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1. minute (mntmn@mastodon.social)'s status on Friday, 08-Dec-2023 20:00:39 JST minute

   update on MNT Pocket Reform motherboard RC2:
   —the new latch chip for power enables works so RP2040 can be reset while the system can continue running
   —new TUSB8041 hub works fine
   —headphones sound clear/noise free
   —microphone input (from headset) has not ideal signal to noise ratio, test recordings have audible white (?) noise (more later)

   • minute (mntmn@mastodon.social)'s status on Friday, 08-Dec-2023 21:00:23 JST minute

     in reply to

     i am using the TLV320AIC3100 dac/adc which appears to have a lot of features, esp. filtering, that are not implemented at all in the mainline linux driver https://www.ti.com/lit/ds/symlink/tlv320aic3100.pdf?ts=1701969473863

   • minute (mntmn@mastodon.social)'s status on Saturday, 09-Dec-2023 01:11:57 JST minute

     in reply to

     • Martijn Braam

     @martijnbraam not that i know of

   • Martijn Braam (martijnbraam@fosstodon.org)'s status on Saturday, 09-Dec-2023 01:11:58 JST Martijn Braam

     in reply to

     @mntmn is there even a proper API in alsa to expose biquad filters?