From: Cyril Hrubis <metan.lists@gmail.com>
To: Daniel Mack <zonque@gmail.com>
Cc: ALSA Development Mailing List <alsa-devel@alsa-project.org>
Subject: Re: TASCAM US-122mkII
Date: Fri, 19 Aug 2011 13:37:28 +0200 [thread overview]
Message-ID: <20110819113727.GA9522@yumi> (raw)
In-Reply-To: <CACTFLANmONgmCtPKFpofJGQ72a5BSbZHkj5+e=yGfDrynDPrQA@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 592 bytes --]
Hi!
> > The good news is that I have 122mkII to play with, the bad news is that
> > it doesn't work with the snd_usb_122l driver.
>
> IIRC, the 122mkII implements an entirely different USB protocol
> compared to its former version. Can you send your "lsusb -v" output?
Attached.
As far as I understand it, there are two endpoints for audio and two for
MIDI. The MIDI part seems to be initalized fine although I don't have
any MIDI device to test it.
And in the log from windows machine the audio part does some
intialization and then only buch of isochronous transfers.
--
Cyril Hrubis
[-- Attachment #2: lsusb.txt --]
[-- Type: text/plain, Size: 4013 bytes --]
Bus 001 Device 005: ID 0644:8021 TEAC Corp. TASCAM US-122mkII
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x0644 TEAC Corp.
idProduct 0x8021 TASCAM US-122mkII
bcdDevice 1.00
iManufacturer 1 TASCAM
iProduct 2 US-122 MKII
iSerial 3 no serial number
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 72
bNumInterfaces 2
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 480mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 1
bNumEndpoints 4
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x004e 1x 78 bytes
bInterval 1
bRefresh 0
bSynchAddress 0
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x004e 1x 78 bytes
bInterval 1
bRefresh 0
bSynchAddress 0
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0009 1x 9 bytes
bInterval 4
bRefresh 0
bSynchAddress 0
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x04 EP 4 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 4
bRefresh 0
bSynchAddress 0
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0000
(Bus Powered)
[-- Attachment #3: Type: text/plain, Size: 0 bytes --]
next prev parent reply other threads:[~2011-08-19 11:37 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-19 10:01 TASCAM US-122mkII Cyril Hrubis
2011-08-19 11:02 ` Daniel Mack
2011-08-19 11:37 ` Cyril Hrubis [this message]
2011-08-19 11:46 ` Daniel Mack
2011-08-19 11:54 ` Cyril Hrubis
2011-08-19 12:09 ` Cyril Hrubis
2011-08-19 13:06 ` Paul Menzel
2011-08-19 13:11 ` Cyril Hrubis
2011-08-26 14:52 ` Cyril Hrubis
2011-08-26 16:24 ` Cyril Hrubis
[not found] <BANLkTikBtN28qNwJf4nuTGL6jEGOw_jo6Q@mail.gmail.com>
2011-04-12 14:29 ` TASCAM US-122MKII Dominic Powell
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