From: Jarkko Nikula <jarkko.nikula@nokia.com>
To: ext Mark Brown <broonie@sirena.org.uk>
Cc: "sakoman@gmail.com" <sakoman@gmail.com>,
"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
"Ujfalusi Peter (Nokia-D/Tampere)" <peter.ujfalusi@nokia.com>
Subject: Re: [PATCH 1/6] ASoC: OMAP mcbsp: Add DSP_A support
Date: Wed, 8 Apr 2009 09:08:16 +0300 [thread overview]
Message-ID: <20090408090816.7e780975.jarkko.nikula@nokia.com> (raw)
In-Reply-To: <20090407221404.GA8465@sirena.org.uk>
On Wed, 8 Apr 2009 00:14:05 +0200
ext Mark Brown <broonie@sirena.org.uk> wrote:
> The TWL4030 datasheet does not appear to be a model of clarity in this
> area but it looks awfully like mode A with an inverted bit clock (the
> data appears to be being driven rather than sampled on the rising edge
> but the first bit does start on the falling edge of the frame clock).
> This means the Beagle code looks about right unless I'm misreading
> something.
What I've seen few codec specs there is no uniform way for different
DSP formats between their specifications except Wolfson codecs. So I
use to keep those as a reference and match codec accordingly. Like in
AIC3x where bit-clock polarity is fixed.
Jarkko
next prev parent reply other threads:[~2009-04-08 6:08 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-06 12:19 [PATCH 0/6] ASoC: 4 channel support for twl4030 and omap-mcbsp Peter Ujfalusi
2009-04-06 12:19 ` [PATCH 1/6] ASoC: OMAP mcbsp: Add DSP_A support Peter Ujfalusi
2009-04-06 12:19 ` [PATCH 2/6] ASoC: OMAP mcbsp: Add 4 channel support Peter Ujfalusi
2009-04-06 12:19 ` [PATCH 3/6] ASoC: TWL4030: Enable all audio paths Peter Ujfalusi
2009-04-06 12:19 ` [PATCH 4/6] ASoC: TWL4030: Add 4 channel TDM support Peter Ujfalusi
2009-04-06 12:19 ` [PATCH 5/6] ASoC: TWL4030: Add constraints for 4 channel mode Peter Ujfalusi
2009-04-06 12:19 ` [PATCH 6/6] ASoC: Beagle: Add support " Peter Ujfalusi
2009-04-06 12:50 ` Mark Brown
2009-04-07 4:45 ` Peter Ujfalusi
2009-04-06 12:45 ` [PATCH 3/6] ASoC: TWL4030: Enable all audio paths Mark Brown
2009-04-07 4:59 ` Peter Ujfalusi
2009-04-07 9:45 ` Mark Brown
2009-04-07 10:30 ` Peter Ujfalusi
2009-04-07 21:02 ` Mark Brown
2009-04-06 12:22 ` [PATCH 1/6] ASoC: OMAP mcbsp: Add DSP_A support Mark Brown
2009-04-06 12:37 ` Peter Ujfalusi
2009-04-07 5:19 ` Peter Ujfalusi
2009-04-07 22:14 ` Mark Brown
2009-04-08 6:01 ` Peter Ujfalusi
2009-04-08 9:30 ` Mark Brown
2009-04-08 6:08 ` Jarkko Nikula [this message]
2009-04-08 9:28 ` Mark Brown
2009-04-07 5:45 ` [PATCH 0/6] ASoC: 4 channel support for twl4030 and omap-mcbsp Jarkko Nikula
2009-04-07 6:32 ` Peter Ujfalusi
2009-04-08 6:23 ` Jarkko Nikula
2009-04-08 9:53 ` Mark Brown
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