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Date: Tue, 3 Jun 2025 12:46:57 +0300
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Ricardo Ribalda <ribalda@chromium.org>
Cc: Hans de Goede <hdegoede@redhat.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	=?utf-8?Q?Micha=C3=ABl?= Melchiore <rohel01@gmail.com>
Subject: Re: [PATCH] media: uvcvideo: Add quirk for HP Webcam HD 2300
Message-ID: <20250603094657.GA17823@pendragon.ideasonboard.com>
References: <20250602-uvc-hp-quirk-v1-1-7047d94d679f@chromium.org>
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In-Reply-To: <20250602-uvc-hp-quirk-v1-1-7047d94d679f@chromium.org>

Hi Ricardo,

Thank you for the patch.

On Mon, Jun 02, 2025 at 06:21:57PM +0000, Ricardo Ribalda wrote:
> HP Webcam HD 2300 does not seem to flip the FID bit according to spec.
> 
> Device Descriptor:
>   bLength                18
>   bDescriptorType         1
>   bcdUSB               2.00
>   bDeviceClass          239 Miscellaneous Device
>   bDeviceSubClass         2 [unknown]
>   bDeviceProtocol         1 Interface Association
>   bMaxPacketSize0        64
>   idVendor           0x03f0 HP, Inc
>   idProduct          0xe207 HP Webcam HD 2300
>   bcdDevice           10.20
>   iManufacturer           3 Hewlett Packard
>   iProduct                1 HP Webcam HD 2300
>   iSerial                 0
>   bNumConfigurations      1
> 
> Reported-by: Michaël Melchiore <rohel01@gmail.com>
> Closes: https://lore.kernel.org/linux-media/CA+q66aRvTigH15cUyfvzPJ2mfsDFMt=CjuYNwvAZb29w8b1KDA@mail.gmail.com
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> ---
> This was reported by Michaël Melchiore, who reported that the device
> works fine with quirks=16.
> 
> (Michaël, if you have means to test this patch it would be really
>  appreciated).
> 
> Device Descriptor:
>   bLength                18
>   bDescriptorType         1
>   bcdUSB               2.00
>   bDeviceClass          239 Miscellaneous Device
>   bDeviceSubClass         2 [unknown]
>   bDeviceProtocol         1 Interface Association
>   bMaxPacketSize0        64
>   idVendor           0x03f0 HP, Inc
>   idProduct          0xe207 HP Webcam HD 2300
>   bcdDevice           10.20
>   iManufacturer           3 Hewlett Packard
>   iProduct                1 HP Webcam HD 2300
>   iSerial                 0 
>   bNumConfigurations      1
>   Configuration Descriptor:
>     bLength                 9
>     bDescriptorType         2
>     wTotalLength       0x0884
>     bNumInterfaces          5
>     bConfigurationValue     1
>     iConfiguration          4 
>     bmAttributes         0x80
>       (Bus Powered)
>     MaxPower              500mA
>     Interface Association:
>       bLength                 8
>       bDescriptorType        11
>       bFirstInterface         0
>       bInterfaceCount         2
>       bFunctionClass         14 Video
>       bFunctionSubClass       3 Video Interface Collection
>       bFunctionProtocol       0 
>       iFunction               5 
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        0
>       bAlternateSetting       0
>       bNumEndpoints           1
>       bInterfaceClass        14 Video
>       bInterfaceSubClass      1 Video Control
>       bInterfaceProtocol      0 
>       iInterface              5 
>       VideoControl Interface Descriptor:
>         bLength                13
>         bDescriptorType        36
>         bDescriptorSubtype      1 (HEADER)
>         bcdUVC               1.00
>         wTotalLength       0x004e
>         dwClockFrequency       15.000000MHz
>         bInCollection           1
>         baInterfaceNr( 0)       1
>       VideoControl Interface Descriptor:
>         bLength                18
>         bDescriptorType        36
>         bDescriptorSubtype      2 (INPUT_TERMINAL)
>         bTerminalID             1
>         wTerminalType      0x0201 Camera Sensor
>         bAssocTerminal          0
>         iTerminal               0 
>         wObjectiveFocalLengthMin      0
>         wObjectiveFocalLengthMax      0
>         wOcularFocalLength            0
>         bControlSize                  3
>         bmControls           0x0000000a
>           Auto-Exposure Mode
>           Exposure Time (Absolute)
>       VideoControl Interface Descriptor:
>         bLength                11
>         bDescriptorType        36
>         bDescriptorSubtype      5 (PROCESSING_UNIT)
>       Warning: Descriptor too short
>         bUnitID                 2
>         bSourceID               1
>         wMaxMultiplier          0
>         bControlSize            2
>         bmControls     0x0000157f
>           Brightness
>           Contrast
>           Hue
>           Saturation
>           Sharpness
>           Gamma
>           White Balance Temperature
>           Backlight Compensation
>           Power Line Frequency
>           White Balance Temperature, Auto
>         iProcessing             0 
>         bmVideoStandards     0x09
>           None
>           SECAM - 625/50
>       VideoControl Interface Descriptor:
>         bLength                 9
>         bDescriptorType        36
>         bDescriptorSubtype      3 (OUTPUT_TERMINAL)
>         bTerminalID             3
>         wTerminalType      0x0101 USB Streaming
>         bAssocTerminal          0
>         bSourceID               4
>         iTerminal               0 
>       VideoControl Interface Descriptor:
>         bLength                27
>         bDescriptorType        36
>         bDescriptorSubtype      6 (EXTENSION_UNIT)
>         bUnitID                 4
>         guidExtensionCode         {1229a78c-47b4-4094-b0ce-db07386fb938}
>         bNumControls            3
>         bNrInPins               1
>         baSourceID( 0)          2
>         bControlSize            2
>         bmControls( 0)       0x01
>         bmControls( 1)       0x06
>         iExtension              0 
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x83  EP 3 IN
>         bmAttributes            3
>           Transfer Type            Interrupt
>           Synch Type               None
>           Usage Type               Data
>         wMaxPacketSize     0x0010  1x 16 bytes
>         bInterval               6
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        1
>       bAlternateSetting       0
>       bNumEndpoints           0
>       bInterfaceClass        14 Video
>       bInterfaceSubClass      2 Video Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>       VideoStreaming Interface Descriptor:
>         bLength                            15
>         bDescriptorType                    36
>         bDescriptorSubtype                  1 (INPUT_HEADER)
>         bNumFormats                         2
>         wTotalLength                   0x05e5
>         bEndpointAddress                 0x81  EP 1 IN
>         bmInfo                              0
>         bTerminalLink                       3
