Re: Sound userspace drivers (fishing for insight)

From: John Richard Moser
Date: Wed Mar 08 2006 - 15:08:53 EST


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Takashi Iwai wrote:
> At Wed, 08 Mar 2006 13:56:06 -0500,
> John Richard Moser wrote:
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>> 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.
>

Ahh nice, I was always looking for /dev/dsp :>

>
> Takashi
>

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