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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 18:49:10 -0500	[thread overview]
Message-ID: <1141688951.25487.93.camel@mindpipe> (raw)
In-Reply-To: <1141688305.9230.26.camel@localhost.localdomain>

On Mon, 2006-03-06 at 23:38 +0000, Adrian McMenamin wrote:
> On Mon, 2006-03-06 at 18:11 -0500, Lee Revell wrote:
> > On Mon, 2006-03-06 at 22:27 +0000, Adrian McMenamin wrote:
> > > I have an interrupt handler in my sound driver that calls this:
> > 
> > You never explained why you want to create a kernel thread rather than
> > implementing copy/silence callbacks like the docs say.
> > 
> > Lee
> 
> Reading through the notes it states:
> 
> "The third argument (pos) points the current position offset in frames."
> 
> Presumably that means the position in the playback ring buffer? It's not
> at all clear. 

Yes.  If the buffer contains 1024 frames then pos will range from 0 to
1023.

Lee



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  parent reply	other threads:[~2006-03-06 23:49 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
     [not found]   ` <1141688305.9230.26.camel@localhost.localdomain>
2006-03-06 23:49     ` Lee Revell [this message]
2006-03-06 22:27 Adrian McMenamin

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