Re: [Xen-devel] [PATCH RESEND 00/11] ALSA: vsnd: Add Xen para-virtualized frontend driver

[Oleksandr Andrushchenko <andr2000@xxxxxxxxx>]

On 08/07/2017 03:09 PM, Takashi Sakamoto wrote:
> Hi,
>
> On Aug 7 2017 20:50, Oleksandr Andrushchenko wrote:
> > From: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>
> >
> > 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
> >
> > Resending because of rebase onto [2]
> >
> > [1] https://xenproject.org/
> > [2] 
> > https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/log/?h=for-next
> > 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.
really sorry for the mess :(
> 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 Iwai-san's tree.
I missed the very first patch in the series, this is why, my bad
> You still work on your local branch, not for us.
sorry
> Regards
>
> Takashi Sakamoto

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