On Sat, Feb 25, 2023 at 05:20:53PM +0100, Andreas Bartelt wrote: > Hi, > > I've tested a recent OpenBSD snapshot of CURRENT on an ASUS ProArt > X670E-CREATOR WIFI mainboard. According to the information provided by ASUS, > this mainboard features a "Realtek S1220A CODEC" which attaches as Realtek > ALC1220 on OpenBSD -- however, audio output (tested with headphones on the > line out connector) doesn't work there yet. Applications (e.g., mplayer, > mpg123) hang and I can hear no sound. > > [I don't know if this helps but I previously also had access to an ASUS ROG > STRIX B550-E GAMING mainboard which, according to ASUS, also features an > S1220A CODEC which also attaches as Realtek ALC1220 on OpenBSD -- audio > output (tested on the line out connector) works there without problems.] > > In order to verify that the new mainboard doesn't have a physical defect > with regard to the line out audio connector, I've also tested a FreeBSD 13.2 > BETA3 snapshot on the ASUS ProArt X670E-CREATOR WIFI mainboard. Audio output > worked there out-of-the-box, so this might be a fixable problem on OpenBSD. > > I've found some info with regard to audio debugging at > https://www.openbsd.org/faq/faq13.html#audioprob . While running > # cat > /dev/audio0 < /dev/zero > play.bytes doesn't increase at all: > # audioctl play.{bytes,errors} > play.bytes=0 > play.errors=0 >
mixerctl shows that the host manages communicate with the codec, but above lines suggest that DMA doesn't start. Could you check if there are any audio-related options in the BIOS? Especially, if there's an option to disable the microphone (or "recording" or alike), please enable it.
