<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Pulseaudio enables Surround 4.0, while chmap reports no RL and RR" href="https://bugs.freedesktop.org/show_bug.cgi?id=91471#c1">Comment # 1</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Pulseaudio enables Surround 4.0, while chmap reports no RL and RR" href="https://bugs.freedesktop.org/show_bug.cgi?id=91471">bug 91471</a> from <a class="email" href="mailto:arthurborsboom@gmail.com" title="Arthur Borsboom <arthurborsboom@gmail.com>"> Arthur Borsboom</a> <pre>The analysis of Raymond Yau (alsa dev) based on my pulseaudio log. Maybe this helps to find the cause and solution. ( 6.509| 1.381) D: [pulseaudio] module-alsa-card.c: Jack 'Headphone Mic Jack' is now plugged in ( 6.509| 0.000) D: [pulseaudio] device-port.c: Setting port analog-output-headphones to status yes This look like pulseaudio use headphone mic jack to set the headphone to available ( 6.509| 0.000) D: [pulseaudio] module-switch-on-port-available.c: Finding best profile ( 6.509| 0.000) D: [pulseaudio] module-switch-on-port-available.c: No suitable profile found ( 6.509| 0.000) D: [pulseaudio] device-port.c: Setting port analog-input-headphone-mic to status unknown ( 6.509| 0.000) D: [pulseaudio] core-subscribe.c: Dropped redundant event due to change event. ( 6.509| 0.000) D: [pulseaudio] device-port.c: Setting port analog-input-headset-mic to status unknown But I don't understand why pulseaudio set status of headphone mic and headset mic to unknown You did not use External Subwoofer Jack to change the status of external subwoofer, there is no traces of external subwoofer jack in your log</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>