[alsa-devel] trouble using S/PDIF input on CMI8738-MC6: C-Media CMI8738 (model 55)

[Clemens Ladisch]

Jon wrote:
> if I start speaker-test, then toggle the "IEC958 In Record" (which at
> that point has turned itself on automatically) to off, arecord then
> records an arbitrary amount of silence instead

There is a reason the "In Record" control is disabled; it is used
internally by the driver to switch between analog and digital input.


Regards,
Clemens