http://www.idt.com/products/audio-products/high-definition-hd-audio- codecs/92hd71b-four-channel-hd-audio-codec
Codec: IDT 92HD71B7X does not have any mute switch at the pin complex the driver just set pin ctl to 0 to mute the speaker when headphone is plugged this mean that pulseaudio cannot find any speaker playback switch to mute/unmute the speaker when headphone is plugged Simple mixer control 'Headphone',0 Capabilities: pvolume pswitch Playback channels: Front Left - Front Right Limits: Playback 0 - 127 Mono: Front Left: Playback 127 [100%] [0.00dB] [on] Front Right: Playback 127 [100%] [0.00dB] [on] Simple mixer control 'PCM',0 Capabilities: pvolume pswitch Playback channels: Front Left - Front Right Limits: Playback 0 - 127 Mono: Front Left: Playback 127 [100%] [0.00dB] [on] Front Right: Playback 127 [100%] [0.00dB] [on] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1254884 Title: Pulseaudio: incoherent muting of GStreamer channels (mutes master, headphone and speaker, but unmutes only master) To manage notifications about this bug go to: https://bugs.launchpad.net/pulseaudio/+bug/1254884/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
