On Sat, 23 Jun 2018 02:54:09 +0200,
Dennis Mungai wrote:
>
> Hello Takashi,
>
> Running amixer -c0 cset iface=mixer,name='IEC958 Playback Switch',index=16
> off turns off the SPDIF light.
And is the SPDIF light turned on again by some other action?
> If I may ask, with this model, the primary sound card shows up as the
> ALC1120:
>
> cat /proc/asound/car*/co* | grep Codec
> Codec: Realtek ALC1220
> Codec: Intel Kabylake HDMI
> Codec: Nvidia GPU 83 HDMI/DP
>
> Would a model override via:
>
> options snd-hda-intel model={model_name}
>
> in /etc/modprobe.d/alsa-base.conf using a model name from
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/tree/Documentation/sound/hd-audio/models.rst
> be applied to work around the issue above?
No, this has nothing to do with the model.
It's only the question who turned on the mixer.
> Also, does turning off the SPDIF light as shown above disable SDPIF output?
Yes.
Takashi
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