uname -a Linux lilian-dev 5.0.0-37-generic #41+redmiv2 SMP Mon Nov 18 05:09:35 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
1. installed as the order below: 789 sudo dpkg -i linux-headers-5.0.0-37_5.0.0-37.41+redmiv2_all.deb 790 sudo dpkg -i linux-headers-5.0.0-37-generic_5.0.0-37.41+redmiv2_amd64.deb 792 sudo dpkg -i linux-modules-5.0.0-37-generic_5.0.0-37.41+redmiv2_amd64.deb 793 sudo dpkg -i linux-modules-extra-5.0.0-37-generic_5.0.0-37.41+redmiv2_amd64.deb 794 sudo dpkg -i linux-image-unsigned-5.0.0-37-generic_5.0.0-37.41+redmiv2_amd64.deb 2. restart and boot to the test kernel. 3. Open settings and find Input tag from Sound. - The internal mic was not visible 3. insert the external mic - It appears as "Microphone - BuiltinAudio" - unplug it, still appears as "Microphone - BuiltinAudio" 4. Test recording for no external mic case: - no sound at all. - no change even change the input sound level to max in settings 5. Test recording for external mic case - no sound at all. - no change even change the input sound level to max in settings Attached alsa-info.ext collected ** Attachment added: "alsa-info.txt.p8ApzEvbP8" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1846148/+attachment/5306137/+files/alsa-info.txt.p8ApzEvbP8 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1846148 Title: Realtek ALC256M with DTS Audio Processing internal microphone doesn't work on Redmi Book 14 2019 Status in alsa-driver package in Ubuntu: Confirmed Bug description: Sound works okay but the internal mic doesn't work. When I plug in headset, the mic on headset also doens't work. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 5.0.0-29.31~18.04.1-generic 5.0.21 Uname: Linux 5.0.0-29-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20.9-0ubuntu7.7 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: lilian 1689 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Tue Oct 1 12:27:10 2019 InstallationDate: Installed on 2019-09-21 (9 days ago) InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Title: PCI/internal sound card not detected UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/19/2019 dmi.bios.vendor: TIMI dmi.bios.version: RMRCM400P0100 dmi.board.name: TM1901 dmi.board.vendor: TIMI dmi.chassis.type: 10 dmi.chassis.vendor: TIMI dmi.modalias: dmi:bvnTIMI:bvrRMRCM400P0100:bd08/19/2019:svnTIMI:pnRedmiBook14:pvr:rvnTIMI:rnTM1901:rvr:cvnTIMI:ct10:cvr: dmi.product.family: Mi Laptop dmi.product.name: RedmiBook 14 dmi.product.sku: TM1901-24822 dmi.sys.vendor: TIMI To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1846148/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp