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From: meschi@posteo.de
To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@alsa-project.org
Subject: Re: Steinberg UR22 Crackling and Clicks
Date: Tue, 08 Dec 2020 15:50:28 +0100	[thread overview]
Message-ID: <61da73624ff3855867b8e65936fc2e1c@posteo.de> (raw)
In-Reply-To: <s5hft4gy4ar.wl-tiwai@suse.de>

> It's likely the issues with the implicit feedback.
> 
> The latest development tree (either linux-next tree or
> topic/usb-audio-refactoring branch of my sound.git tree) contains the
> improvements of the implicit feedback mode.
> 
> 
> Takashi

Here is the cropped lsusb -v output:
I also have dmesg output with debug boot flag enabled.

Bus 001 Device 003: ID 0499:1509 Yamaha Corp. Steinberg UR22
Device Descriptor:
   bLength                18
   bDescriptorType         1
   bcdUSB               2.00
   bDeviceClass          255 Vendor Specific Class
   bDeviceSubClass         0
   bDeviceProtocol       255
   bMaxPacketSize0        64
   idVendor           0x0499 Yamaha Corp.
   idProduct          0x1509
   bcdDevice            1.00
   iManufacturer           1
   iProduct                2
   iSerial                 0
   bNumConfigurations      1
   Configuration Descriptor:
     bLength                 9
     bDescriptorType         2
     wTotalLength       0x01ba
     bNumInterfaces          5
     bConfigurationValue     1
     iConfiguration          0
     bmAttributes         0xc0
       Self Powered
     MaxPower              500mA
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        0
       bAlternateSetting       0
       bNumEndpoints           0
       bInterfaceClass       255 Vendor Specific Class
       bInterfaceSubClass      1
       bInterfaceProtocol      0
       iInterface              0
       ** UNRECOGNIZED:  0a 24 01 00 01 34 00 02 01 02
       ** UNRECOGNIZED:  0c 24 02 01 01 01 00 02 03 00 00 00
       ** UNRECOGNIZED:  09 24 03 02 01 03 00 01 00
       ** UNRECOGNIZED:  0c 24 02 03 03 06 00 02 03 00 00 00
       ** UNRECOGNIZED:  09 24 03 04 01 01 00 03 00
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        1
       bAlternateSetting       0
       bNumEndpoints           0
       bInterfaceClass       255 Vendor Specific Class
       bInterfaceSubClass      2
       bInterfaceProtocol      0
       iInterface              0
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        1
       bAlternateSetting       1
       bNumEndpoints           1
       bInterfaceClass       255 Vendor Specific Class
       bInterfaceSubClass      2
       bInterfaceProtocol      0
       iInterface              0
       ** UNRECOGNIZED:  07 24 01 01 01 01 00
       ** UNRECOGNIZED:  0e 24 02 01 02 03 18 02 44 ac 00 80 bb 00
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x07  EP 7 OUT
         bmAttributes            5
           Transfer Type            Isochronous
           Synch Type               Asynchronous
           Usage Type               Data
         wMaxPacketSize     0x002a  1x 42 bytes
         bInterval               1
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        1
       bAlternateSetting       2
       bNumEndpoints           1
       bInterfaceClass       255 Vendor Specific Class
       bInterfaceSubClass      2
       bInterfaceProtocol      0
       iInterface              0
       ** UNRECOGNIZED:  07 24 01 01 01 01 00
       ** UNRECOGNIZED:  0e 24 02 01 02 03 18 02 88 58 01 00 77 01
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x07  EP 7 OUT
         bmAttributes            5
           Transfer Type            Isochronous
           Synch Type               Asynchronous
           Usage Type               Data
         wMaxPacketSize     0x004e  1x 78 bytes
         bInterval               1
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        1
       bAlternateSetting       3
       bNumEndpoints           1
       bInterfaceClass       255 Vendor Specific Class
       bInterfaceSubClass      2
       bInterfaceProtocol      0
       iInterface              0
       ** UNRECOGNIZED:  07 24 01 01 01 01 00
       ** UNRECOGNIZED:  0e 24 02 01 02 03 18 02 10 b1 02 00 ee 02
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x07  EP 7 OUT
         bmAttributes            5
           Transfer Type            Isochronous
           Synch Type               Asynchronous
           Usage Type               Data
         wMaxPacketSize     0x0096  1x 150 bytes
         bInterval               1
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        2
       bAlternateSetting       0
       bNumEndpoints           0
       bInterfaceClass       255 Vendor Specific Class
       bInterfaceSubClass      2
       bInterfaceProtocol      0
       iInterface              0
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        2
       bAlternateSetting       1
       bNumEndpoints           1
       bInterfaceClass       255 Vendor Specific Class
       bInterfaceSubClass      2
       bInterfaceProtocol      0
       iInterface              0
       ** UNRECOGNIZED:  07 24 01 04 01 01 00
       ** UNRECOGNIZED:  0e 24 02 01 02 03 18 02 44 ac 00 80 bb 00
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x86  EP 6 IN
         bmAttributes            5
           Transfer Type            Isochronous
           Synch Type               Asynchronous
           Usage Type               Data
         wMaxPacketSize     0x002a  1x 42 bytes
         bInterval               1
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        2
       bAlternateSetting       2
       bNumEndpoints           1
       bInterfaceClass       255 Vendor Specific Class
       bInterfaceSubClass      2
       bInterfaceProtocol      0
       iInterface              0
       ** UNRECOGNIZED:  07 24 01 04 01 01 00
       ** UNRECOGNIZED:  0e 24 02 01 02 03 18 02 88 58 01 00 77 01
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x86  EP 6 IN
         bmAttributes            5
           Transfer Type            Isochronous
           Synch Type               Asynchronous
           Usage Type               Data
         wMaxPacketSize     0x004e  1x 78 bytes
         bInterval               1
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        2
       bAlternateSetting       3
       bNumEndpoints           1
       bInterfaceClass       255 Vendor Specific Class
       bInterfaceSubClass      2
       bInterfaceProtocol      0
       iInterface              0
       ** UNRECOGNIZED:  07 24 01 04 01 01 00
       ** UNRECOGNIZED:  0e 24 02 01 02 03 18 02 10 b1 02 00 ee 02
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x86  EP 6 IN
         bmAttributes            5
           Transfer Type            Isochronous
           Synch Type               Asynchronous
           Usage Type               Data
         wMaxPacketSize     0x0096  1x 150 bytes
         bInterval               1
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        3
       bAlternateSetting       0
       bNumEndpoints           2
       bInterfaceClass       255 Vendor Specific Class
       bInterfaceSubClass      3
       bInterfaceProtocol    255
       iInterface              0
       ** UNRECOGNIZED:  07 24 01 00 01 24 00
       ** UNRECOGNIZED:  06 24 02 02 01 00
       ** UNRECOGNIZED:  09 24 03 02 01 01 01 01 00
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x01  EP 1 OUT
         bmAttributes            2
           Transfer Type            Bulk
           Synch Type               None
           Usage Type               Data
         wMaxPacketSize     0x0200  1x 512 bytes
         bInterval               0
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x82  EP 2 IN
         bmAttributes            2
           Transfer Type            Bulk
           Synch Type               None
           Usage Type               Data
         wMaxPacketSize     0x0200  1x 512 bytes
         bInterval               0
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        4
       bAlternateSetting       0
       bNumEndpoints           2
       bInterfaceClass       255 Vendor Specific Class
       bInterfaceSubClass    255 Vendor Specific Subclass
       bInterfaceProtocol    255 Vendor Specific Protocol
       iInterface              0
       ** UNRECOGNIZED:  07 24 01 00 01 24 00
       ** UNRECOGNIZED:  06 24 02 02 01 00
       ** UNRECOGNIZED:  09 24 03 02 01 01 01 01 00
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x03  EP 3 OUT
         bmAttributes            2
           Transfer Type            Bulk
           Synch Type               None
           Usage Type               Data
         wMaxPacketSize     0x0200  1x 512 bytes
         bInterval               0
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x84  EP 4 IN
         bmAttributes            2
           Transfer Type            Bulk
           Synch Type               None
           Usage Type               Data
         wMaxPacketSize     0x0200  1x 512 bytes
         bInterval               0

