[Jetson Nano] audio block crashes with HDMI output

[Tomás Migone]

If there are no additional outputs (USB or DAC) plugged in, the block crashes.

Soundcard:

root@f539fa0399cc:/usr/src# cat /proc/asound/cards 
 0 [tegrahda       ]: tegra-hda - tegra-hda
                      tegra-hda at 0x70038000 irq 83

Error:

E: [pulseaudio] module-alsa-card.c: Failed to find a working profile.
 audio  E: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="0" name="0" card_name="alsa_card.0" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes avoid_resampling=yes card_properties="module-udev-detect.discovered=1""): initialization failed.

Amixer output:

root@f539fa0399cc:/usr/src# amixer --card tegrahda
Simple mixer control 'd HDA Comfort Noise',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'd HDA Decode Capability',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 4294967295
  Mono: 0 [0%]
Simple mixer control 'd HDA Maximum PCM Channels',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 4294967295
  Mono: 2 [0%]
Simple mixer control 'd IEC958',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]