reason that most of the
use-cases (at the moment) are based on scenarious where
unprivileged OS (e.g. Android, AGL etc) use software mixers.
Both capture and playback are supported.
Resending because of rebase onto 
Oleksandr Andrushchenko (11):
ALSA: vsnd: Implement driver's probe/remove
ALSA: vsnd: Implement Xen bus state handling
ALSA: vsnd: Read sound driver configuration from Xen store
ALSA: vsnd: Implement Xen event channel handling
ALSA: vsnd: Implement handling of shared buffers
ALSA: vsnd: Introduce ALSA virtual sound driver
ALSA: vsnd: Initialize virtul sound card
ALSA: vsnd: Add timer for period interrupt emulation
ALSA: vsnd: Implement ALSA PCM operations
ALSA: vsnd: Implement communication with backend
ALSA: vsnd: Introduce Kconfig option to enable Xen PV sound
sound/drivers/Kconfig | 12 +
sound/drivers/Makefile | 2 +
sound/drivers/xen-front.c | 2029 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 2043 insertions(+)
This patchset is not proper yet.
Your first patch includes code difference under line 26, thus it expects
existence of a file 'sound/drivers/xen-front.c' in tree. However, the
file is not introduced in any upstream yet; at least, Linus's tree and
You still work on your local branch, not for us.