megi's PinePhone Development Log RSS


2022–08–21: Sound on Pinephone Pro

I've gotten back to playing with audio codec on Pinephone Pro, after writing the initial device tree support for it last year. Last year I just did a few quick tests, without delving deep into the codec.

This time, I've analyzed it in detail, and mapped ALSA controls to codec audio paths in the process. I noticed several issues with the codec, while trying various configurations:

I've made patches to fix all of the issues I've found so far.