From: Clemens Ladisch <clemens-P6GI/4k7KOmELgA04lAiVw@public.gmane.org>
To: Bryan Wu <cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: "linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
ALSA devel <alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org>
Subject: Re: [alsa-devel] Some idea about usb audio gadget driver.
Date: Wed, 24 Sep 2008 09:15:00 +0200 [thread overview]
Message-ID: <48D9E8F4.4060909@ladisch.de> (raw)
In-Reply-To: <386072610809230250w2e43c20ei89076a8db62c5044-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
Bryan Wu wrote:
> - A new usb gadget driver which recognized by Linux/Windows PC as an
> USB audio card.
> - There is an ALSA sound card on the same embedded device.
> - The usb gadget driver receives audio data from host and send them
> to ALSA sound card to playback
> ...
> - Is there any similar things on this planet?
> - How about gmidi usb midi gadget driver?
gmidi does not access other sound cards; it makes the USB MIDI interface
available to userspace.
> - How can I open/playback/record/close a ALSA sound card in kernel
> space not using alsalib in user space?
If you really want to do this in the kernel, have a look at the OSS
emulation (sound/core/oss/).
Regards,
Clemens
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prev parent reply other threads:[~2008-09-24 7:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-23 9:50 Some idea about usb audio gadget driver Bryan Wu
2008-09-23 10:45 ` Felipe Balbi
2008-09-23 12:08 ` Matthieu CASTET
[not found] ` <386072610809230250w2e43c20ei89076a8db62c5044-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-09-24 7:15 ` Clemens Ladisch [this message]
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