RE: [alsa-devel] ALSA:usb audio Higher sample rates on usb audio no longer working.

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Hi Con,

Thanks a lot for reporting the issue and also for taking your time to help me with lsusb output and dmesg logs.
I have sent a patch in another mail to fix this issue.
Could you help by checking if the patch fixes this issue for you?

Thanks,
Saranya

> -----Original Message-----
> From: Con Kolivas [mailto:kernel@xxxxxxxxxxx]
> Sent: Saturday, January 05, 2019 2:05 AM
> To: Gopal, Saranya <saranya.gopal@xxxxxxxxx>
> Cc: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>; Takashi Iwai
> <tiwai@xxxxxxx>; alsa-devel@xxxxxxxxxxxxxxxx; linux-usb@xxxxxxxxxxxxxxx;
> linux-kernel <linux-kernel@xxxxxxxxxxxxxxx>; felipe.balbi@xxxxxxxxxxxxxxx
> Subject: Re: [alsa-devel] ALSA:usb audio Higher sample rates on usb audio no
> longer working.
> 
> Hi Saranya.
> 
> On Sat, 5 Jan 2019 at 03:52, Gopal, Saranya <saranya.gopal@xxxxxxxxx> wrote:
> 
> > And since I was not part of the initial mail thread, I might have missed some
> information.
> > Could someone give me lsusb -v output for this USB audio device.
> 
> These outputs are with the UAC3 patch backed out:
> 
> dmesg:
> [50384.859492] usb 2-1.8.4: new high-speed USB device number 26 using ehci-
> pci
> [50384.974496] usb 2-1.8.4: New USB device found, idVendor=19fb,
> idProduct=2040, bcdDevice= 2.00
> [50384.974500] usb 2-1.8.4: New USB device strings: Mfr=1, Product=2,
> SerialNumber=0
> [50384.974501] usb 2-1.8.4: Product: Anti-Mode X4
> [50384.974503] usb 2-1.8.4: Manufacturer: DSPeaker
> 
> lsusb -v:
> Bus 002 Device 026: ID 19fb:2040
> Device Descriptor:
>   bLength                18
>   bDescriptorType         1
>   bcdUSB               2.00
>   bDeviceClass          239 Miscellaneous Device
>   bDeviceSubClass         2 ?
>   bDeviceProtocol         1 Interface Association
>   bMaxPacketSize0        64
>   idVendor           0x19fb
>   idProduct          0x2040
>   bcdDevice            2.00
>   iManufacturer           1 DSPeaker
>   iProduct                2 Anti-Mode X4
>   iSerial                 0
>   bNumConfigurations      2
>   Configuration Descriptor:
>     bLength                 9
>     bDescriptorType         2
>     wTotalLength          254
>     bNumInterfaces          2
>     bConfigurationValue     1
>     iConfiguration          0
>     bmAttributes         0xc0
>       Self Powered
>     MaxPower              100mA
>     Interface Association:
>       bLength                 8
>       bDescriptorType        11
>       bFirstInterface         0
>       bInterfaceCount         2
>       bFunctionClass          1 Audio
>       bFunctionSubClass       0
>       bFunctionProtocol      32
>       iFunction               0
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        0
>       bAlternateSetting       0
>       bNumEndpoints           0
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      1 Control Device
>       bInterfaceProtocol     32
>       iInterface              0
>       AudioControl Interface Descriptor:
>         bLength                 9
>         bDescriptorType        36
>         bDescriptorSubtype      1 (HEADER)
>         bcdADC               2.00
>         bCategory              10
>         wTotalLength           60
>         bmControl            0x00
>       AudioControl Interface Descriptor:
>         bLength                 8
>         bDescriptorType        36
>         bDescriptorSubtype     10 (CLOCK_SOURCE)
>         bClockID               41
>         bmAttributes         0x03 Internal programmable Clock
>         bmControls           0x07
>           Clock Frequency Control (read/write)
>           Clock Validity Control (read-only)
>         bAssocTerminal          0
>         iClockSource            0
>       AudioControl Interface Descriptor:
>         bLength                 8
>         bDescriptorType        36
>         bDescriptorSubtype     11 (CLOCK_SELECTOR)
>         bUnitID                40
>         bNrInPins               1
>         baCSourceID( 0)        41
>         bmControls           0x00
>         iClockSelector          0
>       AudioControl Interface Descriptor:
>         bLength                17
>         bDescriptorType        36
>         bDescriptorSubtype      2 (INPUT_TERMINAL)
>         bTerminalID             1
>         wTerminalType      0x0101 USB Streaming
>         bAssocTerminal          0
>         bCSourceID             40
>         bNrChannels             2
