From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Mack Subject: Re: usb- interface - HID type Date: Mon, 30 Nov 2009 09:19:20 +0100 Message-ID: <20091130081920.GX29442@buzzloop.caiaq.de> References: <1257435101.25623.1.camel@localhost> <1257720370-23012-1-git-send-email-GNUtoo@no-log.org> <20091113145050.GC30966@sirena.org.uk> <1259536602.3374.129.camel@gnutoo-desktop> <1259538217.24419.1.camel@gnutoo-desktop> <4B135345.1030906@india.nsc.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from buzzloop.caiaq.de (buzzloop.caiaq.de [212.112.241.133]) by alsa0.perex.cz (Postfix) with ESMTP id 9EDB8103825 for ; Mon, 30 Nov 2009 09:19:23 +0100 (CET) Content-Disposition: inline In-Reply-To: <4B135345.1030906@india.nsc.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: M R Swami Reddy Cc: "alsa-devel@alsa-project.org" List-Id: alsa-devel@alsa-project.org On Mon, Nov 30, 2009 at 10:38:21AM +0530, M R Swami Reddy wrote: > I have a sound card with I2C/PCM interface supported. I am in the > process of evaluate > the same using USB interface with HID interface class (ie > bInterfaceClass ->3 Human Interface Device). > Could you please suggest, if the usb interface HID class could be used > for sending Audio and PCM > signals? As of the USB logic, the ALSA driver should grab the audio interface while at the same time, the HID driver uses the other interface. Assuming that both interfaces are in the same USB config. HTH, Daniel