I cannot reproduce the problem now. Recording via arecord with channels locked in pavucontrol works OK. The problem seems to only still exist using Skype (my version is 8.29.0.50) which strangely is not allowing me to unlock the channels. My Alsa-info: http://www.alsa-project.org/db/?f=9dd883825d6f6c832cfc36c9eb1eaafa347fc4d8
System: Host: G50 Kernel: 4.14.71-1-MANJARO x86_64 bits: 64 compiler: gcc v: 8.2.1 Desktop: Xfce 4.12.4 Distro: Manjaro Linux Machine: Type: Laptop System: LENOVO product: 80E3 v: Lenovo G50-45 serial: <filter> Mobo: LENOVO model: Lancer 5B2 v: 31900058 STD serial: <filter> UEFI: LENOVO v: A2CN45WW(V2.13) date: 08/04/2016 Battery: ID-1: BAT1 charge: 23.2 Wh condition: 23.2/31.7 Wh (73%) model: LENOVO PABAS0241231 status: Full CPU: Topology: Quad Core model: AMD A6-6310 APU with AMD Radeon R4 Graphics bits: 64 type: MCP arch: Puma rev: 1 L2 cache: 2048 KiB flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm bogomips: 14378 Speed: 1648 MHz min/max: 1000/1800 MHz Core speeds (MHz): 1: 1681 2: 1505 3: 1296 4: 1556 Graphics: Device-1: AMD Mullins [Radeon R4/R5 Graphics] driver: radeon v: kernel bus ID: 00:01.0 Display: x11 server: X.Org 1.20.1 driver: ati,radeon unloaded: modesetting resolution: 1366x768~60Hz, 1920x1080~60Hz OpenGL: renderer: AMD MULLINS (DRM 2.50.0 4.14.71-1-MANJARO LLVM 6.0.1) v: 4.5 Mesa 18.2.1 direct render: Yes Audio: Device-1: AMD Kabini HDMI/DP Audio driver: snd_hda_intel v: kernel bus ID: 00:01.1 Device-2: AMD FCH Azalia driver: snd_hda_intel v: kernel bus ID: 00:14.2 Sound Server: ALSA v: k4.14.71-1-MANJARO Network: Device-1: Realtek RTL8723BE PCIe Wireless Network Adapter driver: rtl8723be v: kernel port: 3000 bus ID: 01:00 IF: wlp1s0 state: up mac: <filter> Device-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet driver: r8168 v: 8.045.08-NAPI port: 2000 bus ID: 02:00 IF: enp2s0 state: down mac: <filter> Drives: Local Storage: total: 465.76 GiB used: 103.86 GiB (22.3%) ID-1: /dev/sda vendor: Samsung model: SSD 850 EVO 500GB size: 465.76 GiB Partition: ID-1: / size: 144.89 GiB used: 103.55 GiB (71.5%) fs: ext4 dev: /dev/sda5 ID-2: swap-1 size: 6.96 GiB used: 260.8 MiB (3.7%) fs: swap dev: /dev/sda6 Sensors: System Temperatures: cpu: 51.2 C mobo: N/A gpu: radeon temp: 50 C Fan Speeds (RPM): N/A Info: Processes: 227 Uptime: 2d 15h 08m Memory: 6.77 GiB used: 4.28 GiB (63.2%) Init: systemd Compilers: gcc: 8.2.1 Shell: bash v: 4.4.23 inxi: 3.0.21 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1619866 Title: Lenovo G50-45 inverted microphone not detected properly Status in linux package in Ubuntu: Expired Status in pulseaudio package in Ubuntu: New Bug description: System: Lenovo G50-45 with Lubuntu 16.04 Alsa information: http://www.alsa- project.org/db/?f=5e8ab749ddf4f0a7e4ae8f3ce678ddb9cb12c89f Internal microphone does not pick up sound by default. When I mute one channel, it works (this is not a good workaround since some application, such as Facebook Messenger, unmute both channels and set them to the same level automatically). --- ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: silvana 2681 F.... pulseaudio /dev/snd/controlC1: silvana 2681 F.... pulseaudio CurrentDesktop: LXDE DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=ed5f69ec-7e3c-40e2-9c00-9b93ff0b463f InstallationDate: Installed on 2016-09-02 (0 days ago) InstallationMedia: Lubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160720) MachineType: LENOVO 80E3 Package: linux (not installed) ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-36-generic.efi.signed root=UUID=baa34df9-fd6a-44bd-8c25-64bec78743a2 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16 RelatedPackageVersions: linux-restricted-modules-4.4.0-36-generic N/A linux-backports-modules-4.4.0-36-generic N/A linux-firmware 1.157.3 Tags: xenial Uname: Linux 4.4.0-36-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 08/26/2014 dmi.bios.vendor: LENOVO dmi.bios.version: A2CN25WW(V1.07) dmi.board.asset.tag: No Asset Tag dmi.board.name: Lancer 5B2 dmi.board.vendor: LENOVO dmi.board.version: SDK0F82993 WIN dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo G50-45 dmi.modalias: dmi:bvnLENOVO:bvrA2CN25WW(V1.07):bd08/26/2014:svnLENOVO:pn80E3:pvrLenovoG50-45:rvnLENOVO:rnLancer5B2:rvrSDK0F82993WIN:cvnLENOVO:ct10:cvrLenovoG50-45: dmi.product.name: 80E3 dmi.product.version: Lenovo G50-45 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1619866/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp