Hi Alexandre, the patch works for me, both with the C-Media and Startech, for both USB2 and USB3.
Thanks and best wishes Luca > On 17 May 2021, at 18:44, Alexandre Ratchov <a...@caoua.org> wrote: > > On Sat, May 15, 2021 at 04:18:08PM +0000, Doug Moss wrote: >>> On 11 May 2021, Luca wrote: >>> Thanks guys. I've ordered one, let's see if I am lucky. >>> Cheers >>> Luca >> I have the same problem: OpenBSD 6.9 arm64, USB audio is not working >> I wrote before about this, as well as Luca >> ( https://marc.info/?l=openbsd-arm&m=159691773016835&w=2 ) >> Thank you to Luca for showing the sndiod logs and kernel messages. >> To add some further data: >> I have tried multiple USB audio devices: >> Logitech S-150 >> >> https://www.logitech.com/en-us/products/speakers/s150-usb-stereo-speakers.980-000028.html >> Schiit Modi >> https://www.schiit.com/products/modi-1 >> StarTech as mentioned by other poster in this thread >> https://www.startech.com/en-us/cards-adapters/icusbaudio2d >> All work fine on a Powerbook running MacOS, and work fine on OpenBSD 6.9 >> amd64 >> All do not work with (OpenBSD 6.9 arm64) on (Raspberry Pi 4 B, rev 1.2) >> All just create static noise which does seem to have the same envelope as >> the intended audio (when intended song is quiet, just low level static, then >> when intended song is louder, the static gets louder) >> I am particularly perplexed that someone else has gotten the StarTech device >> to work with OpenBSD arm64. > > Hi, > > Could you try the diff below? I don't have the hardware to test, this > is an attempt based on discussion with Luca and other developpers > > > Index: uaudio.c > =================================================================== > RCS file: /cvs/src/sys/dev/usb/uaudio.c,v > retrieving revision 1.160 > diff -u -p -r1.160 uaudio.c > --- uaudio.c 11 Jun 2020 16:00:10 -0000 1.160 > +++ uaudio.c 17 May 2021 16:31:59 -0000 > @@ -35,6 +35,7 @@ > #include <dev/usb/usb.h> > #include <dev/usb/usbdi.h> > #include <dev/usb/usbdivar.h> > +#include <dev/usb/usb_mem.h> > > #ifdef UAUDIO_DEBUG > #define DPRINTF(...) \ > @@ -3173,6 +3174,8 @@ uaudio_pdata_copy(struct uaudio_softc *s > } > s->ubuf_pos += count; > if (s->ubuf_pos == xfer->size) { > + usb_syncmem(&xfer->usb_xfer->dmabuf, 0, xfer->size, > + BUS_DMASYNC_PREWRITE); > s->ubuf_pos = 0; > #ifdef DIAGNOSTIC > if (s->ubuf_xfer == s->nxfers) {
