No subject

fid_bLength 7
fid_bDescriptortype 5
fid_bEndpointAddress 0
fid_bmAttributes 0
fid_wMaxPacketSize 64
fid_bInterval 0

Is this what you were asking about, and does it help us?

thanks,
David



On Thu, Mar 29, 2012 at 10:02 AM, David Alexander <lidxv0n at gmail.com> wrote=
:
> Here is what I am getting after having changed the line in mixer.c:
>
> [ =A0 92.284035] usb 2-4: new high speed USB device number 2 using ehci_h=
cd
> [ =A0 92.815354] ALSA mixer.c:1938 usbaudio: unit 32: unexpected type 0x0=
9
> [ =A0 92.815382] snd-usb-audio: probe of 2-4:1.0 failed with error -5
> [ =A0 92.816352] ALSA mixer.c:1938 usbaudio: unit 32: unexpected type 0x0=
9
> [ =A0 92.816372] snd-usb-audio: probe of 2-4:1.1 failed with error -5
> [ =A0 92.816966] ALSA mixer.c:1938 usbaudio: unit 32: unexpected type 0x0=
9
> [ =A0 92.816980] snd-usb-audio: probe of 2-4:1.2 failed with error -5
> [ =A0 92.817960] ALSA mixer.c:1938 usbaudio: unit 32: unexpected type 0x0=
9
> [ =A0 92.817972] snd-usb-audio: probe of 2-4:1.3 failed with error -5
> [ =A0 92.818587] ALSA mixer.c:1938 usbaudio: unit 32: unexpected type 0x0=
9
> [ =A0 92.818598] snd-usb-audio: probe of 2-4:1.4 failed with error -5
> [ =A0 92.818638] usbcore: registered new interface driver snd-usb-audio
>
>
> I noticed that I am not getting an entry under /proc/asound that I had
> before. =A0Before I got an entry called "Rack" with a sym link to card1:
>
> /proc/asound$ ls -l
> total 0
> dr-xr-xr-x 5 root root 0 2012-03-29 09:52 card0
> -r--r--r-- 1 root root 0 2012-03-29 10:01 cards
> -r--r--r-- 1 root root 0 2012-03-29 10:01 devices
> -r--r--r-- 1 root root 0 2012-03-29 10:01 hwdep
> lrwxrwxrwx 1 root root 5 2012-03-29 10:01 Intel -> card0
> -r--r--r-- 1 root root 0 2012-03-29 10:01 modules
> -r--r--r-- 1 root root 0 2012-03-29 10:01 pcm
> dr-xr-xr-x 2 root root 0 2012-03-29 10:01 seq
> -r--r--r-- 1 root root 0 2012-03-29 10:01 timers
> -r--r--r-- 1 root root 0 2012-03-29 10:01 version
>
>
> Thank you,
> David
>
> On Thu, Mar 29, 2012 at 3:08 AM, Clemens Ladisch <clemens at ladisch.de> wro=
te:
>> David Alexander wrote:
>>> kernel: [ =A0 74.128035] usb 2-4: new high speed USB device number 2
>>> kernel: [ =A0 74.634592] ALSA mixer.c:1938 usbaudio: unit 32: unexpecte=
d type 0x09
>>> kernel: [ =A0 74.634606] snd-usb-audio: probe of 2-4:1.0 failed with er=
ror -5
>>
>> 0x09 is UAC2's EXTENSION_UNIT, which should not be a reason for failing.
>> Please try the patch below.
>>
>>
>> Regards,
>> Clemens
>>
>>
>> --- a/sound/usb/mixer.c
>> +++ b/sound/usb/mixer.c
>> @@ -1926,7 +1926,7 @@ static int parse_audio_unit(struct mixer_build *st=
ate, int unitid)
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0return parse_audio_proces=
sing_unit(state, unitid, p1);
>> =A0 =A0 =A0 =A0default:
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0snd_printk(KERN_ERR "usbaudio: unit %u: u=
nexpected type 0x%02x\n", unitid, p1[2]);
>> - =A0 =A0 =A0 =A0 =A0 =A0 =A0 return -EINVAL;
>> + =A0 =A0 =A0 =A0 =A0 =A0 =A0 return 0;
>> =A0 =A0 =A0 =A0}
>> =A0}
>>