>         bmChannelConfig   0x00000000
>         bmControls    0x0000
>         iChannelNames           4 Analog 1
>         iTerminal               0
>       AudioControl Interface Descriptor:
>         bLength                18
>         bDescriptorType        36
>         bDescriptorSubtype      6 (FEATURE_UNIT)
>         bUnitID                 3
>         bSourceID               1
>         bmaControls( 0)      0x0000000f
>           Mute Control (read/write)
>           Volume Control (read/write)
>         bmaControls( 1)      0x00000000
>         bmaControls( 2)      0x00000000
>         iFeature                0
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        1
>       bAlternateSetting       0
>       bNumEndpoints           0
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol     32
>       iInterface              0
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        1
>       bAlternateSetting       1
>       bNumEndpoints           2
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol     32
>       iInterface              0
>       AudioStreaming Interface Descriptor:
>         bLength                16
>         bDescriptorType        36
>         bDescriptorSubtype      1 (AS_GENERAL)
>         bTerminalLink           1
>         bmControls           0x00
>         bFormatType             1
>         bmFormats         0x00000001
>           PCM
>         bNrChannels             2
>         bmChannelConfig   0x00000000
>         iChannelNames           0
>       AudioStreaming Interface Descriptor:
>         bLength                 6
>         bDescriptorType        36
>         bDescriptorSubtype      2 (FORMAT_TYPE)
>         bFormatType             1 (FORMAT_TYPE_I)
>         bSubslotSize            3
>         bBitResolution         24
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x01  EP 1 OUT
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x010e  1x 270 bytes
>         bInterval               1
>         AudioControl Endpoint Descriptor:
>           bLength                 8
>           bDescriptorType        37
>           bDescriptorSubtype      1 (EP_GENERAL)
>           bmAttributes         0x00
>           bmControls           0x00
>           bLockDelayUnits         2 Decoded PCM samples
>           wLockDelay              8
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x81  EP 1 IN
>         bmAttributes           17
>           Transfer Type            Isochronous
>           Synch Type               None
>           Usage Type               Feedback
>         wMaxPacketSize     0x0004  1x 4 bytes
>         bInterval               4
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        1
>       bAlternateSetting       2
>       bNumEndpoints           2
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol     32
>       iInterface              0
>       AudioStreaming Interface Descriptor:
>         bLength                16
>         bDescriptorType        36
>         bDescriptorSubtype      1 (AS_GENERAL)
>         bTerminalLink           1
>         bmControls           0x00
>         bFormatType             1
>         bmFormats         0x00000001
>           PCM
>         bNrChannels             2
>         bmChannelConfig   0x00000000
>         iChannelNames           0
>       AudioStreaming Interface Descriptor:
>         bLength                 6
>         bDescriptorType        36
>         bDescriptorSubtype      2 (FORMAT_TYPE)
>         bFormatType             1 (FORMAT_TYPE_I)
>         bSubslotSize            2
>         bBitResolution         16
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x01  EP 1 OUT
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x010e  1x 270 bytes
>         bInterval               1
>         AudioControl Endpoint Descriptor:
>           bLength                 8
>           bDescriptorType        37
>           bDescriptorSubtype      1 (EP_GENERAL)
>           bmAttributes         0x00
>           bmControls           0x00
>           bLockDelayUnits         2 Decoded PCM samples
>           wLockDelay              8
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x81  EP 1 IN
>         bmAttributes           17
>           Transfer Type            Isochronous
>           Synch Type               None
>           Usage Type               Feedback
>         wMaxPacketSize     0x0004  1x 4 bytes
>         bInterval               4
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        1
