Here you go:
$ cat /proc/asound/cards
0 [Intel ]: HDA-Intel - HDA Intel
HDA Intel at 0xd8400000 irq 53
1 [NVidia ]: HDA-Intel - HDA NVidia
HDA NVidia at 0xd3000000 irq 16
2 [Speaker ]: USB-Audio - Logitech USB Speaker
Logitech Logitech USB Speaker at usb-0000:00:1d.0-1.1,
full speed
Taken immediately after resume/password entry, with pulseaudio still disabled.
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https://bugs.launchpad.net/bugs/684121
Title:
External speakers (logitech V5) always muted after resume from suspend.
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