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
   bLength                18
   bDescriptorType         1
   bcdUSB               2.00
   bDeviceClass            9 Hub
   bDeviceSubClass         0
   bDeviceProtocol         0 Full speed (or root) hub
   bMaxPacketSize0        64
   idVendor           0x1d6b Linux Foundation
   idProduct          0x0002 2.0 root hub
   bcdDevice            5.10
   iManufacturer           3
   iProduct                2
   iSerial                 1
   bNumConfigurations      1
   Configuration Descriptor:
     bLength                 9
     bDescriptorType         2
     wTotalLength       0x0019
     bNumInterfaces          1
     bConfigurationValue     1
     iConfiguration          0
     bmAttributes         0xe0
       Self Powered
       Remote Wakeup
     MaxPower                0mA
     Interface Descriptor:
       bLength                 9
       bDescriptorType         4
       bInterfaceNumber        0
       bAlternateSetting       0
       bNumEndpoints           1
       bInterfaceClass         9 Hub
       bInterfaceSubClass      0
       bInterfaceProtocol      0 Full speed (or root) hub
       iInterface              0
       Endpoint Descriptor:
         bLength                 7
         bDescriptorType         5
         bEndpointAddress     0x81  EP 1 IN
         bmAttributes            3
           Transfer Type            Interrupt
           Synch Type               None
           Usage Type               Data
         wMaxPacketSize     0x0004  1x 4 bytes
         bInterval              12



  reply	other threads:[~2020-12-08 14:51 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-08 10:15 Steinberg UR22 Crackling and Clicks meschi
2020-12-08 10:34 ` Takashi Iwai
2020-12-08 14:50   ` meschi [this message]
2020-12-08 14:57     ` Takashi Iwai
2020-12-08 19:41       ` meschi
2020-12-08 20:23         ` Takashi Iwai
2020-12-08 20:53           ` meschi
2020-12-08 21:29             ` Takashi Iwai
2020-12-08 22:14               ` meschi
2020-12-09  6:58                 ` Takashi Iwai
2020-12-09 11:56                   ` meschi
2020-12-09 12:00                     ` Takashi Iwai
2020-12-09 12:10                       ` meschi
2020-12-09 12:13                         ` Takashi Iwai
2020-12-09 16:07                           ` Kilian
2020-12-09 16:09                             ` Takashi Iwai
  -- strict thread matches above, loose matches on Subject: below --
2020-12-08 14:00 meschi

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