On Sat, 15 Oct 2022 16:56:26 +0200, Jan Henke wrote: > > > Hello sound system maintainers, > > a recent patch to the stable 5.15 linux branch unfortunately introduced a > regression. From 5.15.71 onward (also in 5.19.15) plugging in an external > headset into the audio jack no longer results in a working microphone. > Symptoms are that there is no choice to set the connected device to microphone > only (I am using GNOME, so once you plugin a device you get a dialogue to > choose it's type, normally there are 3 choices, Headphone, Headset and > Microphone, with the bug the last one is missing), and the connected > microphone no longer records any audio. Note that you can still choose the > headset microphone as audio input, it just does not record anything. > > Doing a git bisect I was able to identify the commit introducing this > regression: > > a963fe6d0eb6ef0a15b3aade7c186cd5bb7bd01f is the first bad commit > commit a963fe6d0eb6ef0a15b3aade7c186cd5bb7bd01f > Author: Callum Osmotherly <callum.osmotherly@xxxxxxxxx> > Date: Thu Sep 15 22:36:08 2022 +0930 > > ALSA: hda/realtek: Enable 4-speaker output Dell Precision 5530 laptop > > commit 1885ff13d4c42910b37a0e3f7c2f182520f4eed1 upstream. > > Just as with the 5570 (and the other Dell laptops), this enables the two > subwoofer speakers on the Dell Precision 5530 together with the main > ones, significantly increasing the audio quality. I've tested this > myself on a 5530 and can confirm it's working as expected. > > Signed-off-by: Callum Osmotherly <callum.osmotherly@xxxxxxxxx> > Cc: <stable@xxxxxxxxxxxxxxx> > Link: https://lore.kernel.org/r/YyMjQO3mhyXlMbCf@piranha > Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > sound/pci/hda/patch_realtek.c | 1 + > 1 file changed, 1 insertion(+) > > Which makes sense, since I noticed this regression on a Dell Precision 5530 > laptop. > > Downstream bug report: https://bugs.gentoo.org/876843 > > Please revert this commit to restore the previous working condition on all > affected branches, since an external headset is a very common use case with > these kinds of laptops. There were similar commits for different laptop > models, but I do not have any of these models, so I cannot say if they cause a > similar regression. It's been already reverted in the upstream, commit 417b9c51f597. thanks, Takashi
