[arch-general] ALSA volume control

[Nilesh Govindarajan]

My sound card has two sockets each for mic & output.
One set in the front & another in the rear.

I connect headphone to the front one and the rear one is connected to a 
power amplifier.
I can see headphone control in alsamixer, kmix, but I can't adjust its 
volume separately, only mute/unmute it.

What tweaks are needed to get this feature?

-- 
Regards,
Nilesh Govindarajan
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