[alsa-devel] [PATCH] ALSA: usb-audio: Disable quirks for BOSS Katana amplifiers
Mailing Lists
maillist at superlative.org
Wed Oct 14 19:23:00 CEST 2020
Hi Mike,
I'm getting this:
[Oct14 18:21] snd_usb_audio:set_format: usb 1-4: setting usb interface 1:1
[ +0.000003] snd_usb_audio:snd_usb_add_endpoint: usb 1-4: Re-using EP d in
iface 1,1 @00000000d0aa6911
[ +0.000018] snd_usb_audio:snd_usb_endpoint_set_params: usb 1-4: Setting
params for ep #d (type 0, 3 urbs), ret=0
[ +0.000002] snd_usb_audio:start_endpoints: usb 1-4: Starting data EP
@00000000d0aa6911
Cheers,
Keith
On Wed, 14 Oct 2020 at 17:46, Mike Oliphant <oliphant at nostatic.org> wrote:
> Hi Keith,
>
> The lsusb output just shows that the endpoint is there, but not that it is
> getting connected when the device is initialized. Can you check dmesg
> output when you use the device for playback?
>
> This is what I see from dmesg when the implicit feedback endpoint is being
> used:
>
> [ 26.787360] usb 1-1.1: setting usb interface 1:1
> [ 26.787367] Creating new playback data endpoint #d
> [ 26.787375] Creating new capture data endpoint #8e
> [ 26.787678] usb 1-1.1: Setting params for ep #d (type 0, 12 urbs), ret=0
> [ 26.787685] usb 1-1.1: match_endpoint_audioformats: (fmt @6bc43c84)
> score 2
> [ 26.787745] usb 1-1.1: Setting params for ep #8e (type 0, 12 urbs),
> ret=0
> [ 26.787751] usb 1-1.1: Starting data EP @a14130b5
> [ 26.788420] usb 1-1.1: Starting sync EP @720fb7cf
>
> Note the "Starting sync EP".
>
> Mike
>
> On Wed, Oct 14, 2020 at 9:35 AM Mailing Lists <maillist at superlative.org>
> wrote:
>
>> On Wed, 14 Oct 2020 at 17:12, Mike Oliphant <oliphant at nostatic.org>
>> wrote:
>>
>>> Keith - are you getting an implicit feedback endpoint created when you
>>> run with the patch?
>>>
>>
>> Hi Mike,
>>
>> It appears that I do. For reference I'm on kernel 5.4.0-51:
>>
>> Bus 001 Device 007: ID 0582:01d6 Roland Corp. GT-1
>> Device Descriptor:
>> bLength 18
>> bDescriptorType 1
>> bcdUSB 2.00
>> bDeviceClass 255 Vendor Specific Class
>> bDeviceSubClass 0
>> bDeviceProtocol 255
>> bMaxPacketSize0 64
>> idVendor 0x0582 Roland Corp.
>> idProduct 0x01d6
>> bcdDevice 0.00
>> iManufacturer 1 BOSS
>> iProduct 2 GT-1
>> iSerial 0
>> bNumConfigurations 1
>> Configuration Descriptor:
>> bLength 9
>> bDescriptorType 2
>> wTotalLength 0x00bc
>> bNumInterfaces 4
>> bConfigurationValue 1
>> iConfiguration 0
>> bmAttributes 0xc0
>> Self Powered
>> MaxPower 0mA
>> Interface Descriptor:
>> bLength 9
>> bDescriptorType 4
>> bInterfaceNumber 0
>> bAlternateSetting 0
>> bNumEndpoints 0
>> bInterfaceClass 255 Vendor Specific Class
>> bInterfaceSubClass 255 Vendor Specific Subclass
>> bInterfaceProtocol 0
>> iInterface 0
>> Interface Descriptor:
>> bLength 9
>> bDescriptorType 4
>> bInterfaceNumber 1
>> bAlternateSetting 0
>> bNumEndpoints 0
>> bInterfaceClass 255 Vendor Specific Class
>> bInterfaceSubClass 2
>> bInterfaceProtocol 2
>> iInterface 0
>> ** UNRECOGNIZED: 06 24 f1 01 00 00
