[alsa-devel] [PATCH] add Steinberg UR44 USB Audio Interface support to quirks-table

[Vlad Catoi]

Cyrus, 

Pass it along, I can try it on the UR22 as well.

~Vlad

On Wed, 2014-11-05 at 20:39 -0800, Cyrus Harmon wrote:
> Hi Takashi,
> 
> Clemens has sent me another diagnostic/debugging patch to try. Perhaps 
> we should wait to see the results of that before pushing to for-next. If 
> we don't get a deeper understanding of the problem in the next couple of 
> days, I'll send along the original patch.
> 
> thanks,
> 
> Cyrus
> 
> On 11/05/2014 03:14 PM, Takashi Iwai wrote:
> > At Tue, 04 Nov 2014 00:55:11 -0800,
> > Cyrus Harmon wrote:
> >>
> >> I have used a number of 3.1x kernels. At the moment, I'm writing this
> >> from a 3.17.0 kernel that doesn't recognize the UR44 without my patch.
> > OK, could you repost the patch (and put me to Cc) so that I can apply
> > to for-next branch?
> >
> >
> > thanks,
> >
> > Takashi
> >
> >
> >> thanks,
> >>
> >> Cyrus
> >>
> >> On 11/03/2014 10:28 PM, Takashi Iwai wrote:
> >>> At Mon, 03 Nov 2014 16:36:58 -0800,
> >>> Cyrus Harmon wrote:
> >>>> Well, it's 7 months on and I'm still using a patched kernel to access my
> >>>> UR44. Any chance of either seeing my original patch committed, or some
> >>>> suggestions on a more proper fix, if there's something with my original
> >>>> patch?
> >>> Which kernel version are you testing?
> >>>
> >>>
> >>> Takashi
> >>>
> >>>> thanks,
> >>>>
> >>>> Cyrus
> >>>>
> >>>> On 03/17/2014 09:29 AM, Cyrus Harmon wrote:
> >>>>> On Mar 11, 2014, at 1:31 AM, Clemens Ladisch <clemens at ladisch.de> wrote:
> >>>>>
> >>>>>> Cyrus Harmon wrote:
> >>>>>>> On Mar 10, 2014, at 8:40 AM, Clemens Ladisch <clemens at ladisch.de> wrote:
> >>>>>>>> In theory, kernel 3.11 and later should support this device without
> >>>>>>>> a quirk entry.  I guess it actually does not?
> >>>>>>> no, the stock kernel doesn’t support this device.
> >>>>>> Strange; in theory, the driver should be able to pick up these
> >>>>>> descriptors.
> >>>>>>
> >>>>>> Are there any error messages in the system log when you plug it in or
> >>>>>> reload the unpatch snd-usb-audio driver?
> >>>>> Following up on this from last week, here’s the error message I see with an unpatched kernel:
> >>>>>
> >>>>> Mar 11 02:25:11 cbox kernel: [   82.426640] usb 2-1.6: new high-speed USB device number 4 using ehci-pci
> >>>>> Mar 11 02:25:12 cbox kernel: [   82.515364] usb 2-1.6: New USB device found, idVendor=0499, idProduct=150e
> >>>>> Mar 11 02:25:12 cbox kernel: [   82.515368] usb 2-1.6: New USB device strings: Mfr=1, Product=2, SerialNumber=0
> >>>>> Mar 11 02:25:12 cbox kernel: [   82.515370] usb 2-1.6: Product: Steinberg UR44
> >>>>> Mar 11 02:25:12 cbox kernel: [   82.515372] usb 2-1.6: Manufacturer: Yamaha Corporation
> >>>>> Mar 11 02:25:12 cbox kernel: [   82.518134] snd-usb-audio: probe of 2-1.6:1.0 failed with error -5
> >>>>> Mar 11 02:25:12 cbox kernel: [   82.523317] snd-usb-audio: probe of 2-1.6:1.1 failed with error -5
> >>>>> Mar 11 02:25:12 cbox mtp-probe: checking bus 2, device 4: "/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6"
> >>>>> Mar 11 02:25:12 cbox mtp-probe: bus: 2, device: 4 was not an MTP device
> >>>>>
> >>>>> Any suggestions for further debugging this?
> >>>>>
> >>>>> Also, from an earlier message,
> >>>>>
> >>>>> On Mar 10, 2014, at 8:40 AM, Clemens Ladisch <clemens at ladisch.de> wrote:
> >>>>>
> >>>>>> This sounds as if the playback stream needs to be synchronized to the
> >>>>>> recording stream
> >>>>> Any pointers on where I might look to figure out how to do this?
> >>>>>
> >>>>> thanks again,
> >>>>>
> >>>>> Cyrus
> >>>>>
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