This problem manifests on 14.04.
With the SC60 plugged in, dmesg says:
[ 6590.250376] usb 1-1.1.2: new full-speed USB device number 15 using ehci-pci
[ 6590.577123] usb 1-1.1.2: New USB device found, idVendor=1395,
idProduct=0033
[ 6590.577135] usb 1-1.1.2: New USB device strings: Mfr=1, Product=2,
SerialNumber=3
[ 6590.577142] usb 1-1.1.2: Product: Sennheiser SC60 for Lync
[ 6590.577147] usb 1-1.1.2: Manufacturer: Sennheiser
[ 6590.577154] usb 1-1.1.2: SerialNumber: 0000000000
[ 6590.632905] usb_audio: Warning! Unlikely big volume range (=4096),
cval->res is probably wrong.
[ 6590.632909] usb_audio: [11] FU [Sidetone Playback Volume] ch = 1, val =
0/4096/1<6>[ 6590.728484] input: Sennheiser Sennheiser SC60 for Lync as
/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1.2/1-1.1.2:1.3/input/input29
[ 6590.729071] hid-generic 0003:1395:0033.000F: input,hiddev0,hidraw3: USB
HID v1.11 Device [Sennheiser Sennheiser SC60 for Lync] on
usb-0000:00:1a.0-1.1.2/input3
shows up via lsusb:
[dl@mocha ~]$ lsusb
Bus 002 Device 003: ID 0a5c:5800 Broadcom Corp. BCM5880 Secure Applications
Processor
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 006: ID 0c45:6433 Microdia
Bus 001 Device 005: ID 413c:8187 Dell Computer Corp. DW375 Bluetooth Module
Bus 001 Device 014: ID 1390:5454 TOMTOM B.V.
Bus 001 Device 013: ID 045e:0040 Microsoft Corp. Wheel Mouse Optical
Bus 001 Device 011: ID 413c:2513 Dell Computer Corp. internal USB Hub of
E-Port Replicator
Bus 001 Device 012: ID 046d:c308 Logitech, Inc. Internet Navigator Keyboard
Bus 001 Device 015: ID 1395:0033 Sennheiser Communications
<<<-------------
Bus 001 Device 010: ID 413c:2513 Dell Computer Corp. internal USB Hub of
E-Port Replicator
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
(tried plugging it into various USB ports)
but aplay -l doesn't show it:
[dl@mocha ~]$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: 92HD90BXX Analog [92HD90BXX Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2] <<<----- probably
expect it here!
Subdevices: 1/1
Subdevice #0: subdevice #0
When plugging in a plantronics headset, it *is* recognised:
[dl@mocha ~]$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: 92HD90BXX Analog [92HD90BXX Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: C420 [Plantronics C420], device 0: USB Audio [USB Audio]
<<<<<<------------- Plantronics one
Subdevices: 0/1
Subdevice #0: subdevice #0
[ 6384.229122] usb 2-1.2: new full-speed USB device number 11 using ehci-pci
[ 6384.328041] usb 2-1.2: New USB device found, idVendor=047f, idProduct=aa14
[ 6384.328053] usb 2-1.2: New USB device strings: Mfr=1, Product=2,
SerialNumber=0
[ 6384.328059] usb 2-1.2: Product: Plantronics C420
[ 6384.328064] usb 2-1.2: Manufacturer: Plantronics
[ 6384.351659] 11:1:1: cannot get freq at ep 0x4
[ 6384.364703] 11:2:1: cannot get freq at ep 0x84
[ 6384.723771] input: Plantronics Plantronics C420 as
/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.3/input/input25
[ 6384.724116] hid-generic 0003:047F:AA14.000B: input,hiddev0,hidraw0: USB
HID v1.11 Device [Plantronics Plantronics C420] on usb-0000:00:1d.0-1.2/input3
Let me know if you need any further information.
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https://bugs.launchpad.net/bugs/1266343
Title:
Sennheiser USB headset not listed as device in aplay -l
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