Re: Using an existing driver for an unsupported usb audio device

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Clemens Ladisch <cladisch <at> googlemail.com> writes:
> Are there any messages in the system log?

System Log:
usb 1-2.1: Product: Roland SP-606
usb 1-2.1: Manufacturer: Roland
usb-audio debug test 3
snd-usb-audio 1-2.1:1.1: snd_usb_parse_audio_interface
snd-usb-audio 1-2.1:1.1: altsetting 0
snd-usb-audio 1-2.1:1.1: altsetting 1
snd-usb-audio 1-2.1:1.1: step 1
snd-usb-audio 1-2.1:1.1: step 2
snd-usb-audio 1-2.1:1.1: step 3
snd-usb-audio 1-2.1:1.1: step 4
ALSA sound/usb/stream.c:700 5:1:1: add audio endpoint 0x1
snd-usb-audio 1-2.1:1.2: snd_usb_parse_audio_interface
snd-usb-audio 1-2.1:1.2: altsetting 0
snd-usb-audio 1-2.1:1.2: altsetting 1
snd-usb-audio 1-2.1:1.2: step 1
snd-usb-audio 1-2.1:1.2: step 2
snd-usb-audio 1-2.1:1.2: step 3
snd-usb-audio 1-2.1:1.2: step 4
ALSA sound/usb/stream.c:700 5:2:1: add audio endpoint 0x82
ALSA sound/usb/midi.c:1729 MIDIStreaming version 01.00
ALSA sound/usb/midi.c:1764 EP 03: 1 jack(s)
ALSA sound/usb/midi.c:1779 EP 84: 1 jack(s)
ALSA sound/usb/midi.c:1699 created 1 output and 1 input ports
usbcore: registered new interface driver snd-usb-audio

Jack capture only mode:
14:33:27.582 JACK was started with PID=2584.
loading driver ..
registered builtin port type 32 bit float mono audio
registered builtin port type 8 bit raw midi
clock source = system clock via clock_gettime
new client: alsa_pcm, id = 1 type 1 @ 0x8e2db30 fd = -1
apparent rate = 44100
creating alsa driver ... -|hw:0|1024|2|44100|0|0|nomon|swmeter|-|32bit
control device hw:0
ALSA: Cannot open PCM device alsa_pcm for capture. Falling back to playback-only
mode
cannot load driver module alsa

Although I can sample from youtube,or anything playing in my computer, I can't
drive the inputs(eg. recording a vinyl to ardour)





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