Re: [Linux-kernel] [PATCH v5 2/7] ASoC: tegra: Allow 24bit and 32bit samples

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On 28/01/2020 12:13, Mark Brown wrote:
> I really don't understand why this is all taking so long, this thread
> just seems to be going round in interminable circles long after it
> looked like the issue was understood.  I have to admit I've not read
> every single message in the thread but it's difficult to see why it
> doesn't seem to be making any progress.

Sorry about that. On reviewing this with the audio team at NVIDIA, I was
told we don't support S24_LE for I2S. The reason being that the crossbar
between the DMA and I2S is not able to extract the correct 24-bits from
the 32-bit sample to feed to the I2S interface. The Tegra documentation
does show support for 24-bits, but not state explicit support for S24_LE.

Now Ben says that he has this working, but I am unable to reproduce
this, so before just dropping the S24_LE support, I would like to
understand how this is working for Ben in case there is something that
we have overlooked here.

Jon

-- 
nvpublic
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