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[Raymond <1404731@xxxxxxxxxxxxxxxxxx>]

http://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/src/modules/alsa/mixer/paths?id=aec811798cd883a454b9b5cd82c77831906bbd2d

do your pulseaudio have the above patch ?

you may need to file pulseaudio bug report since line out should be the
active port instead of internal speaker


https://bugs.freedesktop.org/enter_bug.cgi?product=PulseAudio


control.19 {
		iface CARD
		name 'Line Out Jack'
		value true
		comment {
			access read
			type BOOLEAN
			count 1
		}
	}
	control.20 {
		iface CARD
		name 'Front Headphone Jack'
		value false
		comment {
			access read
			type BOOLEAN
			count 1
		}
	}
	control.21 {
		iface CARD
		name 'Speaker Phantom Jack'
		value true
		comment {
			access read
			type BOOLEAN
			count 1
		}
	}


ports:
		analog-output: Analog Output (priority 9900, latency offset 0 usec, available: unknown)
			properties:
				
		analog-output-speaker: Speakers (priority 10000, latency offset 0 usec, available: unknown)
			properties:
				device.icon_name = "audio-speakers"
		analog-output-headphones: Headphones (priority 9000, latency offset 0 usec, available: no)
			properties:
				device.icon_name = "audio-headphones"
	active port: <analog-output-speaker>




Node 0x02 [Audio Output] wcaps 0x41d: Stereo Amp-Out
  Control: name="Speaker+LO Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Device: name="ALC3220 Analog", type="Audio", device=0
  Amp-Out caps: ofs=0x57, nsteps=0x57, stepsize=0x02, mute=0
  Amp-Out vals:  [0x22 0x22]
  Converter: stream=8, channel=0
  PCM:
    rates [0x560]: 44100 48000 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
Node 0x03 [Audio Output] wcaps 0x41d: Stereo Amp-Out
  Control: name="Headphone Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Amp-Out caps: ofs=0x57, nsteps=0x57, stepsize=0x02, mute=0
  Amp-Out vals:  [0x22 0x22]
  Converter: stream=8, channel=0
  PCM:
    rates [0x560]: 44100 48000 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1404731

Title:
  [ Dell OptiPlex 7020, Realtek ALC3220, Green Line Out, Rear]
  Background noise

Status in alsa-driver package in Ubuntu:
  New

Bug description:
  Any time I start Ubuntu, just a  sec before it starts I begin to hear background noise from speakers. And the noise isn't gone until I 
  shutdown the system.

  By the way, when I start listening to any music, I can't get any bass
  (although, I have a speaker system with sub woofer, and it worked fine
  for me on the previous computer).

  A lot of workaround didn't help.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.13.0-43.72-generic 3.13.11.11
  Uname: Linux 3.13.0-43-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  byte       1547 F.... pulseaudio
   /dev/snd/controlC0:  byte       1547 F.... pulseaudio
  CurrentDesktop: Unity
  CurrentDmesg:
   [   18.943961] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
   [   19.717121] init: plymouth-upstart-bridge main process ended, respawning
   [   19.722598] init: plymouth-upstart-bridge main process ended, respawning
  Date: Mon Dec 22 00:11:51 2014
  InstallationDate: Installed on 2014-12-21 (0 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful
  Symptom_Card: Built-in Audio - HDA Intel PCH
  Symptom_Jack: Green Line Out, Rear
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: High background noise, or volume is too low
  Title: [OptiPlex 7020, Realtek ALC3220, Green Line Out, Rear] Background noise or low volume
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/25/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A00
  dmi.board.name: 08WKV3
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 6
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA00:bd04/25/2014:svnDellInc.:pnOptiPlex7020:pvr01:rvnDellInc.:rn08WKV3:rvrA00:cvnDellInc.:ct6:cvr:
  dmi.product.name: OptiPlex 7020
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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