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

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On 05/01/2020 10:53, Ben Dooks wrote:
> 
> 
> On 2020-01-05 01:48, Dmitry Osipenko wrote:
>> 05.01.2020 03:04, Ben Dooks пишет:
>>> [snip]
>>>
>>> I've just gone through testing.
>>>
>>> Some simple data tests show 16 and 32-bits work.
>>>
>>> The 24 bit case seems to be weird, it looks like the 24-bit expects
>>> 24 bit samples in 32 bit words. I can't see any packing options to
>>> do 24 bit in 24 bit, so we may have to remove 24 bit sample support
>>> (which is a shame)
>>>
>>> My preference is to remove the 24-bit support and keep the 32 bit in.
>>>
>>
>> Interesting.. Jon, could you please confirm that 24bit format isn't
>> usable on T30?
> 
> If there is an option of 24 packed into 32, then I think that would work.
> 
> I can try testing that with raw data on Monday.

I will check on this. I would have thought that S24_LE (24-bits packed
into 32-bit elements) would be fine. Typically we don't support S24_3LE
(24-bits in 24-bit elements).

Jon

-- 
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