% tail -f -n 0 /var/log/messages
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: ugen1.11: <SteelSeries SteelSeries Siberia 350> at usbus1
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: uaudio0 on uhub8
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: uaudio0: <SteelSeries SteelSeries Siberia 350, class 0/0, rev 1.10/2.08, addr 11> on usbus1
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: uaudio0: Play[0]: 48000 Hz, 2 ch, 16-bit S-LE PCM format, 2x2ms buffer.
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: uaudio0: Play[0]: 44100 Hz, 2 ch, 16-bit S-LE PCM format, 2x2ms buffer.
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: uaudio0: Play[0]: 22050 Hz, 2 ch, 16-bit S-LE PCM format, 2x2ms buffer.
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: uaudio0: Play[0]: 16000 Hz, 2 ch, 16-bit S-LE PCM format, 2x2ms buffer.
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: uaudio0: Play[0]: 11025 Hz, 2 ch, 16-bit S-LE PCM format, 2x2ms buffer.
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: uaudio0: Play[0]: 8000 Hz, 2 ch, 16-bit S-LE PCM format, 2x2ms buffer.
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: uaudio0: Record[0]: 48000 Hz, 2 ch, 16-bit S-LE PCM format, 2x2ms buffer.
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: uaudio0: Record[0]: 44100 Hz, 2 ch, 16-bit S-LE PCM format, 2x2ms buffer.
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: uaudio0: Record[0]: 22050 Hz, 2 ch, 16-bit S-LE PCM format, 2x2ms buffer.
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: uaudio0: Record[0]: 16000 Hz, 2 ch, 16-bit S-LE PCM format, 2x2ms buffer.
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: uaudio0: Record[0]: 11025 Hz, 2 ch, 16-bit S-LE PCM format, 2x2ms buffer.
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: uaudio0: Record[0]: 8000 Hz, 2 ch, 16-bit S-LE PCM format, 2x2ms buffer.
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: uaudio0: No MIDI sequencer.
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: pcm3: <USB audio> on uaudio0
Apr 19 03:54:14 mowa219-gjp4-8570p-freebsd kernel: uaudio0: HID volume keys found.
^C
% cat /dev/sndstat
Installed devices:
pcm0: <ATI R6xx (HDMI)> (play)
pcm1: <IDT 92HD81B1X (Analog 2.0+HP/2.0)> (play/rec) default
pcm2: <IDT 92HD81B1X (Analog)> (play/rec)
pcm3: <USB audio> (play/rec)
pcm4: <USB audio> (rec)
No devices installed from userspace.
% sysctl -a | grep hda | grep -A1 driver
dev.hdaa.1.%driver: hdaa
dev.hdaa.1.%desc: IDT 92HD81B1X Audio Function Group
--
dev.hdaa.0.%driver: hdaa
dev.hdaa.0.%desc: ATI R6xx Audio Function Group
--
dev.hdacc.1.%driver: hdacc
dev.hdacc.1.%desc: IDT 92HD81B1X HDA CODEC
--
dev.hdacc.0.%driver: hdacc
dev.hdacc.0.%desc: ATI R6xx HDA CODEC
--
dev.hdac.1.%driver: hdac
dev.hdac.1.%desc: Intel Panther Point HDA Controller
--
dev.hdac.0.%driver: hdac
dev.hdac.0.%desc: ATI RV930 HDA Controller
%