linux-kernel - [PATCH 00/11] ALSA: vsnd: Add Xen para-virtualized frontend driver

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Message-Id: <1502091796-14413-1-git-send-email-andr2000@gmail.com>
Date:   Mon,  7 Aug 2017 10:43:05 +0300
From:   Oleksandr Andrushchenko <andr2000@...il.com>
To:     alsa-devel@...a-project.org, xen-devel@...ts.xen.org,
        linux-kernel@...r.kernel.org
Cc:     perex@...ex.cz, tiwai@...e.com, andr2000@...il.com,
        Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>
Subject: [PATCH 00/11] ALSA: vsnd: Add Xen para-virtualized frontend driver

From: Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>

This patch series adds support for Xen [1] 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.

Thank you,
Oleksandr

[1] https://xenproject.org/

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(+)

-- 
2.7.4