From: Peter Ujfalusi <peter.ujfalusi@ti.com>
To: Daniel Mack <zonque@gmail.com>, Mark Brown <broonie@kernel.org>,
Liam Girdwood <lgirdwood@gmail.com>
Cc: alsa-devel@alsa-project.org, jsarha@ti.com
Subject: Re: [PATCH 0/7] ASoC:davinci-mcasp: bc polarity fix and proper format support
Date: Fri, 4 Apr 2014 19:38:22 +0300 [thread overview]
Message-ID: <533EDFFE.2060501@ti.com> (raw)
In-Reply-To: <533EB282.6080906@gmail.com>
Hi Daniel,
On 04/04/2014 04:24 PM, Daniel Mack wrote:
> Hi Peter,
>
> On 04/04/2014 01:31 PM, Peter Ujfalusi wrote:
>> The bit clock polarity has been configured incorrectly in the McASP driver for a
>> long time. IB_NF, NB_IF and IB_IF was not correct on the receive side since they
>> were selecting the same edge as we used for the tx.
>>
>> The driver only had support for DSP_B mode (and probably AC97, but I can not
>> test that). All other formats were broken (DSP_A, I2S, LEFT_J, etc).
>
> Well, we're using this driver in I2S mode for a number of devices since
> a while, so the above statement is not entirely true :)
True, you could select I2S and ask for inverted frame sync with the old code.
However if you ask for DSP_A, LEFT_J, etc it was doing the wrong thing.
> The cleanups look sane, though. I can test them on AM33xx based hardware
> early next week. If you don't want to hold them off until then, no
> problem. I can also send fixups in case I spot a regression.
That would be great if you could also test these. It seams you have quite good
array of codecs available.
> Out of interest: which hardware and which dai format are you testing
> this with?
I have one AM335x board, one AM437x and one DRA7 where I can test right now. I
just go one OMAP-l138 board which I need to set up. It is good for legacy (non
DT boot) debugging.
>
>
> Thanks,
> Daniel
>
--
Péter
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next prev parent reply other threads:[~2014-04-04 16:38 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-04 11:31 [PATCH 0/7] ASoC:davinci-mcasp: bc polarity fix and proper format support Peter Ujfalusi
2014-04-04 11:31 ` [PATCH 1/7] ASoC: davinci-mcasp: Fix bit clock polarity settings Peter Ujfalusi
2014-04-08 18:04 ` Mark Brown
2014-04-04 11:31 ` [PATCH 2/7] ASoC: davinci-mcasp: Format data delay configuration enhancement Peter Ujfalusi
2014-04-04 11:31 ` [PATCH 3/7] ASoC: davinci-mcasp: Support for DSP_A format Peter Ujfalusi
2014-04-04 11:31 ` [PATCH 4/7] ASoC: davinci-mcasp: Move the FS polarity change out from the switch case Peter Ujfalusi
2014-04-04 11:31 ` [PATCH 5/7] ASoC: davinci-mcasp: Add support for I2S format Peter Ujfalusi
2014-04-04 11:31 ` [PATCH 6/7] ASoC: davinci-mcasp: Support for LEFT_J format Peter Ujfalusi
2014-04-04 11:31 ` [PATCH 7/7] ASoC: davinci-mcasp: Remove excess empty lines from davinci_mcasp_set_dai_fmt() Peter Ujfalusi
2014-04-04 13:24 ` [PATCH 0/7] ASoC:davinci-mcasp: bc polarity fix and proper format support Daniel Mack
2014-04-04 16:38 ` Peter Ujfalusi [this message]
2014-04-09 12:12 ` Daniel Mack
2014-04-09 12:51 ` Peter Ujfalusi
2014-04-14 16:24 ` Mark Brown
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