Issue #4 Raspberry Pi 4 HDMI audio modules conflict with loopbacks

Dave, N1AI All Messages By This Member #108680 Referring to:? Since my other comments on other issues have gone unanswered, I will try to discuss this here. A screenshot of part of the issue: I've talked about this a few times in this group: /g/BITX20/message/108542? -- you don't have to rely on order of discovery if you use proper names /g/BITX20/message/108485? -- stop using numbers, start using names A fix is IMO pretty easy: Create and use a new git branch so sending a PR is easier ('git checkout -b sbitx-alsa-names' will do this) Go into sbitx.c and change?"plughw:0,0" to?"plughw:CARD=audioinjectorpi,DEV=0". Go into sbitx_sound.c and change?"plughw:1,0" to?"plughw:CARD=Loopback,DEV=0". Go into sbitx_sound.c and change?"plughw:2,1" to?"plughw:CARD=Loopback_1,DEV=1". Rebuild the code and test that the sbitx app still works for rx and tx of voice modes. Then test that the sbitx app still works with fldigi and/or wsjt-x external digital apps. Then change /boot/config.txt to not disable HDMI audio (or standard broadcom headphone jack either). Reboot and do the same tests. Then plug in a USB headset or soundcard dongle, reboot, retest. I'm pretty sure it will all just work based on the testing I did earlier. It it works, send a PR to the ?repo and hopefully some day the fix will get merged. I would do this, but my code base is now so different than the afarhan repo that it doesn't make sense for me to be the one to do it. -- Regards, Dave, N1AI

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