you have to ask in alsa development mailing list how to disable Jack detection of hp
http://www.alsa-project.org/mailman/listinfo/alsa-devel /* create jack input elements */ if (spec->hp_detect) { for (i = 0; i < cfg->hp_outs; i++) { int type = SND_JACK_HEADPHONE; nid = cfg->hp_pins[i]; /* jack detection */ if (cfg->hp_outs == i) type |= SND_JACK_LINEOUT; err = stac92xx_add_jack(codec, nid, type); if (err < 0) return err; } } http://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss do it need any change in conf files when there are no headphone / speaker playback volume/ switch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1229895 Title: [CF-74ECBAXBM, SigmaTel STAC9200, Speaker, Internal] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1229895/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
