From mboxrd@z Thu Jan 1 00:00:00 1970 From: Clemens Ladisch Subject: Re: [alsa-devel] Some idea about usb audio gadget driver. Date: Wed, 24 Sep 2008 09:15:00 +0200 Message-ID: <48D9E8F4.4060909@ladisch.de> References: <386072610809230250w2e43c20ei89076a8db62c5044@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <386072610809230250w2e43c20ei89076a8db62c5044-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Bryan Wu Cc: "linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , ALSA devel List-Id: alsa-devel@alsa-project.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 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html