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.
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?
$ 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
$
> 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.
[...]
> That might explain. There were a few fixes about HDMI HD-audio stuff
> recently.
--
Mike FABIAN <mfabian@xxxxxxxxxx>
睡眠不足はいい仕事の敵だ。
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