Re: How to install usb Maudio Micro "Couldn't open device, some information will be missing "

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where I can file quirks-table.h on raspberry pi, thanks

On 5/26/13, pukul sesuatu <niejogja@xxxxxxxxx> wrote:
> Thanks Torstein for information, I am new be on linux world , how to
> add entry for quirks-table.h ?
>
> On 5/26/13, Torstein Hegge <hegge@xxxxxxxxxxx> wrote:
>> On Sun, May 26, 2013 at 13:29:33 +0700, pukul sesuatu wrote:
>>> Hi All , how to install maudio micro on raspberry pi, I am try to
>>> install and googling for found some information about installing
>>> Maudio micro on raspberry pi but very little information about that.
>>> so I need help from you guys how to install it?
>>> this my ouput on terminal . thanks you
>>> ===================================
>>> lsusb -v -d 0763:201a
>>>
>>>
>>> Bus 001 Device 012: ID 0763:201a Midiman M-Audio Micro
>>> Couldn't open device, some information will be missing
>>
>> That is a permission error from lsusb, run lsusb with sudo to get rid of
>> it. I don't think it will affect the lsusb output in this case.
>>
>>> Device Descriptor:
>>>   bDeviceClass          255 Vendor Specific Class
>>
>> The device needs a quirk in order to be recognized by snd_usb_audio, but
>> the
>> rest of the descriptors look standard.
>>
>> You can try to add an entry like this in quirks-table.h
>>
>> {
>> 	USB_DEVICE(0x0763, 0x201a),
>> 	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
>> 		/* .vendor_name = "M-Audio", */
>> 		/* .product_name = "Micro", */
>> 		.ifnum = QUIRK_ANY_INTERFACE,
>> 		.type = QUIRK_COMPOSITE,
>> 		.data = & (const struct snd_usb_audio_quirk[]) {
>> 			{
>> 				/* Control device */
>> 				.ifnum = 0,
>> 				.type = QUIRK_IGNORE_INTERFACE
>> 			},
>> 			{
>> 				.ifnum = 1,
>> 				.type = QUIRK_AUDIO_STANDARD_INTERFACE
>> 			},
>> 			{
>> 				.ifnum = 2,
>> 				.type = QUIRK_AUDIO_STANDARD_INTERFACE
>> 			},
>> 			{
>> 				.ifnum = -1
>> 			}
>> 		}
>> 	}
>> },
>>
>

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