** Description changed: + [Impact] + There are 2 physical speakers on the X1 7th, and one is Bass speaker + and connect to a DAC which doesn't have volume control on it. + + [Fix] + adjust that speaker to connect to a DAC which has volume control + capability. + + + [Test Case] + adjust the output volume from UI and play sound from speaker. + + + [Regression Risk] + Low, these change is specific to 2 lenovo machines. + + On my Lenovo ThinkPad X1 Carbon 7th generation using the built-in speakers, the volume is either off or on, there's no gradation in volume when I move the slider up or down. If I enable Over-Amplification than there's gradation in volume when I turn the volume up past 100%, but not for 0-100%. This problem does not occur with a headset plugged into the 3.5mm jack. ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: linux-image-5.3.0-12-generic 5.3.0-12.13 ProcVersionSignature: Ubuntu 5.3.0-12.13-generic 5.3.0 Uname: Linux 5.3.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu7 Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: jik 3746 F.... pulseaudio - /dev/snd/pcmC0D0p: jik 3746 F...m pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: jik 3746 F.... pulseaudio + /dev/snd/pcmC0D0p: jik 3746 F...m pulseaudio CurrentDesktop: ubuntu:GNOME Date: Fri Sep 27 11:07:44 2019 InstallationDate: Installed on 2019-09-12 (14 days ago) InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416) MachineType: LENOVO 20QD001VUS ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.3.0-12-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7 RelatedPackageVersions: - linux-restricted-modules-5.3.0-12-generic N/A - linux-backports-modules-5.3.0-12-generic N/A - linux-firmware 1.182 + linux-restricted-modules-5.3.0-12-generic N/A + linux-backports-modules-5.3.0-12-generic N/A + linux-firmware 1.182 SourcePackage: linux UpgradeStatus: Upgraded to eoan on 2019-09-20 (7 days ago) dmi.bios.date: 07/04/2019 dmi.bios.vendor: LENOVO dmi.bios.version: N2HET30W (1.13 ) dmi.board.asset.tag: Not Available dmi.board.name: 20QD001VUS dmi.board.vendor: LENOVO dmi.board.version: SDK0J40697 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrN2HET30W(1.13):bd07/04/2019:svnLENOVO:pn20QD001VUS:pvrThinkPadX1Carbon7th:rvnLENOVO:rn20QD001VUS:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad X1 Carbon 7th dmi.product.name: 20QD001VUS dmi.product.sku: LENOVO_MT_20QD_BU_Think_FM_ThinkPad X1 Carbon 7th dmi.product.version: ThinkPad X1 Carbon 7th dmi.sys.vendor: LENOVO
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1845677 Title: volume control doesn't work (it's just on/off) on Lenovo ThinkPad X1 Carbon 7th gen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1845677/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