>> Interface Descriptor:
>> bLength 9
>> bDescriptorType 4
>> bInterfaceNumber 1
>> bAlternateSetting 1
>> bNumEndpoints 1
>> bInterfaceClass 255 Vendor Specific Class
>> bInterfaceSubClass 2
>> bInterfaceProtocol 2
>> iInterface 0
>> ** UNRECOGNIZED: 07 24 01 01 00 01 00
>> ** UNRECOGNIZED: 0b 24 02 01 02 04 18 01 44 ac 00
>> ** UNRECOGNIZED: 06 24 f1 04 16 00
>> Endpoint Descriptor:
>> bLength 7
>> bDescriptorType 5
>> bEndpointAddress 0x0d EP 13 OUT
>> bmAttributes 5
>> Transfer Type Isochronous
>> Synch Type Asynchronous
>> Usage Type Data
>> wMaxPacketSize 0x0038 1x 56 bytes
>> bInterval 1
>> Interface Descriptor:
>> bLength 9
>> bDescriptorType 4
>> bInterfaceNumber 2
>> bAlternateSetting 0
>> bNumEndpoints 0
>> bInterfaceClass 255 Vendor Specific Class
>> bInterfaceSubClass 2
>> bInterfaceProtocol 1
>> iInterface 0
>> Interface Descriptor:
>> bLength 9
>> bDescriptorType 4
>> bInterfaceNumber 2
>> bAlternateSetting 1
>> bNumEndpoints 1
>> bInterfaceClass 255 Vendor Specific Class
>> bInterfaceSubClass 2
>> bInterfaceProtocol 1
>> iInterface 0
>> ** UNRECOGNIZED: 07 24 01 07 00 01 00
>> ** UNRECOGNIZED: 0b 24 02 01 02 04 18 01 44 ac 00
>> ** UNRECOGNIZED: 06 24 f1 04 16 00
>> Endpoint Descriptor:
>> bLength 7
>> bDescriptorType 5
>> bEndpointAddress 0x8e EP 14 IN
>> bmAttributes 37
>> Transfer Type Isochronous
>> Synch Type Asynchronous
>> Usage Type Implicit feedback Data
>> wMaxPacketSize 0x0038 1x 56 bytes
>> bInterval 1
>> Interface Descriptor:
>> bLength 9
>> bDescriptorType 4
>> bInterfaceNumber 3
>> bAlternateSetting 0
>> bNumEndpoints 2
>> bInterfaceClass 255 Vendor Specific Class
>> bInterfaceSubClass 3
>> bInterfaceProtocol 0
>> iInterface 0
>> ** UNRECOGNIZED: 06 24 f1 02 01 01
>> 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 1
>> 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
>> Interface Descriptor:
>> bLength 9
>> bDescriptorType 4
>> bInterfaceNumber 3
>> bAlternateSetting 1
>> bNumEndpoints 2
>> bInterfaceClass 255 Vendor Specific Class
>> bInterfaceSubClass 3
>> bInterfaceProtocol 0
>> iInterface 0
>> Endpoint Descriptor:
>> bLength 7
>> bDescriptorType 5
>> bEndpointAddress 0x03 EP 3 OUT
>> bmAttributes 3
>> Transfer Type Interrupt
>> Synch Type None
>> Usage Type Data
>> wMaxPacketSize 0x0200 1x 512 bytes
>> bInterval 4
>> Endpoint Descriptor:
>> bLength 7
>> bDescriptorType 5
>> bEndpointAddress 0x85 EP 5 IN
>> bmAttributes 3
>> Transfer Type Interrupt
>> Synch Type None
>> Usage Type Data
>> wMaxPacketSize 0x0200 1x 512 bytes
>> bInterval 4
>> Device Qualifier (for other device speed):
>> bLength 10
>> bDescriptorType 6
>> bcdUSB 2.00
>> bDeviceClass 255 Vendor Specific Class
>> bDeviceSubClass 0
>> bDeviceProtocol 255
>> bMaxPacketSize0 64
>> bNumConfigurations 1
>> can't get debug descriptor: Resource temporarily unavailable
>> Device Status: 0x0001
>> Self Powered
>>
>>
>> --
>> Keith A Milner
>>
>
--
--
Keith A Milner
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