From: Takashi Iwai <tiwai@suse.de>
To: John Richard Moser <nigelenki@comcast.net>
Cc: Jaroslav Kysela <perex@suse.cz>, linux-kernel@vger.kernel.org
Subject: Re: Sound userspace drivers (fishing for insight)
Date: Wed, 08 Mar 2006 20:08:09 +0100 [thread overview]
Message-ID: <s5h64moeova.wl%tiwai@suse.de> (raw)
In-Reply-To: <440F28C6.6050508@comcast.net>
At Wed, 08 Mar 2006 13:56:06 -0500,
John Richard Moser wrote:
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Takashi Iwai wrote:
> > At Wed, 08 Mar 2006 11:17:26 -0500,
> > John Richard Moser wrote:
> >>>> into the kernel; with alsa it's written to a /proc interface, which
> >>> Using /proc? Where? I've not noticed it :-)
> >> I thought that was what /proc/asound/card0/ was for? :)
> >
> > /proc is not referred from alsa-lib, i.e. programs don't access them.
> > It's just for users who want to read some information.
> >
>
> This makes me wonder then how stuff is set up. There's no device, is
> there a sound card syscall now?
You must have /dev/snd/* files, and the access is via normal
syscalls... Check strace of your program.
Takashi
next prev parent reply other threads:[~2006-03-08 19:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-08 4:02 John Richard Moser
2006-03-08 8:44 ` Jaroslav Kysela
2006-03-08 16:17 ` John Richard Moser
2006-03-08 18:44 ` Takashi Iwai
2006-03-08 18:56 ` John Richard Moser
2006-03-08 19:08 ` Takashi Iwai [this message]
2006-03-08 20:10 ` John Richard Moser
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