http://www.dell.com/us/dfh/p/studio-hybrid/pd
the icon of the rear blue jack in the photo is line in
you need line in Jack mode to switch between line in and Mic by hint
add_in_jack_mode
Node 0x18 [Pin Complex] wcaps 0x40058f: Stereo Amp-In Amp-Out
Control: name="Mic Boost Volume", index=0, device=0
ControlAmp: chs=3, dir=In, idx=0, ofs=0
Control: name="Mic Jack", index=0, device=0
Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
Amp-In vals: [0x00 0x00]
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x80 0x80]
Pincap 0x0000373e: IN OUT HP Detect Trigger
Vref caps: HIZ 50 GRD 80 100
Pin Default 0x01a13c40: [Jack] Mic at Ext Rear
Conn = 1/8, Color = Blue
DefAssociation = 0x4, Sequence = 0x0
Pin-ctls: 0x21: IN VREF_50
Unsolicited: tag=02, enabled=1
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 5
0x0c* 0x0d 0x0e 0x0f 0x26
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https://bugs.launchpad.net/bugs/1247160
Title:
Ubuntu 13.10 [Studio Hybrid 140g, Realtek ALC888, Black Digital Out,
HDMI] No sound at all
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