I have CommunitySqueeze up and running on a Wandboard Quad. I have audio output on the onboard audio devices but have been unable to get my USB MF V-DAC II working. I am a Linux newbie and have been using this project as a way to learn some basic skills, but I think I have exhausted by google searches to see if I could get this USB DAC running. The DAC is connected to the Wandboard using a USB Hub. Below is the output from the aplay command and the file output from the Stream0 and Cards files. Any help would be appreciated or point me towards the right thread here.
aplay -l
[fedora@wandboard ~]$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: sgtl5000audio [sgtl5000-audio], device 0: HiFi sgtl5000-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: imxspdif [imx-spdif], device 0: IMX SPDIF mxc-spdif-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: imxhdmisoc [imx-hdmi-soc], device 0: IMX HDMI TX mxc-hdmi-soc-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 3: M2496 [Musical Fidelity V-DAC 24/96], device 0: USB Audio [USB Audio]
Subdevices: 0/1
Subdevice #0: subdevice #0
aplay -L
[fedora@wandboard ~]$ aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
pulse
PulseAudio Sound Server
default
Default ALSA Output (currently PulseAudio Sound Server)
sysdefault:CARD=sgtl5000audio
sgtl5000-audio,
Default Audio Device
sysdefault:CARD=imxspdif
imx-spdif,
Default Audio Device
sysdefault:CARD=imxhdmisoc
imx-hdmi-soc,
Default Audio Device
sysdefault:CARD=M2496
Musical Fidelity V-DAC 24/96, USB Audio
Default Audio Device
front:CARD=M2496,DEV=0
Musical Fidelity V-DAC 24/96, USB Audio
Front speakers
surround40:CARD=M2496,DEV=0
Musical Fidelity V-DAC 24/96, USB Audio
4.0 Surround output to Front and Rear speakers
surround41:CARD=M2496,DEV=0
Musical Fidelity V-DAC 24/96, USB Audio
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=M2496,DEV=0
Musical Fidelity V-DAC 24/96, USB Audio
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=M2496,DEV=0
Musical Fidelity V-DAC 24/96, USB Audio
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=M2496,DEV=0
Musical Fidelity V-DAC 24/96, USB Audio
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=M2496,DEV=0
Musical Fidelity V-DAC 24/96, USB Audio
IEC958 (S/PDIF) Digital Audio Output
[fedora@wandboard ~]$ cat /proc/asound/M2496/stream0
Musical Fidelity Musical Fidelity V-DAC 24/96 at usb-fsl-ehci.1-1.3, full speed : USB Audio
Playback:
Status: Stop
Interface 1
Altset 1
Format: S24_3LE
Channels: 2
Endpoint: 1 OUT (ASYNC)
Rates: 32000, 44100, 48000, 88200, 96000
[fedora@wandboard ~]$ cat /proc/asound/cards
0 [sgtl5000audio ]: sgtl5000-audio - sgtl5000-audio
sgtl5000-audio
1 [imxspdif ]: imx-spdif - imx-spdif
imx-spdif
2 [imxhdmisoc ]: imx-hdmi-soc - imx-hdmi-soc
imx-hdmi-soc
3 [M2496 ]: USB-Audio - Musical Fidelity V-DAC 24/96
Musical Fidelity Musical Fidelity V-DAC 24/96 at usb-fsl-ehci.1-1.3, full speed
aplay -l
[fedora@wandboard ~]$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: sgtl5000audio [sgtl5000-audio], device 0: HiFi sgtl5000-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: imxspdif [imx-spdif], device 0: IMX SPDIF mxc-spdif-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: imxhdmisoc [imx-hdmi-soc], device 0: IMX HDMI TX mxc-hdmi-soc-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 3: M2496 [Musical Fidelity V-DAC 24/96], device 0: USB Audio [USB Audio]
Subdevices: 0/1
Subdevice #0: subdevice #0
aplay -L
[fedora@wandboard ~]$ aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
pulse
PulseAudio Sound Server
default
Default ALSA Output (currently PulseAudio Sound Server)
sysdefault:CARD=sgtl5000audio
sgtl5000-audio,
Default Audio Device
sysdefault:CARD=imxspdif
imx-spdif,
Default Audio Device
sysdefault:CARD=imxhdmisoc
imx-hdmi-soc,
Default Audio Device
sysdefault:CARD=M2496
Musical Fidelity V-DAC 24/96, USB Audio
Default Audio Device
front:CARD=M2496,DEV=0
Musical Fidelity V-DAC 24/96, USB Audio
Front speakers
surround40:CARD=M2496,DEV=0
Musical Fidelity V-DAC 24/96, USB Audio
4.0 Surround output to Front and Rear speakers
surround41:CARD=M2496,DEV=0
Musical Fidelity V-DAC 24/96, USB Audio
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=M2496,DEV=0
Musical Fidelity V-DAC 24/96, USB Audio
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=M2496,DEV=0
Musical Fidelity V-DAC 24/96, USB Audio
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=M2496,DEV=0
Musical Fidelity V-DAC 24/96, USB Audio
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=M2496,DEV=0
Musical Fidelity V-DAC 24/96, USB Audio
IEC958 (S/PDIF) Digital Audio Output
[fedora@wandboard ~]$ cat /proc/asound/M2496/stream0
Musical Fidelity Musical Fidelity V-DAC 24/96 at usb-fsl-ehci.1-1.3, full speed : USB Audio
Playback:
Status: Stop
Interface 1
Altset 1
Format: S24_3LE
Channels: 2
Endpoint: 1 OUT (ASYNC)
Rates: 32000, 44100, 48000, 88200, 96000
[fedora@wandboard ~]$ cat /proc/asound/cards
0 [sgtl5000audio ]: sgtl5000-audio - sgtl5000-audio
sgtl5000-audio
1 [imxspdif ]: imx-spdif - imx-spdif
imx-spdif
2 [imxhdmisoc ]: imx-hdmi-soc - imx-hdmi-soc
imx-hdmi-soc
3 [M2496 ]: USB-Audio - Musical Fidelity V-DAC 24/96
Musical Fidelity Musical Fidelity V-DAC 24/96 at usb-fsl-ehci.1-1.3, full speed