Re: Relating a card:device tuple to its ALSA controls

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Ezequiel Garcia wrote:
> $ aplay -l
> card 0: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC Analog]
> card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
>
> $ sudo amixer -c 0 controls
> numid=24,iface=CARD,name='HDMI/DP,pcm=3 Jack'
> numid=18,iface=CARD,name='Headphone Jack'
>
> However, I really can't find *anywhere* how to relate (1) and (2)
> above.

Typically, mixer controls belong to the card and not to a specific device.
However, this jack control says "pcm=3" for the device number.

> I'll appreciate if nobody replies with "you could use pulseaudio"

You could use the PulseAudio source code to see how it's done. ;)


Regards,
Clemens

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