Created attachment 829509 [details]
alsa-info.txt

Initial summary:
no [AMD/ATI] Raven/Raven2/Fenghuang (HDMI) sound in Leap 15.2 Alpha  chip IDs:
1002:15de 1002:15e3

Forum thread:
https://forums.opensuse.org/showthread.php/539008-no-AMD-ATI-Raven-Raven2-Fenghuang-sound-in-15-1-or-15-2

This failure also applies to 15.1, and whether using KDE3 or IceWM. Neither
play system sounds nor Youtubes.

> inxi -SAxx
System:    Host: Easystreet Kernel: 5.3.18-lp152.3-default x86_64 bits: 64
compiler: gcc v: 7.5.0 Desktop: KDE 3 wm: kwin
           dm: N/A Distro: openSUSE Leap 15.2 Alpha
Audio:     Device-1: Advanced Micro Devices [AMD/ATI] Raven/Raven2/Fenghuang
HDMI/DP Audio driver: snd_hda_intel v: kernel
           bus ID: 08:00.1 chip ID: 1002:15de
           Device-2: Advanced Micro Devices [AMD] Family 17h HD Audio vendor:
ASUSTeK driver: snd_hda_intel v: kernel
           bus ID: 08:00.6 chip ID: 1022:15e3
           Sound Server: ALSA v: k5.3.18-lp152.3-default

YaST2 sound module claims to set up two devices, but neither play any test
sound.

> sudo setup-pulseaudio --enable
> asplay -v /usr/share/sounds/alsa/test.wav
produces:
Playing WAVE '/usr/share/sounds/alsa/test.wav' : Signed 16 bit Little Endian,
Rate 44100 Hz, Stereo
ALSA <-> PulseAudio PCM I/O Plugin
Its setup is:
  stream       : PLAYBACK
  access       : RW_INTERLEAVED
  format       : S16_LE
  subformat    : STD
  channels     : 2
  rate         : 44100
  exact rate   : 44100 (44100/1)
  msbits       : 16
  buffer_size  : 22050
  period_size  : 5512
  period_time  : 125000
  tstamp_mode  : NONE
  tstamp_type  : GETTIMEOFDAY
  period_step  : 1
  avail_min    : 5512
  period_event : 0
  start_threshold  : 22050
  stop_threshold   : 22050
  silence_threshold: 0
  silence_size : 0
  boundary     : 6206523236469964800

> paplay /usr/share/sounds/alsa/test.wav
> (aka nothing)