** Description changed: - this bug is for tracking purpose. + [Impact] + Users could adjust the speaker's output volume from UI, but the sound + doesn't change with the user's adjustment. + + [Fix] + Backport 2 upstream patches, these patches are merged to 5.8.0-generic + with stable update, but not in 5.6-oem yet. + + [Test] + run amixer contents | grep DAC1, we could see the DAC1 mixer control + is found, adjust the speaker's volume from gnome-sound-setting, then + play some sound, we could hear the sound's volume is changed with our + adjustment. + + + [Where problems could occur] + This could possibly introduce the speaker output doesn't work anymore + on lenovo machines with dual speakers, but this posibility is very low, + I have tested the patches on 3 different lenovo machines with dual + speakers.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.6 in Ubuntu. https://bugs.launchpad.net/bugs/1931649 Title: alsa: the output volume can't be adjusted on the Lenovo machines with Bass speaker Status in HWE Next: New Status in linux-oem-5.6 package in Ubuntu: Triaged Status in linux-oem-5.6 source package in Focal: Triaged Bug description: [Impact] Users could adjust the speaker's output volume from UI, but the sound doesn't change with the user's adjustment. [Fix] Backport 2 upstream patches, these patches are merged to 5.8.0-generic with stable update, but not in 5.6-oem yet. [Test] run amixer contents | grep DAC1, we could see the DAC1 mixer control is found, adjust the speaker's volume from gnome-sound-setting, then play some sound, we could hear the sound's volume is changed with our adjustment. [Where problems could occur] This could possibly introduce the speaker output doesn't work anymore on lenovo machines with dual speakers, but this posibility is very low, I have tested the patches on 3 different lenovo machines with dual speakers. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1931649/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp