<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - No sound when plugging in headphones, must unmute and raise Speker+LO to get sound" href="https://bugs.freedesktop.org/show_bug.cgi?id=90972#c16">Comment # 16</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - No sound when plugging in headphones, must unmute and raise Speker+LO to get sound" href="https://bugs.freedesktop.org/show_bug.cgi?id=90972">bug 90972</a> from <a class="email" href="mailto:superquad.vortex2@gmail.com" title="Raymond <superquad.vortex2@gmail.com>"> Raymond</a> <pre>(In reply to Martin Erik Werner from <a href="show_bug.cgi?id=90972#c14">comment #14</a>) > (In reply to Raymond from <a href="show_bug.cgi?id=90972#c13">comment #13</a>) > > you have to disable loopback mixing since driver assign the first dac node > > 0x13 to aamix_path > > How would do I do that? (and should I?) you can use amixer -c 0 set 'Loopback Mixing' Disabled Simple mixer control 'Loopback Mixing',0 Capabilities: enum Items: 'Disabled' 'Enabled' Item0: 'Enabled' you have to open bug report at kernel bigzilla about the aamix path always use first DAC when aamix mixer can connect to more than one DAC Node 0x1b [Audio Mixer] wcaps 0x20050b: Stereo Amp-In Amp-In caps: ofs=0x17, nsteps=0x1f, stepsize=0x05, mute=1 Amp-In vals: [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x17 0x17] [0x80 0x80] [0x80 0x80] Power states: Power: setting=D0, actual=D0 Connection: 6 0x0c 0x0e 0x0f 0x13 0x14 0x0a the driver need to change amp in vals when headphone is plugged when loopback mixing is enabled Amp-In vals: [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x17 0x17] [0x80 0x80]</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>