[LAU] Roland Integra-7 and Alsa 1.0.28

Mirko Horstmann bb at mirkokosmos.net
Sun Dec 7 21:52:51 UTC 2014

On 07.12.2014 22:30, Harry van Haaren wrote:
> On Sun, Dec 7, 2014 at 9:23 PM, Mirko Horstmann <bb at mirkokosmos.net
> <mailto:bb at mirkokosmos.net>> wrote:
>     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 -d 10 -c 2 -f S32_LE -r44100  -D hw:INTEGRA7
>     test.wav
>     Recording WAVE 'test.wav' : Signed 32 bit Little Endian, Rate 44100
>     Hz, Stereo
>     arecord: pcm_read:2031: read error: Input/output error
>     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?
> I think the quirk is there to tell the kernel module that it can handle
> the vendor/product IDs.. so if its listed by arecord -l then that's OK.
> The following post (by Clemens) lists hardware capabilities, after
> compilation:
> http://www.spinics.net/linux/fedora/alsa-user/msg07230.html
> Would you post the output of the program in the email thread that I linked?
> Perhaps there's an ALSA format issue or so.

mir at robotnik:~/Desktop/hw_params$ ./hw_params hw:INTEGRA7
Device: hw:INTEGRA7 (type: HW)
Formats: S32_LE
Channels: 2
Sample rates: 44100
Interrupt interval: 181-1486078 us
Buffer size: 362-2972155 us

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