[AudioI] [AudioI - stereo + zero] Issues with Injector Zero

[Matt]

On 18/2/20 10:48 pm, Colin Ngu wrote:
> Hi Matt,
>
> with the aplay -l command, I get the following response:
>
> card 0: audioinjectorpi [audioinjector-pi-soundcard], device 0: 
> AudioInjector au dio wm8731-hifi-0 []
>
>   Subdevices: 1/1
>
>   Subdevice #0: subdevice #0
>
>
> with the amixer command, I get these response. The difference is Mono 
> playback=Off instead on "On".
>
> Simple mixer control 'Output Mixer HiFi',0
>
>   Capabilities: pswitch pswitch-joined
>
>   Playback channels: Mono
>
>   Mono: Playback [off]
>
>

Yep, the first thing you have to do is toggle that to on. Either using 
the alsamixer command and using the UI or using the amixer command line 
interface.


>
> On Tue, Feb 18, 2020 at 10:37 AM Matt <matt at audioinjector.net 
> <mailto:matt at audioinjector.net>> wrote:
>
>     Hi
>
>     On 18/2/20 12:16 pm, Colin Ngu via People wrote:
>>
>>     Hi,
>>
>>     I'm am running Retropie on my pi zero, and I would like to route
>>     the sound output using the Audioinjector HAT.  But no success so far.
>>
>
>     Sounds like fun, I have a MAME arcade hardware breakout from the
>     '90s !
>
>
>>     I have modified config.txt with following command;
>>     dtparam=i2c_arm=on
>>
>>     dtparam=i2s=on
>>
>>     dtparam=spi=on
>>
>>     dtparam=audio=off
>>     dtoverlay=audioinjector-wm8731-audio
>>
>     Typically the config.txt file only needs the following
>     (dtparam=audio=off is probably ok) :
>
>     #dtparam=audio=on
>
>     dtoverlay=audioinjector-wm8731-audio
>
>     To be sure, you can enable i2c and i2s but may not be necessary :
>
>     dtparam=i2c_arm=on
>     dtparam=i2s=on
>
>
>>     In the retropie settings menu, I have set the following;
>>
>>     Audio Card: SYSDEFAULT
>>
>>     Audio Device: MASTER
>>
>>     This is setting that has does not show any error.. But still no
>>     sound.
>>
>>     I have also tried the hat on raspberry pi4 running on rabian
>>     buster. The config.txt file is modified, and Raspbian seems to be
>>     able to detect the soundcard. But still not getting any sound.
>>
>
>     Ok this is good, indicates it isn't a hardware issue. But we need
>     to dig deeper.
>
>     For starters, can you run raspbian and do the following ...
>
>     Do you see the sound card when you type in :
>
>     aplay -l
>
>     Have you enabled the mixer appropriately ? Did you set the "Output
>     Mixer HiFi" switch to on ? This will allow audio output on the
>     sound card. You can use the alsamixer command to toggle it with a
>     user interface.
>
>     To check, when I type :
>
>     amixer
>
>     I get the following :
>
>     Simple mixer control 'Output Mixer HiFi',0
>       Capabilities: pswitch pswitch-joined
>       Playback channels: Mono
>       Mono: Playback [on]
>
>
>>     Would this be hardware issue? How do I confirm it?
>>
>>     Thanks in advance
>>
>>     Colin
>>
>>
>     -- 
>     Checkout the community email list :
>     https://lists.audioinjector.net/mailman/listinfo/people
>
>
>     -- 
>     People mailing list
>     People at lists.audioinjector.net <mailto:People at lists.audioinjector.net>
>     https://lists.audioinjector.net/mailman/listinfo/people
>
-- 
Join the community discussion forum :
https://lists.audioinjector.net/mailman/listinfo/people

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.audioinjector.net/pipermail/people/attachments/20200218/ecb33093/attachment.htm>