On Sat, 11 Feb 2023 09:20:31 +0100, Mike FABIAN wrote: > > Now it suddenly stopped working again after a reboot although I did not > change anything with the module options. > > The output of alsa-info.sh for the non-working state I have now is > attached. Thanks. Through a quick glance, there is no significant difference between both outputs. > Takashi Iwai <tiwai@xxxxxxx> さんはかきました: > > > Please check /proc/asound/card0/eld#* (for the card number 0, as > > found in /proc/asound/cards as sof-hda-dsp). One of them should have > > a valid ELD entry. This is the first step. If no proper monitor and > > ELD is found in those, something wrong at the detection in the > > kernel. > > $ cat /proc/asound/card0/eld#2.21 > monitor_present 1 > eld_valid 1 > codec_pin_nid 0xc > codec_dev_id 0x1 > codec_cvt_nid 0x3 > monitor_name LG ULTRAFINE > connection_type DisplayPort > eld_version [0x2] CEA-861D or below > edid_version [0x3] CEA-861-B, C or D > manufacture_id 0x6d1e > product_id 0x5bc2 > port_id 0x0 > support_hdcp 0 > support_ai 0 > audio_sync_delay 0 > speakers [0x1] FL/FR > sad_count 1 > sad0_coding_type [0x1] LPCM > sad0_channels 2 > sad0_rates [0xe0] 32000 44100 48000 > sad0_bits [0xe0000] 16 20 24 > mfabian@hathi:~ > $ > > That is OK, right? Yes, looks so. > $ cat /proc/asound/cards > 0 [sofhdadsp ]: sof-hda-dsp - sof-hda-dsp > LENOVO-20WNS1F81R-ThinkPadT14sGen2i > 1 [USB ]: USB-Audio - ThinkPad Thunderbolt 3 Dock USB > Lenovo ThinkPad Thunderbolt 3 Dock USB at usb-0000:52:00.0-2.1.1.2, full speed This is fine. > > The next is to test aplay directly with the device. > > "aplay -L" will show the possible option, and you can try like > > > > % apaly -Dhdmi:CARD=xxx,DEV=x -vv foo.wav > > > > for a WAV file in a format matching with the supported device > > (typically 2 channel stereo 44.1kHz or 48kHz 16 or 32bit format). > > If this gets a busy error, stop wireplumber once during the test: > > % systemctl --user stop wireplumber > > % aplay .... > > % systemctl --user start wireplumber > > > > If the aplay test doesn't work, again, it means that there's something > > wrong in the kernel. > > $ file /usr/share/ibus-typing-booster/data/coin9.wav > /usr/share/ibus-typing-booster/data/coin9.wav: RIFF (little-endian) data, WAVE audio, Microsoft PCM, 16 bit, mono 44100 Hz > mfabian@hathi:~ > $ aplay -Dhdmi:CARD=sofhdadsp,DEV=0 -vv /usr/share/ibus-typing-booster/data/coin9.wav > ALSA lib conf.c:5671:(snd_config_expand) Unknown parameters CARD=sofhdadsp,DEV=0 > ALSA lib pcm.c:2666:(snd_pcm_open_noupdate) Unknown PCM hdmi:CARD=sofhdadsp,DEV=0 > aplay: main:831: audio open error: 無効な引数です > > I don’t know what that means. Check the output of "aplay -L". It'll list the possible device arguments. If you still get an error, try like % aplay -Dhw:0,3 -vv foo.wav thanks, Takashi