does notebook support 5.1 ext speakers since there are three jacks at
same location (ext front) and stac9228 is a 8 channels codec ?
do headphone Jacks node 0x0a and 0x0f support surround 4.0 ?
do the driver assign correct name front/surround to the headphone jacks ?
Node 0x0a [Pin Complex] wcaps 0x400181: Stereo
Control: name="Front Headphone Surround Jack", index=0, device=0
Pincap 0x0000173f: IN OUT HP Detect Trigger ImpSense
Vref caps: HIZ 50 GRD 80
Pin Default 0x0221101f: [Jack] HP Out at Ext Front
Conn = 1/8, Color = Black
DefAssociation = 0x1, Sequence = 0xf
Pin-ctls: 0xc0: OUT HP VREF_HIZ
Unsolicited: tag=02, enabled=1
Connection: 2
0x02 0x03*
Node 0x0e [Pin Complex] wcaps 0x400181: Stereo
Control: name="Mic Phantom Jack", index=0, device=0
Pincap 0x00001737: IN OUT Detect Trigger ImpSense
Vref caps: HIZ 50 GRD 80
Pin Default 0x02811030: [Jack] Line In at Ext Front
Conn = 1/8, Color = Black
DefAssociation = 0x3, Sequence = 0x0
Pin-ctls: 0x24: IN VREF_80
Unsolicited: tag=00, enabled=0
Connection: 1
0x04
Node 0x0f [Pin Complex] wcaps 0x400181: Stereo
Control: name="Front Headphone Front Jack", index=0, device=0
Pincap 0x00001737: IN OUT Detect Trigger ImpSense
Vref caps: HIZ 50 GRD 80
Pin Default 0x02011020: [Jack] Line Out at Ext Front
Conn = 1/8, Color = Black
DefAssociation = 0x2, Sequence = 0x0
Pin-ctls: 0x40: OUT VREF_HIZ
Unsolicited: tag=01, enabled=1
Connection: 1
0x05
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https://bugs.launchpad.net/bugs/1361434
Title:
[Inspiron 1420, SigmaTel STAC9228, Speaker, Internal] No sound at all
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