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[Raymond <1500580@xxxxxxxxxxxxxxxxxx>]

control.12 {
		iface MIXER
		name 'Input Source'
		value Mic
		comment {
			access 'read write'
			type ENUMERATED
			count 1
			item.0 Mic
			item.1 Line
		}
	}


seem pulseaudio bug since capture source only has two sources but
pulseaudio have three paths


https://wiki.ubuntu.com/PulseAudio/Log



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

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https://bugs.launchpad.net/bugs/1500580

Title:
  [HP Compaq dc7700 Small Form Factor, Realtek ALC262, Black Mic, Front]
  Sound is distorted

Status in alsa-driver package in Ubuntu:
  New

Bug description:
  The microphone inputs dont work, what sound i can get out of them is
  very over driven and cracks. same with the speaker output in the back
  of my computer,  I'm using version 14.04. I can get perfect sound out
  of the headphone jack though.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  Uname: Linux 3.16.0-031600rc4-generic i686
  ApportVersion: 2.14.1-0ubuntu3.15
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  clint-eastwood   1248 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Mon Sep 28 12:17:10 2015
  InstallationDate: Installed on 2015-09-28 (0 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaRecordingTest: ALSA recording test through plughw:Intel failed
  Symptom_Card: Built-in Audio - HDA Intel
  Symptom_Jack: Black Mic, Front
  Symptom_Type: Digital clip or distortion, or "overdriven" sound
  Title: [HP Compaq dc7700 Small Form Factor, Realtek ALC262, Black Mic, Front] Sound is distorted
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/05/2008
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 786E1 v01.15
  dmi.board.name: 0A54h
  dmi.board.vendor: Hewlett-Packard
  dmi.chassis.type: 4
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr786E1v01.15:bd08/05/2008:svnHewlett-Packard:pnHPCompaqdc7700SmallFormFactor:pvr:rvnHewlett-Packard:rn0A54h:rvr:cvnHewlett-Packard:ct4:cvr:
  dmi.product.name: HP Compaq dc7700 Small Form Factor
  dmi.sys.vendor: Hewlett-Packard

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