On Mon, Feb 10, 2020 at 04:13:52PM -0500, Adam Serbinski wrote:

> I am not aware of how this could be done for bluetooth, since the value
> still has to originate from userspace. The driver you referred to supports
> only a single sample rate, whereas for bluetooth, 2 sample rates are
> required, and nothing in the kernel is aware of the appropriate rate, at
> least in the case of the qca6174a I'm working with right now, or for that
> matter, TI Wilink 8, which I've also worked with.

There's generic support in the CODEC<->CODEC link code for setting the
DAI configuration from userspace.