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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Shawn Guo <shawn.guo@linaro.org>
Cc: Fabio Estevam <fabio.estevam@freescale.com>,
	alsa-devel@alsa-project.org, Liam Girdwood <lrg@ti.com>,
	Zeng Zhaoming <zengzm.kernel@gmail.com>
Subject: Re: [PATCH 1/2] ASoC: sgtl5000: Convert mic bias to a supply widget
Date: Thu, 29 Mar 2012 11:56:46 +0100	[thread overview]
Message-ID: <20120329105646.GB3668@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <20120329052410.GA19506@S2101-09.ap.freescale.net>


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On Thu, Mar 29, 2012 at 01:24:13PM +0800, Shawn Guo wrote:
> On Wed, Mar 28, 2012 at 08:53:45PM +0100, Mark Brown wrote:

> > -	SND_SOC_DAPM_MICBIAS_E("Mic Bias", SGTL5000_CHIP_MIC_CTRL, 8, 0,
> > -				mic_bias_event,
> > -				SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
> > +	SND_SOC_DAPM_SUPPLY("Mic Bias", SGTL5000_CHIP_MIC_CTRL, 8, 0,
> > +			    mic_bias_event,
> > +			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),

> It breaks my capture testing.

Well, any capture testing that uses mic bias shouldn't work in mainline
anyway - there's no hookup in the machine driver.

> I'm not sure these two macros are equivalent, since they have different
> .id assignment.  To quickly confirm the problem, I have the capture
> back to work with the following change.

You'll need to change the hookup in your machine to adapt to the change
of widget type - see the previous conversions that have been done in git
history for examples.  No device tree bindings should be using old style
mic bias hookups.

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  reply	other threads:[~2012-03-29 10:56 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-28 19:53 [PATCH 1/2] ASoC: sgtl5000: Convert mic bias to a supply widget Mark Brown
2012-03-28 19:53 ` [PATCH 2/2] ASoC: dapm: Remove SND_SOC_DAPM_MICBIAS_E() Mark Brown
2012-03-28 23:02   ` WM8994 playback delay Sangbeom Kim
2012-03-29 10:50     ` Mark Brown
2012-03-29  3:40 ` [PATCH 1/2] ASoC: sgtl5000: Convert mic bias to a supply widget Dong Aisheng
2012-03-29  5:24 ` Shawn Guo
2012-03-29 10:56   ` Mark Brown [this message]
2012-03-29 14:11     ` Shawn Guo

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