you need the the driver to connect headphone to 0x25 to provide an
indepdent volum control at node 0x26
does your motherboard support multi streaming 7.1 + 2 ?
www.intel.com/support/motherboards/desktop/sb/cs-020642.htm#multistream
Node 0x25 [Audio Output] wcaps 0x11: Stereo
Converter: stream=0, channel=0
PCM:
rates [0x560]: 44100 48000 96000 192000
bits [0xe]: 16 20 24
formats [0x1]: PCM
Node 0x26 [Audio Mixer] wcaps 0x20010f: Stereo Amp-In Amp-Out
Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-In vals: [0x00 0x00] [0x80 0x80]
Amp-Out caps: ofs=0x1f, nsteps=0x1f, stepsize=0x05, mute=0
Amp-Out vals: [0x00 0x00]
Connection: 2
0x25 0x0b
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https://bugs.launchpad.net/bugs/827193
Title:
Asus M3A78-EM / Realtek ALC1200 - output selection SNAFU
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