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

jon wrote:

Simple mixer control 'IEC958 In Record',0 Mono: Playback [off]

Shouldn't this be on?

Simple mixer control 'IEC958 In Select',0 Mono: Playback [on]

IIRC this selects between two different inputs. Try both settings.

Regards, Clemens