> > > My personal use-case is Dock headphone jack vs. built-in headphone jack, > > > but in principle the same could happen with Front headphone jack vs > > > headphone jack (dunno if those can exist in practise). > > > > > > > There are two cases which headphone jack won't mute the other headphone > > jack when they are at same location > > 1) dual headphone notebook (e.g. Dell XPS series) > > > > https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda?id=8af3aeb498197f6fdf5acc913ffe8a392cb921c9 > > Right X220 + dock falls into the case above, there is a headphone jack > on the dock and one on the machine itself. Note that the dock headphone > jack is setup by a pin fixup in the kernel. > https://launchpadlibrarian.net/18761803/alsa-info.txt Seem cx20561 does not have any mute switch Amp-Out caps: ofs=0x4a, nsteps=0x4a, stepsize=0x03, mute=0 Only have volume control -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20141105/fc38a900/attachment-0001.html>
