Hi Tim, Since some audio codec supports these features, I think the audio subsystem of NuttX needs to be prepared to support it, doesn't seen to be like a "custom" feature.
But even on Linux these features seams a little hidden on ALSA and you need to right tool to get access to it, see: https://askubuntu.com/questions/954601/how-to-get-bass-boost-in-ubuntu-just-like-windows-has BR, Alan On 11/21/21, TimH <t...@jti.uk.com.invalid> wrote: > On 20/11/2021 13:40, TimH wrote: >> Hi, >> >> I'm adding arch support for the sama5d2 Class D audio peripheral. >> >> This has bass cut/boost and treble cut/boost capabilities which don't >> fit (as best as I can tell) with the current set of audio driver >> capabilities and are, quite probably, unique to this device and not >> applicable to others (right now at least). >> >> I don't think this a case where custom board_ioctl commands are >> relevant as it is chip specific not board specific. >> >> This could be a case of I'm the only one who ever wants to expose this >> so I could go down that route but assuming it's not technically the >> right approach, what is, please? >> >> Thanks, >> >> Tim. >> > Since "Feature Unit" controls has run out of bit positions for anything > new, how about I add the new sama5d2 boost/cut modes into the Processing > Unit category? Not a great fit but perhaps acceptable? > >
