[AudioI] Volumio 3.179 + Audioinjector Stereo?

[Randall Reichenbach]

Instead of amixer, try:

alsamixer -c 0

which will give you a graphical interface where you can unmute the output
mixer hifi.

On Fri, Jan 7, 2022 at 1:10 PM Daniel F. Taylor via People <
people at lists.audioinjector.net> wrote:

>
> Running Volumio 3.179 on an older Pi (2 I think? Maybe 3?) with
> Audioinjector Stereo sitting on top... is there a way to make it use the
> audioinjector stereo card? Volumio itself works but I can't get the method
> described here
> http://forum.audioinjector.net/viewtopic.php@f=5&t=3063.html to send
> sound through the card...
>
> I have editing /etc/config.text to read
>
> volumio at volumio:~$ cat /boot/config.txt
> initramfs volumio.initrd
> gpu_mem=32
> max_usb_current=1
> #dtparam=audio=on
> #audio_pwm_mode=2
> dtparam=i2c_arm=on
> disable_splash=1
> hdmi_force_hotplug=1
> force_eeprom_read=0
> dtoverlay=audioinjector-wm8731-audio
> include userconfig.txt
>
> I get this after reboot:
> volumio at volumio:~$ aplay -l
> **** List of PLAYBACK Hardware Devices ****
> card 0: audioinjectorpi [audioinjector-pi-soundcard], device 0:
> AudioInjector audio wm8731-hifi-0 [AudioInjector audio wm8731-hifi-0]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
>
> The recommended mixer command doesn't seem to work:
> volumio at volumio:~$ amixer sset 'Output Mixer HiFi' toggle
> amixer: Unable to find simple control 'Output Mixer HiFi',0
>
> I get 'audioinjector-pi-soundcard' as my only available output device on
> the volumio web interface
>
> Prior to making these changes, I get the expected audio output from the
> Pi's built in headphone jack.
>
> After making these changes, I get no audio output from headphone jack, or
> output jacks on Audioinjector card, while volumio web interface is showing
> a song playing at max volume.
>
> Any ideas?
>
> --
> People mailing list
> People at lists.audioinjector.net
> https://lists.audioinjector.net/mailman/listinfo/people
>
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