From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Liam Girdwood <lrg@ti.com>
Cc: alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com
Subject: Re: [PATCH 1/3] ASoC: Add signal generator widget type
Date: Thu, 1 Dec 2011 15:59:56 +0000 [thread overview]
Message-ID: <20111201155956.GA18120@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1322754914.4712.5.camel@odin>
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.
prev parent reply other threads:[~2011-12-01 16:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-30 20:57 [PATCH 1/3] ASoC: Add signal generator widget type Mark Brown
2011-11-30 20:57 ` [PATCH 2/3] ASoC: Make WM5100 tone generator widgets signal generators Mark Brown
2011-11-30 20:57 ` [PATCH 3/3] ASoC: Make WM8962 beep a signal generator Mark Brown
2011-12-01 15:27 ` [PATCH 1/3] ASoC: Add signal generator widget type Liam Girdwood
2011-12-01 15:30 ` Mark Brown
2011-12-01 15:55 ` Liam Girdwood
2011-12-01 15:59 ` Mark Brown [this message]
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