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https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS Simple mixer control 'Speaker',0 Capabilities: pvolume pswitch penum Playback channels: Front Left - Front Right Limits: Playback 0 - 64 Mono: Front Left: Playback 0 [0%] [-48.00dB] [off] Front Right: Playback 0 [0%] [-48.00dB] [off] Simple mixer control 'Speaker',1 Capabilities: pvolume pswitch penum Playback channels: Front Left - Front Right Limits: Playback 0 - 64 Mono: Front Left: Playback 64 [100%] [0.00dB] [on] Front Right: Playback 64 [100%] [0.00dB] [on] Node 0x0d [Pin Complex] wcaps 0x400501: Stereo Pincap 0x00010050: OUT EAPD Balanced EAPD 0x2: EAPD Pin Default 0x92170110: [Fixed] Speaker at Int Front Conn = Analog, Color = Unknown DefAssociation = 0x1, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x00: Power: setting=D0, actual=D0 Connection: 3 0x13* 0x14 0x1c /sys/class/sound/hwC0D0/init_pin_configs: 0x0a 0x40f000f0 0x0b 0x0221101f 0x0c 0x02a11020 0x0d 0x40f000f0 0x0e 0x40f000f0 0x0f 0x92170110 0x10 0x40f000f0 0x11 0xd5a30130 0x1f 0x40f000f0 0x20 0x40f000f0 /sys/class/sound/hwC0D0/driver_pin_configs: 0x0a 0x40f000f0 0x0b 0x0221101f 0x0c 0x02a11020 0x0d 0x92170110 0x0e 0x40f000f0 0x0f 0x92170110 0x10 0x40f000f0 0x11 0xd5a30130 0x1f 0x40f000f0 0x20 0x40f000f0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/921397 Title: Speaker audio channel goes mute after plugging in the headphone To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/921397/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs