[LAU] Roland Integra-7 and Alsa 1.0.28

Mirko Horstmann bb at mirkokosmos.net
Sun Dec 7 21:23:47 UTC 2014


I just remembered this post from the alsa-devel list from last year that 
said several Yamaha and Roland devices may work through a patch (which I 
believe should have found it's way into Alsa 1.0.28):


I thought I'd give it a try: I own a Roland Integra-7 sound module which 
is supposed to be able to send it's output over USB. I cannot get it to 
output any sound, though. Here's what I'm trying to do (USB mode is set 
to "Vendor (Audio + MIDI)" on the device):

mir at robotnik:~$ arecord -l
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC272 Analog [ALC272 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
card 1: INTEGRA7 [INTEGRA-7], device 0: USB Audio [USB Audio]
   Subdevices: 1/1
   Subdevice #0: subdevice #0

mir at robotnik:~$ arecord -d 10 -c 2 -f S32_LE -r44100  -D hw:INTEGRA7 
Recording WAVE 'test.wav' : Signed 32 bit Little Endian, Rate 44100 Hz, 
arecord: pcm_read:2031: read error: Input/output error

With different settings, arecord tells me that S32_LE and 44100 are the 
only available format and rate. The "Recording WAVE..." message appears 
instantly, the error message appears after the 10 seconds. The wave file 
then exists with a header but no audio content.

Is there anything I'm doing wrong, or did I misinterpret the post on 
alsa-devel and a quirk is still needed for the Integra?


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