More info with UAUDIO_DEBUG enabled.
dmesg:
uaudio0 at uhub2 port 2 configuration 1 interface 0 "Creative
Technology USB Sound Blaster HD" rev 1.10/1.00 addr 2
id 1: AC_INPUT type=UAT_STREAM
input0: UAT_STREAM
output: UATO_SPEAKER
id 2: AC_FEATURE src=1
input0: UAT_STREAM
output: UATO_SPEAKER
id 3: AC_OUTPUT type=UATO_SPEAKER src=2
input0: UAT_STREAM
output: UATO_SPEAKER
id 4: AC_INPUT type=UAT_STREAM
input0: UAT_STREAM
output: UATE_DIGITALAUIFC
id 6: AC_OUTPUT type=UATE_DIGITALAUIFC src=4
input0: UAT_STREAM
output: UATE_DIGITALAUIFC
id 7: AC_INPUT type=UATE_SPDIF
input0: UATE_SPDIF
output: UAT_STREAM
id 9: AC_OUTPUT type=UAT_STREAM src=7
input0: UATE_SPDIF
output: UAT_STREAM
id 10: AC_INPUT type=UATI_MICROPHONE
input0: UATI_MICROPHONE
output: UAT_STREAM
id 12: AC_INPUT type=UATE_LINECONN
input0: UATE_LINECONN
output: UAT_STREAM
id 14: AC_INPUT type=UATF_PHONOGRAPH
input0: UATF_PHONOGRAPH
output: UAT_STREAM
id 16: AC_SELECTOR src=10 12 14
input0: UATI_MICROPHONE
input1: UATE_LINECONN
input2: UATF_PHONOGRAPH
output: UAT_STREAM
id 17: AC_OUTPUT type=UAT_STREAM src=16
input0: UATI_MICROPHONE UATE_LINECONN UATF_PHONOGRAPH
output: UAT_STREAM
uaudio0: sync ep address mismatch
uaudio0: sync ep address mismatch
uaudio0: sync ep address mismatch
uaudio0: sync ep address mismatch
uaudio0: sync ep address mismatch
uaudio0: sync ep address mismatch
uaudio0: sync ep address mismatch
uaudio0: sync ep address mismatch
uaudio0: sync ep address mismatch
uaudio0: sync ep address mismatch
uaudio0: ignored setting with type 8193 format
uaudio0: ignored setting with type 8193 format
uaudio0: recording: 2-ch 16-bit 2-byte pcm, 48000Hz
uaudio0: recording: 2-ch 24-bit 3-byte pcm, 48000Hz
uaudio0: recording: 2-ch 16-bit 2-byte pcm, 96000Hz
uaudio0: recording: 2-ch 24-bit 3-byte pcm, 96000Hz
uaudio0: recording: 2-ch 16-bit 2-byte pcm, 44100Hz
uaudio0: recording: 2-ch 24-bit 3-byte pcm, 44100Hz
uaudio0: recording: 2-ch 16-bit 2-byte pcm, 48000Hz
uaudio0: recording: 2-ch 24-bit 3-byte pcm, 48000Hz
uaudio0: recording: 2-ch 16-bit 2-byte pcm, 96000Hz
uaudio0: recording: 2-ch 24-bit 3-byte pcm, 96000Hz
uaudio0: audio rev 1.00, 3 mixer controls
audio0 at uaudio0
uhidev0 at uhub2 port 2 configuration 1 interface 5 "Creative
Technology USB Sound Blaster HD" rev 1.10/1.00 addr 2
uhidev0: iclass 3/0, 1 report id
uhid0 at uhidev0 reportid 1: input=1, output=0, feature=0
ugen0 at uhub2 port 2 configuration 1 "Creative Technology USB Sound
Blaster HD" rev 1.10/1.00 addr 2
audioctl:
name=USB audio
version=
config=uaudio
encodings=slinear_le:16:2:1,slinear_le:24:3:1
properties=independent
full_duplex=0
fullduplex=0
blocksize=8816
hiwat=7
lowat=5
output_muted=0
monitor_gain=0
mode=
play.rate=44100
play.sample_rate=44100
play.channels=2
play.precision=16
play.bps=2
play.msb=1
play.encoding=slinear_le
play.gain=127
play.balance=32
play.port=0x0
play.avail_ports=0x0
play.seek=0
play.samples=0
play.eof=0
play.pause=0
play.error=0
play.waiting=0
play.open=0
play.active=0
play.buffer_size=65536
play.block_size=8816
play.errors=0
record.rate=44100
record.sample_rate=44100
record.channels=2
record.precision=16
record.bps=2
record.msb=1
record.encoding=slinear_le
record.gain=127
record.balance=32
record.port=0x0
record.avail_ports=0x0
record.seek=0
record.samples=0
record.eof=0
record.pause=0
record.error=0
record.waiting=0
record.open=0
record.active=0
record.buffer_size=65536
record.block_size=8816
record.errors=0
mixerctl:
outputs.spkr.mute=off
outputs.spkr=255,255
record.sel16-i10i12i14=2
