index: 8
name: <alsa_card.usb-Plantronics_Plantronics_C420-00-C420>
driver: <module-alsa-card.c>
owner module: 31
properties:
alsa.card = "2"
alsa.card_name = "Plantronics C420"
alsa.long_card_name = "Plantronics Plantronics C420 at
usb-0000:00:1d.0-1.3, full speed"
alsa.driver_name = "snd_usb_audio"
device.bus_path = "pci-0000:00:1d.0-usb-0:1.3:1.0"
sysfs.path =
"/devices/pci0000:00/0000:00:1d.0/usb1/1-1/1-1.3/1-1.3:1.0/sound/card2"
udev.id = "usb-Plantronics_Plantronics_C420-00-C420"
device.bus = "usb"
device.vendor.id = "047f"
device.vendor.name = "Plantronics, Inc."
device.product.id = "aa14"
device.product.name = "Plantronics C420"
device.serial = "Plantronics_Plantronics_C420"
device.string = "2"
device.description = "Plantronics C420"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-usb"
profiles:
output:analog-stereo: Analog Stereo Output (priority 6000,
available: unknown)
off: Off (priority 0, available: unknown)
active profile: <output:analog-stereo>
sinks:
alsa_output.usb-Plantronics_Plantronics_C420-00-C420.analog-stereo/#5:
Plantronics C420 Analog Stereo
sources:
alsa_output.usb-Plantronics_Plantronics_C420-00-C420.analog-stereo.monitor/#10:
Monitor of Plantronics C420 Analog Stereo
ports:
analog-output-speaker: Speakers (priority 10000, latency offset
0 usec, available: unknown)
properties:
device.icon_name = "audio-speakers"
ARECORD
**** List of CAPTURE Hardware Devices ****
card 1: PCH [HDA Intel PCH], device 0: ALC3223 Analog [ALC3223 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 2: C420 [Plantronics C420], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
USB Mixer: usb_id=0x047faa14, ctrlif=0, ctlerr=0
Card: Plantronics Plantronics C420 at usb-0000:00:1d.0-1.3, full speed
Unit: 2
Control: name="Tone Control - Treble", index=0
Info: id=2, control=5, cmask=0x0, channels=1, type="S8"
Volume: min=-40, max=40, dBmin=-15, dBmax=15
Unit: 2
Control: name="Tone Control - Bass", index=0
Info: id=2, control=3, cmask=0x0, channels=1, type="S8"
Volume: min=-40, max=40, dBmin=-15, dBmax=15
Unit: 2
Control: name="Speaker Playback Volume", index=0
Info: id=2, control=2, cmask=0x3, channels=2, type="S16"
Volume: min=-12800, max=0, dBmin=-5000, dBmax=0
Unit: 2
Control: name="Speaker Playback Switch", index=0
Info: id=2, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN"
Volume: min=0, max=1, dBmin=0, dBmax=0
Unit: 5
Control: name="Mic Capture Volume", index=0
Info: id=5, control=2, cmask=0x0, channels=1, type="S16"
Volume: min=-12800, max=0, dBmin=-5000, dBmax=0
Unit: 5
Control: name="Mic Capture Switch", index=0
Info: id=5, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN"
Volume: min=0, max=1, dBmin=0, dBmax=0
Unit: 7
Control: name="Sidetone Playback Volume", index=0
Info: id=7, control=2, cmask=0x0, channels=1, type="S16"
Volume: min=-7680, max=0, dBmin=-3000, dBmax=0
Unit: 7
Control: name="Sidetone Playback Switch", index=0
Info: id=7, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN"
Volume: min=0, max=1, dBmin=0, dBmax=0
------Mixer controls for card 2 [C420]
Card hw:2 'C420'/'Plantronics Plantronics C420 at usb-0000:00:1d.0-1.3, full
speed'
Mixer name : 'USB Mixer'
Components : 'USB047f:aa14'
Controls : 10
Simple ctrls : 5
Simple mixer control 'Speaker',0
Capabilities: pvolume pswitch pswitch-joined
Playback channels: Front Left - Front Right
Limits: Playback 0 - 25
Mono:
Front Left: Playback 10 [40%] [-30.00dB] [on]
Front Right: Playback 10 [40%] [-30.00dB] [on]
Simple mixer control 'Bass',0
Capabilities: volume volume-joined
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 10
Mono: 5 [50%]
Simple mixer control 'Treble',0
Capabilities: volume volume-joined
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 10
Mono: 5 [50%]
Simple mixer control 'Sidetone',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined
Playback channels: Mono
Limits: Playback 0 - 30
Mono: Playback 22 [73%] [-8.00dB] [on]
Simple mixer control 'Mic',0
Capabilities: cvolume cvolume-joined cswitch cswitch-joined
Capture channels: Mono
Limits: Capture 0 - 25
Mono: Capture 23 [92%] [-4.00dB] [on]
can you record from card 2 ?
arecord -vv -D plughw:2 -c 1 | aplay -D plughw:2
you have to provide pulseaudio verbose log
seem pulseaudio bug instead of alsa driver
** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1397029
Title:
[USB-Audio - Plantronics C420, recording] Headphone Mic do not appear
after connect
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