From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [PATCH 1/3] ASoC: Add signal generator widget type Date: Thu, 1 Dec 2011 15:59:56 +0000 Message-ID: <20111201155956.GA18120@opensource.wolfsonmicro.com> References: <1322686625-16488-1-git-send-email-broonie@opensource.wolfsonmicro.com> <1322753220.4712.2.camel@odin> <20111201153050.GA28076@sirena.org.uk> <1322754914.4712.5.camel@odin> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from opensource.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id 2203724142 for ; Thu, 1 Dec 2011 17:00:00 +0100 (CET) Content-Disposition: inline In-Reply-To: <1322754914.4712.5.camel@odin> 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: Liam Girdwood Cc: alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com List-Id: alsa-devel@alsa-project.org On Thu, Dec 01, 2011 at 03:55:14PM +0000, Liam Girdwood wrote: > On Thu, 2011-12-01 at 15:30 +0000, Mark Brown wrote: > > It's a signal source - in terms of the DAPM graph and figuring out a > > route from an input to an output it's an input. > Ah, OK - I'm thinking here of an internal signal generator (i.e. coming > from within platform/codec). e.g. we could add a simple sine wave > generator to OMAP4 ABE for test/debug purposes. Yeah, that's exactly the sort of thing that this is for in the first instance (though in the WM8962 case it's a bit more fully featured than that). If they are output widgets DAPM looks for something to input data to them, can't find one and does the wrong thing.