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

[Ben Dooks]

On 29/01/2020 10:49, Jon Hunter wrote:
> 
> 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
> 
Let's go back to S24_3LE isn't supportable, S24_LE is


-- 
Ben Dooks				http://www.codethink.co.uk/
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