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From: Mark Brown <broonie@sirena.org.uk>
To: Timur Tabi <timur@freescale.com>
Cc: tiwai@suse.de, alsa-devel@alsa-project.org
Subject: Re: [PATCH 1/3] ASoC: cs4270: fix Master Capture Switch polarity
Date: Sun, 26 Apr 2009 10:49:17 +0100	[thread overview]
Message-ID: <20090426094917.GA4760@sirena.org.uk> (raw)
In-Reply-To: <49F1DE99.7050104@freescale.com>

On Fri, Apr 24, 2009 at 10:45:29AM -0500, Timur Tabi wrote:
> Daniel Mack wrote:
> > The control modifies the MUTE register, hence the polarity must be
> > inverted.

>                             L    R
>                             CAPTUR
> 
>                           < Master >

> What exactly does this mean?  Which one is supposed to mean "muted"?

Capture is enabled in the picture above; often when the alsamixer UI is
confusing amixer is a bit clearer about what's going on.

> And how come even though this switch is a SOC_DOUBLE, I cannot control
> the left and right channel independently with the < and > keys, and the
> "M" key doesn't toggle it either.

This is a property of capture controls.  I'm not entirely sure why,
CCing in Takashi who should be able to offer more knowledgable comment.

  parent reply	other threads:[~2009-04-26  9:49 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-24 13:00 [PATCH 1/3] ASoC: cs4270: fix Master Capture Switch polarity Daniel Mack
2009-04-24 13:00 ` [PATCH 2/3] ASoC: cs4270: add Master Playback Switch Daniel Mack
2009-04-24 13:02   ` Daniel Mack
2009-04-24 13:17   ` Mark Brown
2009-04-24 13:52     ` Daniel Mack
2009-04-24 13:54       ` Mark Brown
2009-04-24 13:59         ` Daniel Mack
2009-04-24 14:37       ` [PATCH 1/2] ASoC: add SOC_DOUBLE_EXT macro Daniel Mack
2009-04-24 14:37         ` [PATCH 2/2] ASoC: cs4270: add Master Playback Switch Daniel Mack
2009-04-27 13:55           ` Timur Tabi
2009-04-24 15:45 ` [PATCH 1/3] ASoC: cs4270: fix Master Capture Switch polarity Timur Tabi
2009-04-24 16:08   ` Daniel Mack
2009-04-24 16:13     ` Timur Tabi
2009-04-24 16:21       ` Daniel Mack
2009-04-26  9:49   ` Mark Brown [this message]
2009-04-26 11:08     ` Takashi Iwai
2009-04-26 11:21       ` Mark Brown
2009-04-26 16:56         ` Takashi Iwai
2009-04-26 11:30       ` Daniel Mack
2009-04-26 16:52         ` Takashi Iwai
2009-04-27  9:37           ` Daniel Mack
2009-04-27  9:38             ` Mark Brown
2009-04-27 12:54               ` Timur Tabi
2009-04-27 13:53 ` Timur Tabi

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