lsusb
A primeira coisa a tentar é garantir que o dispositivo apareça quando conectado.
Exemplo
Eu tenho um fone de ouvido da Logitech.
$ lsusb
Bus 002 Device 006: ID 046d:0a01 Logitech, Inc. USB Headset
Bus 002 Device 005: ID 046d:c521 Logitech, Inc. Cordless Mouse Receiver
Bus 002 Device 004: ID 17ef:1003 Lenovo Integrated Smart Card Reader
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Você pode descobrir mais sobre isso ativando a opção -v
para lsusb
.
Exemplo
$ lsusb -v | less
Bus 002 Device 006: ID 046d:0a01 Logitech, Inc. USB Headset
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x046d Logitech, Inc.
idProduct 0x0a01 USB Headset
bcdDevice 10.13
iManufacturer 1
iProduct 2
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 318
bNumInterfaces 3
bConfigurationValue 1
iConfiguration 0
...
dmesg
Em seguida, verifique se o hardware aparece como sendo detectado corretamente via dmesg
output.
$ dmesg
...
[237717.191322] usb 2-1.1: USB disconnect, address 3
[237717.387495] usb 2-1.1: new low speed USB device using ehci_hcd and address 5
[237717.482484] usb 2-1.1: New USB device found, idVendor=046d, idProduct=c521
[237717.482487] usb 2-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[237717.482489] usb 2-1.1: Product: USB Receiver
[237717.482491] usb 2-1.1: Manufacturer: Logitech
[237717.488818] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1/2-1.1:1.0/input/input10
[237717.488955] generic-usb 0003:046D:C521.0003: input,hidraw0: USB HID v1.11 Mouse [Logitech USB Receiver] on usb-0000:00:1d.0-1.1/input0
[237717.495771] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1/2-1.1:1.1/input/input11
[237717.495984] generic-usb 0003:046D:C521.0004: input,hiddev96,hidraw1: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:1d.0-1.1/input1
[240126.944155] usb 2-1.2: new full speed USB device using ehci_hcd and address 6
[240127.034731] usb 2-1.2: New USB device found, idVendor=046d, idProduct=0a01
[240127.034735] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[240127.034738] usb 2-1.2: Product: Logitech USB Headset
[240127.034740] usb 2-1.2: Manufacturer: Logitech
[240127.232622] usbcore: registered new interface driver snd-usb-audio
Preferências de som
No applet de alto-falante do GNOME, você pode acessar as preferências de som do seu sistema. Certifique-se de que os alto-falantes estejam selecionados como o dispositivo de saída ativo.