only issue on FreeBSD/arm(beaglebone black) with multi channel USB audio device.

[Yoshiro MIHIRA]

>If the musb controller is used, can you try the attached patch?

Yes, BeagleBone Black has musb.
But I could not apply your patch.

patch < musb_otg.diff

how to apply your patch on FreeBSD?



2014-06-04 22:39 GMT+09:00 Hans Petter Selasky <hps at selasky.org>:

> On 06/04/14 15:10, Hans Petter Selasky wrote:
>
>> On 06/04/14 15:03, Yoshiro MIHIRA wrote:
>>
>>> I have multi-channel USB audio device.
>>>
>>> *1 Kyo-On DIGI(sorry,this page was writtin in Japanese)
>>> http://www.area-powers.jp/product/usb_product/product/
>>> kyo-on/u1soundt4.html
>>>
>>>
>>> I can use this device without issue on **FreeBSD/i386-current**[OK].
>>> (only I set below setting in /boot/loader.conf
>>> hw.usb.uaudio.default_
>>> channels=16
>>>
>>> [FYI] we discussed below thread.
>>> http://comments.gmane.org/gmane.os.freebsd.devel.usb/6213
>>>
>>> I tried to use this USB audio on **FreeBSD/arm BeagleBone Black** same
>>> source tree(r267049).
>>> However I have noise sound **playback** sound[NG](mpg123 and wavplay).
>>> If I **record** this device on BeagleBone Black, there is no issues.
>>>
>>> If I use 2ch USB audio device, there is no issues on BeagleBone Black.
>>>
>>> Does someone have any idea to use this device on BeagleBone Black?
>>>
>>>
>> Hi,
>>
>> Can you give some more information about your USB audio device:
>>
>> High Speed or Full Speed?
>>
>> What USB controllers are used?
>>
>> There are some limitations currently, that high-payload isochonous
>> transfers are not fully supported by the non ehci/ohci/uhci/xhci
>> controllers. That probably explains why only 2-channels are working.
>>
>> --HPS
>>
>
> Hi,
>
> If the musb controller is used, can you try the attached patch?
>
> --HPS
>
>
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