Is it really necessary to add this here?

[MrChangMM]

audioreach-graphmgr/plugins/tinyalsa/test/agmmixer.c

Line 903 in 03beb4c

ckv[ckv_index].key = SAMPLINGRATE;

I tested the deep buffer scenario in audioeach-pal. There's no suitable place to configure this; it works locally without it.