On Tue, Oct 08, 2013 at 02:34:33PM -0700, Mark Knecht wrote: > On Tue, Oct 8, 2013 at 2:07 PM, <l...@pengaru.com> wrote: > > Hello list, > > > > Somewhere between 3.11.0-rc7-gfa8218d and 3.12.0-rc4-g8b5ede6 this > > broke. > > > > The machine is an x61s thinkpad, with the headphone output unmuted and > > headphones partially inserted sound is audible. If the output is muted, > > the output shuts off. With the output unmuted, upon inserting the > > headphone plug fully the output shuts off following a blink of a delay. > > If I slowly remove the headphone plug returning it to a partially inserted > > state, the audio returns after another delay. > > > > It seems like a bug in the headphone amplifier power management, as if > > it's doing the inverse of what it needs to do. I'll try find time to > > bisect, just wanted to get this out there though in case any of you > > recognize the problem and know what might have caused it. > > > > Regards, > > Vito Caputo > > Sometimes across kernel revisions I've had problems like this. > (Although not that specific one!) It seems that the asound.state file > format changes and alsa renumbers their internal controls. You might > try saving the existing file elsewhere and then setting up alsa again > from scratch. That solved my last problem of that type. >
NAK, has no effect. Looking at the diff between the revisions under sound/pci/hda there appears to be quite a bit of activity. Hopefully I can get around to bisecting this weekend. Leaving the headphones 90% inserted is workable for now. Regards, Vito Caputo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/