Pi Zero and I2S issues

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Pi Zero and I2S issues

Postby quark » Thu Nov 25, 2021 8:32 am

Hello all,
I just installed arch on a raspberry pi zero (not W) which also has a DAC shield. It uses PCM5122 and I usually use it with the iqaudio-dacplus overlay in raspbian.
I can't seem to make it "see" the shield. I installed alsautils and also pulseaudio, all of them report a dummy card, not the one that I have installed.
What can I do?
here's my my config.txt:
$this->bbcode_second_pass_code('', 'dtparam=i2s=on
gpu_mem=16
dtoverlay=iqaudio-dacplus
dtoverlay=vc4-kms-v3d
initramfs initramfs-linux.img followkernel')

aplay -l
$this->bbcode_second_pass_code('', 'aplay: device_list:274: no soundcards found...')

aplay -L
$this->bbcode_second_pass_code('', 'null
Discard all samples (playback) or generate zero samples (capture)')

pactl list sinks
$this->bbcode_second_pass_code('', 'Sink #0
State: IDLE
Name: auto_null
Description: Dummy Output
Driver: module-null-sink.c
Sample Specification: s24le 2ch 96000Hz
Channel Map: front-left,front-right
Owner Module: 11
Mute: no
Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB
balance 0.00
Base Volume: 65536 / 100% / 0.00 dB
Monitor Source: auto_null.monitor
Latency: 1756373 usec, configured 2000000 usec
Flags: DECIBEL_VOLUME LATENCY SET_FORMATS
Properties:
device.description = "Dummy Output"
device.class = "abstract"
device.icon_name = "audio-card"
Formats:
pcm')
quark
 
Posts: 60
Joined: Thu Nov 25, 2021 8:26 am

Re: Pi Zero and I2S issues

Postby quark » Thu Nov 25, 2021 8:52 am

Yeah it's working. I made a new user after I installed, and that new user wasn't in the audio group.
I tested while root and I could see the audio card so then it hit me that I forgot to add my user to the audio group.
Problem solved.
quark
 
Posts: 60
Joined: Thu Nov 25, 2021 8:26 am


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