[alsa-devel] [PATCH 1/4] ALSA: control: return payload length for TLV operation

[Takashi Sakamoto]

On Aug 30 2016 17:04, Clemens Ladisch wrote:
> Takashi Sakamoto wrote:
>> On Aug 30 2016 16:05, Clemens Ladisch wrote:
>>> If there were any TLV callback that did not set _tlv[1] to the actual
>>> size, it would be buggy, and just needed to be fixed to do so.
>>
>> TLV feature of ALSA control interface is not only used to transfer
>> threshold level information, but also arbitrary data for I/O by
>> developers in ALSA SoC part. The '_tlv[1]' protocol is not necessarily
>> kept by them.
> 
> Which specific ASoC driver does this?

As of 4.8, soc-wm-adsp does it, with a help of soc-core.


Regards

Takashi Sakamoto