the critial point is node 0xf lack HP amp , only node 0xA has pincap HP
Node 0x0f [Pin Complex] wcaps 0x400181: Stereo
Pincap 0x00000037: IN OUT Detect Trigger ImpSense
Pin Default 0x02011020: [Jack] Line Out at Ext Front
Conn = 1/8, Color = Black
DefAssociation = 0x2, Sequence = 0x0
Pin-ctls: 0x40: OUT
Unsolicited: tag=01, enabled=1
Connection: 1
0x05
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https://bugs.launchpad.net/bugs/1509950
Title:
DELL XPS M1210 STAC9221 Dual Headphone jacks not working
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