** Changed in: alsa-ucm-conf (Ubuntu Groovy) Importance: Undecided => High
** Changed in: alsa-ucm-conf (Ubuntu Groovy) Status: Confirmed => Fix Committed ** Changed in: alsa-ucm-conf (Ubuntu Groovy) Assignee: (unassigned) => Kai-Heng Feng (kaihengfeng) ** Changed in: alsa-ucm-conf (Ubuntu Focal) Assignee: (unassigned) => Kai-Heng Feng (kaihengfeng) ** Changed in: alsa-ucm-conf (Ubuntu Focal) Importance: Undecided => High ** Changed in: alsa-ucm-conf (Ubuntu Focal) Status: Confirmed => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to alsa-ucm-conf in Ubuntu. https://bugs.launchpad.net/bugs/1895669 Title: Add more support to Lenovo ThinkStation P620 Status in HWE Next: New Status in alsa-ucm-conf package in Ubuntu: Fix Committed Status in alsa-ucm-conf source package in Focal: Fix Committed Status in alsa-ucm-conf source package in Groovy: Fix Committed Bug description: [Impact] After upgrading the audio device firmware and doing more testing, we found some new audio issue on Lenovo P620: 1) Rear mic doesn't work. 2) Front and rear mic/line-in don't use hardware gain to control capture volume. [Fix] For 1), add proper PCM stream assignment to the rear microphone. For 2), add MixerElem to let alsa-lib and PulseAudio to pick correct mixer to change HW gain. [Test] With the new UCM applied, rear mic starts to work, and PulseAudio can control the hardware gain. [Regression Potential] The system hasn't hit the market so there's no chance to regression any system in the wild. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1895669/+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