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[Raymond <1509921@xxxxxxxxxxxxxxxxxx>]

ports:
		analog-input: Analog Input (priority 10000, latency offset 0 usec, available: unknown)
			properties:
				
		analog-input-microphone: Microphone (priority 8700, latency offset 0 usec, available: no)
			properties:
				device.icon_name = "audio-input-microphone"
		analog-input-linein: Line In (priority 8100, latency offset 0 usec, available: no)
			properties:
				
	active port: <analog-input>

it is strange that analog input is the active port when rear mic and
line in are not plugged

	control.26 {
		iface CARD
		name 'Mic Jack'
		value false
		comment {
			access read
			type BOOLEAN
			count 1
		}
	}
	control.27 {
		iface CARD
		name 'Line Jack'
		value false
		comment {
			access read
			type BOOLEAN
			count 1
		}
	}
	control.28 {
		iface CARD
		name 'Line Out Jack'
		value false
		comment {
			access read
			type BOOLEAN
			count 1
		}
	}
	control.29 {
		iface CARD
		name 'Front Headphone Jack'
		value false
		comment {
			access read
			type BOOLEAN
			count 1
		}
	}

-- 
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/1509921

Title:
  [HDA-Intel - HD-Audio Generic, recording] No sound at all

Status in HWE Next:
  New
Status in alsa-driver package in Ubuntu:
  New

Bug description:
  This is a desktop box, with following ports:
  front jack: a single headset combo jack
  rear jacks: mic, speaker, line-in

  An "Analog Input" consistently show up even there is nothing plugged,
  but I'm not able to record via headset jack or rear mic jack, they all recorded with noises.

  00:01.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Device [1002:9840]
  00:14.2 Audio device [0403]: Advanced Micro Devices, Inc. [AMD] FCH Azalia Controller [1022:780d] (rev 02)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.13.0-66.108-generic 3.13.11-ckt27
  Uname: Linux 3.13.0-66-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.14.1-0ubuntu3.16
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  u          1824 F.... pulseaudio
   /dev/snd/controlC0:  u          1824 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Mon Oct 26 11:46:46 2015
  InstallationDate: Installed on 2015-10-23 (2 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaRecordingTest: ALSA recording test through plughw:Generic_1 failed
  Symptom_Card: Built-in Audio - HD-Audio Generic
  Symptom_DevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  u          1824 F.... pulseaudio
   /dev/snd/controlC0:  u          1824 F.... pulseaudio
  Symptom_Type: No sound at all
  Title: [HDA-Intel - HD-Audio Generic, recording] No sound at all
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/21/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.0.0
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: dmi:bvnDellInc.:bvr1.0.0:bd05/21/2015:svnDellInc.:pnInspiron3655:pvr1.0.0:rvnDellInc.:rn:rvr:cvnDellInc.:ct3:cvrNotSpecified:
  dmi.product.name: Inspiron 3655
  dmi.product.version: 1.0.0
  dmi.sys.vendor: Dell Inc.

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