From: Lee Revell <rlrevell@joe-job.com>
To: Adrian McMenamin <adrian@mcmen.demon.co.uk>
Cc: linux-sh <linuxsh-dev@lists.sourceforge.net>,
alsa-devel@alsa-project.org
Subject: Re: kernel threads etc
Date: Mon, 06 Mar 2006 19:26:49 -0500 [thread overview]
Message-ID: <1141691210.25487.110.camel@mindpipe> (raw)
In-Reply-To: <1141690313.9230.32.camel@localhost.localdomain>
On Tue, 2006-03-07 at 00:11 +0000, Adrian McMenamin wrote:
> > When I think of soundcard DMA I mean that you tell the card where in
> > host memory the buffer is, then to start the DMA, and from then on,
> > until you stop it, the device will automatically write audio into
> that
> > area of host memory until you tell it to stop.
> >
> By buffer you mean the sound card buffer? I don't have that luxury I'm
> afraid. I've got real dma though, just not of that kind.
>
Modern PCI soundcards don't have any buffers of their own - all they can
do is DMA to/from host memory.
Lee
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next prev parent reply other threads:[~2006-03-07 0:26 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1141684061.9230.15.camel@localhost.localdomain>
2006-03-06 23:11 ` kernel threads etc Lee Revell
2006-03-06 23:29 ` Adrian McMenamin
2006-03-06 23:38 ` Adrian McMenamin
[not found] ` <1141687750.9230.24.camel@localhost.localdomain>
2006-03-06 23:48 ` Lee Revell
2006-03-07 0:11 ` Adrian McMenamin
[not found] ` <1141690313.9230.32.camel@localhost.localdomain>
2006-03-07 0:22 ` Lee Revell
2006-03-07 21:19 ` Adrian McMenamin
2006-03-07 21:29 ` Lee Revell
2006-03-07 21:32 ` Adrian McMenamin
[not found] ` <1141767139.9232.17.camel@localhost.localdomain>
2006-03-07 21:36 ` Lee Revell
2006-03-07 23:28 ` Adrian McMenamin
2006-03-07 0:26 ` Lee Revell [this message]
[not found] ` <1141688305.9230.26.camel@localhost.localdomain>
2006-03-06 23:49 ` Lee Revell
2006-03-06 22:27 Adrian McMenamin
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