>       bAlternateSetting       3
>       bNumEndpoints           2
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol     32
>       iInterface              0
>       AudioStreaming Interface Descriptor:
>         bLength                16
>         bDescriptorType        36
>         bDescriptorSubtype      1 (AS_GENERAL)
>         bTerminalLink           1
>         bmControls           0x00
>         bFormatType             1
>         bmFormats         0x80000000
>         bNrChannels             2
>         bmChannelConfig   0x00000000
>         iChannelNames           0
>       AudioStreaming Interface Descriptor:
>         bLength                 6
>         bDescriptorType        36
>         bDescriptorSubtype      2 (FORMAT_TYPE)
>         bFormatType             1 (FORMAT_TYPE_I)
>         bSubslotSize            4
>         bBitResolution         32
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x01  EP 1 OUT
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x0190  1x 400 bytes
>         bInterval               1
>         AudioControl Endpoint Descriptor:
>           bLength                 8
>           bDescriptorType        37
>           bDescriptorSubtype      1 (EP_GENERAL)
>           bmAttributes         0x00
>           bmControls           0x00
>           bLockDelayUnits         2 Decoded PCM samples
>           wLockDelay              8
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x81  EP 1 IN
>         bmAttributes           17
>           Transfer Type            Isochronous
>           Synch Type               None
>           Usage Type               Feedback
>         wMaxPacketSize     0x0004  1x 4 bytes
>         bInterval               4
>   Configuration Descriptor:
>     bLength                 9
>     bDescriptorType         2
>     wTotalLength          186
>     bNumInterfaces          2
>     bConfigurationValue     2
>     iConfiguration          0
>     bmAttributes         0xc0
>       Self Powered
>     MaxPower              100mA
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        0
>       bAlternateSetting       0
>       bNumEndpoints           0
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      1 Control Device
>       bInterfaceProtocol      0
>       iInterface              0
>       AudioControl Interface Descriptor:
>         bLength                 9
>         bDescriptorType        36
>         bDescriptorSubtype      1 (HEADER)
>         bcdADC               1.00
>         wTotalLength           43
>         bInCollection           1
>         baInterfaceNr( 0)       1
>       AudioControl Interface Descriptor:
>         bLength                12
>         bDescriptorType        36
>         bDescriptorSubtype      2 (INPUT_TERMINAL)
>         bTerminalID             1
>         wTerminalType      0x0101 USB Streaming
>         bAssocTerminal          0
>         bNrChannels             2
>         wChannelConfig     0x0003
>           Left Front (L)
>           Right Front (R)
>         iChannelNames           0
>         iTerminal               0
>       AudioControl Interface Descriptor:
>         bLength                13
>         bDescriptorType        36
>         bDescriptorSubtype      6 (FEATURE_UNIT)
>         bUnitID                 3
>         bSourceID               1
>         bControlSize            2
>         bmaControls( 0)      0x03
>         bmaControls( 0)      0x00
>           Mute Control
>           Volume Control
>         bmaControls( 1)      0x00
>         bmaControls( 1)      0x00
>         bmaControls( 2)      0x00
>         bmaControls( 2)      0x00
>         iFeature                0
>       AudioControl Interface Descriptor:
>         bLength                 9
>         bDescriptorType        36
>         bDescriptorSubtype      3 (OUTPUT_TERMINAL)
>         bTerminalID             2
>         wTerminalType      0x0305 Room Speaker
>         bAssocTerminal          0
>         bSourceID               3
>         iTerminal               0
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        1
>       bAlternateSetting       0
>       bNumEndpoints           0
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol      0
>       iInterface              0
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        1
>       bAlternateSetting       1
>       bNumEndpoints           2
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol      0
>       iInterface              0
>       AudioStreaming Interface Descriptor:
>         bLength                 7
>         bDescriptorType        36
>         bDescriptorSubtype      1 (AS_GENERAL)
>         bTerminalLink           1
>         bDelay                  3 frames
>         wFormatTag              1 PCM
>       AudioStreaming Interface Descriptor:
>         bLength                17
>         bDescriptorType        36
>         bDescriptorSubtype      2 (FORMAT_TYPE)
>         bFormatType             1 (FORMAT_TYPE_I)
>         bNrChannels             2
>         bSubframeSize           3
>         bBitResolution         24
>         bSamFreqType            3 Discrete
>         tSamFreq[ 0]        44100
>         tSamFreq[ 1]        48000
>         tSamFreq[ 2]        96000
>       Endpoint Descriptor:
>         bLength                 9
>         bDescriptorType         5
>         bEndpointAddress     0x01  EP 1 OUT
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x0258  1x 600 bytes
>         bInterval               4
>         bRefresh                0
>         bSynchAddress         129
>         AudioControl Endpoint Descriptor:
>           bLength                 7
>           bDescriptorType        37
>           bDescriptorSubtype      1 (EP_GENERAL)
>           bmAttributes         0x01
>             Sampling Frequency
>           bLockDelayUnits         2 Decoded PCM samples
>           wLockDelay              0 Decoded PCM samples
>       Endpoint Descriptor:
>         bLength                 9
>         bDescriptorType         5
>         bEndpointAddress     0x81  EP 1 IN
>         bmAttributes           17
>           Transfer Type            Isochronous
>           Synch Type               None
>           Usage Type               Feedback
>         wMaxPacketSize     0x0003  1x 3 bytes
>         bInterval               4
>         bRefresh                4
>         bSynchAddress           0
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        1
>       bAlternateSetting       2
>       bNumEndpoints           2
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol      0
>       iInterface              0
>       AudioStreaming Interface Descriptor:
>         bLength                 7
>         bDescriptorType        36
>         bDescriptorSubtype      1 (AS_GENERAL)
>         bTerminalLink           1
>         bDelay                  3 frames
>         wFormatTag              1 PCM
>       AudioStreaming Interface Descriptor:
>         bLength                17
>         bDescriptorType        36
>         bDescriptorSubtype      2 (FORMAT_TYPE)
>         bFormatType             1 (FORMAT_TYPE_I)
>         bNrChannels             2
>         bSubframeSize           2
>         bBitResolution         16
>         bSamFreqType            3 Discrete
>         tSamFreq[ 0]        44100
>         tSamFreq[ 1]        48000
>         tSamFreq[ 2]        96000
>       Endpoint Descriptor:
>         bLength                 9
>         bDescriptorType         5
>         bEndpointAddress     0x01  EP 1 OUT
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x0258  1x 600 bytes
>         bInterval               4
>         bRefresh                0
>         bSynchAddress         129
>         AudioControl Endpoint Descriptor:
>           bLength                 7
>           bDescriptorType        37
>           bDescriptorSubtype      1 (EP_GENERAL)
>           bmAttributes         0x01
>             Sampling Frequency
>           bLockDelayUnits         2 Decoded PCM samples
>           wLockDelay              0 Decoded PCM samples
>       Endpoint Descriptor:
>         bLength                 9
>         bDescriptorType         5
>         bEndpointAddress     0x81  EP 1 IN
>         bmAttributes           17
>           Transfer Type            Isochronous
>           Synch Type               None
>           Usage Type               Feedback
>         wMaxPacketSize     0x0003  1x 3 bytes
>         bInterval               4
>         bRefresh                4
>         bSynchAddress           0
> Device Qualifier (for other device speed):
>   bLength                10
>   bDescriptorType         6
>   bcdUSB               2.00
>   bDeviceClass          239 Miscellaneous Device
>   bDeviceSubClass         2 ?
>   bDeviceProtocol         1 Interface Association
>   bMaxPacketSize0        64
>   bNumConfigurations      2
> Device Status:     0x0000
>   (Bus Powered)
> 
> >
> > Thanks,
> > Saranya
> 
> Regards,
> Con
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