did your computer chassis have a hda front audio panel which support jack detection ?
http://www.intel.com/support/motherboards/desktop/sb/cs-015851.htm Node 0x1b [Pin Complex] wcaps 0x40058f: Stereo Amp-In Amp-Out 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: [0x00 0x00] Pincap 0x0001373e: IN OUT HP EAPD Detect Trigger Vref caps: HIZ 50 GRD 80 100 EAPD 0x0: Pin Default 0x02214c20: [Jack] HP Out at Ext Front Conn = 1/8, Color = Green DefAssociation = 0x2, Sequence = 0x0 Pin-ctls: 0xc0: OUT HP VREF_HIZ Unsolicited: tag=04, enabled=1 Power states: D0 D1 D2 D3 EPSS Power: setting=D0, actual=D0 Connection: 5 0x0c 0x0d 0x0e 0x0f* 0x26 http://www.asus.com/Motherboards/AMD_AM3Plus/M5A78LUSB3/#specifications 1: Use a chassis with HD audio module in the front panel to support an 8-channel audio output http://git.kernel.org/?p=linux/kernel/git/tiwai/sound.git;a=commitdiff;h=cc1c452e509aefc28f7ad2deed75bc69d4f915f7;hp=d94772070acc5a8f312ab4650cbbf5e78ea9dda2 if alc887vd has 5 DAC 10 , the driver can support 7.1 by creating a side playback volume at node 0x05 and headphone playback volume at node 0x25 this mean that automute should be automatcally disabled when switch to 8ch Simple mixer control 'Auto-Mute Mode',0 Capabilities: enum Items: 'Disabled' 'Enabled' Item0: 'Disabled' Simple mixer control 'Channel Mode',0 Capabilities: enum Items: '2ch' '4ch' '6ch' Item0: '4ch' -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1082375 Title: [System Product Name, Realtek ALC887-VD, Green Line Out, Rear] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1082375/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
