[AudioI] How the RPI OS detects the Octo?

[Marc Lavallée]

Hi Matt,

Le 2022-05-10 à 18 h 09, Matt Flax a écrit :
> That is possible.
Last time I wrote about the issue, I was trying the Octo on a RPI4.
Beause I'm using the RPI4 for another project,
I'm now trying on a RPI3 with PicorePlayer.

> Test whether it is detectable on the i2c bus. You may need to disable
> the overlay in config.txt.
>
> i2cdetect -l
The result is empty.
ls /dev/i2c* is also empty

> That will list the available i2c busses. Then you can detect a bus, such
> as bus 1 :
>
> i2cdetect 1
>
> Do you see any indications in the output from i2cdetect that an IC is
> responding on the bus ?

Nope.

I also added "dtoverlay=audioinjector-addons" to config.txt
but dmesg tells me:
audioinjector-octo soc:sound: snd_soc_register_card failed (-517)

Is there something additional to configure in order to activate i2c devices?

Thanks for your help.

Marc

> Matt
>
>
> On 11/5/22 07:52, Marc Lavallée wrote:
>> Hi Matt,
>>
>> There's no trace of the card being connected and detected, at all.
>> Could there be that I fried it by plugging it incorrectly?
>>
>> Thanks
>> Marc
>>
>> Le 2022-05-10 à 17 h 49, Matt Flax a écrit :
>>> Can you report on anything you see when probing for available devices ?
>>>
>>> aplay -l
>>>
>>> If nothing is there, do you see anything in the system log : dmesg
>>>
>>> Matt
>>>
>>> On 7/5/22 08:29, Marc Lavallée via People wrote:
>>>> Hi,
>>>>
>>>> I acquired an Octo a few months ago, but never tried it.
>>>> Sadly, it doesn't seem to work, and it looks like a harware issue.
>>>>
>>>> I don't use a stock RPI OS, I use DietPi. But it's similar, so I added
>>>> 'dtoverlay=audioinjector-addons' at the end of /boot/config.txt
>>>> No luck...
>>>>
>>>> If I understand correctly how dtoverlay works,
>>>> it would looks for the octo in the /proc/device-tree folder,
>>>> so there should be some trace of "audioinjector" in it...
>>>>
>>>> Is there something I'm missing?
>>>>
>>>> Marc
>>>>
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