Hello,
What is the device created on openSuse for the microphone input on the efika? What would be the device name to use as the input device for a recording tool?
Thanks
Cesar

Input isn't supported in the current revision of the audio driver.

Feel free to implement the support though.

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Matt Sealey

Hi Matt,
Thanks for the response. Is this an openSuse limitation, or an efika limitation?
Thanks
Cesar

A driver limitation.

The code that advertises, accepts and does interrupt handling and DMA transfers for incoming audio data does not exist.

The code in the audio driver as it is, is really quite lame - as a horse with only one leg is really quite lame :)

The audio Bestcomm tasks should accept data in variable sizes, but the driver locks it to 32-bit. Since most audio data generated by applications, from mp3 data etc. is 16-bit (or 24-bit if you are being fancy) this means some part of the audio data is being upsampled by the CPU.

Effectively, it lacks efficiency, and the support you need, but they can be added.

_________________
Matt Sealey