>         bStillCaptureMethod                 2
>         bTriggerSupport                     1
>         bTriggerUsage                       0
>         bControlSize                        1
>         bmaControls( 0)                     0
>         bmaControls( 1)                     0
>       VideoStreaming Interface Descriptor:
>         bLength                            27
>         bDescriptorType                    36
>         bDescriptorSubtype                  4 (FORMAT_UNCOMPRESSED)
>         bFormatIndex                        1
>         bNumFrameDescriptors               15
>         guidFormat                            {32595559-0000-0010-8000-00aa00389b71}
>         bBitsPerPixel                      16
>         bDefaultFrameIndex                  1
>         bAspectRatioX                       0
>         bAspectRatioY                       0
>         bmInterlaceFlags                 0x00
>           Interlaced stream or variable: No
>           Fields per frame: 2 fields
>           Field 1 first: No
>           Field pattern: Field 1 only
>         bCopyProtect                        0
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>         bFrameIndex                         1
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            640
>         wHeight                           480
>         dwMinBitRate                 39321600
>         dwMaxBitRate                147456000
>         dwMaxVideoFrameBufferSize      614400
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>         bFrameIndex                         2
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            160
>         wHeight                           120
>         dwMinBitRate                  2457600
>         dwMaxBitRate                  9216000
>         dwMaxVideoFrameBufferSize       38400
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>         bFrameIndex                         3
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            176
>         wHeight                           144
>         dwMinBitRate                  3244032
>         dwMaxBitRate                 12165120
>         dwMaxVideoFrameBufferSize       50688
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>         bFrameIndex                         4
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            320
>         wHeight                           240
>         dwMinBitRate                  9830400
>         dwMaxBitRate                 36864000
>         dwMaxVideoFrameBufferSize      153600
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>         bFrameIndex                         5
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            352
>         wHeight                           288
>         dwMinBitRate                 12976128
>         dwMaxBitRate                 48660480
>         dwMaxVideoFrameBufferSize      202752
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>         bFrameIndex                         6
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            424
>         wHeight                           240
>         dwMinBitRate                 13025280
>         dwMaxBitRate                 48844800
>         dwMaxVideoFrameBufferSize      203520
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>         bFrameIndex                         7
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            640
>         wHeight                           360
>         dwMinBitRate                 29491200
>         dwMaxBitRate                110592000
>         dwMaxVideoFrameBufferSize      460800
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            42
>         bDescriptorType                    36
>         bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>         bFrameIndex                         8
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            800
>         wHeight                           448
>         dwMinBitRate                 45875200
>         dwMaxBitRate                114688000
>         dwMaxVideoFrameBufferSize      716800
>         dwDefaultFrameInterval         500000
>         bFrameIntervalType                  4
>         dwFrameInterval( 0)            500000
>         dwFrameInterval( 1)            666666
>         dwFrameInterval( 2)           1000000
>         dwFrameInterval( 3)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            38
>         bDescriptorType                    36
>         bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>         bFrameIndex                         9
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            800
>         wHeight                           600
>         dwMinBitRate                 61440000
>         dwMaxBitRate                115200000
>         dwMaxVideoFrameBufferSize      960000
>         dwDefaultFrameInterval         666666
>         bFrameIntervalType                  3
>         dwFrameInterval( 0)            666666
>         dwFrameInterval( 1)           1000000
>         dwFrameInterval( 2)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            38
>         bDescriptorType                    36
>         bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>         bFrameIndex                        10
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            848
>         wHeight                           480
>         dwMinBitRate                 52101120
>         dwMaxBitRate                 97689600
>         dwMaxVideoFrameBufferSize      814080
>         dwDefaultFrameInterval         666666
>         bFrameIntervalType                  3
>         dwFrameInterval( 0)            666666
>         dwFrameInterval( 1)           1000000
>         dwFrameInterval( 2)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            38
>         bDescriptorType                    36
>         bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>         bFrameIndex                        11
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            960
>         wHeight                           540
>         dwMinBitRate                 66355200
>         dwMaxBitRate                124416000
>         dwMaxVideoFrameBufferSize     1036800
>         dwDefaultFrameInterval         666666
>         bFrameIntervalType                  3
>         dwFrameInterval( 0)            666666
>         dwFrameInterval( 1)           1000000
>         dwFrameInterval( 2)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            38
>         bDescriptorType                    36
>         bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>         bFrameIndex                        12
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            960
>         wHeight                           720
>         dwMinBitRate                 88473600
>         dwMaxBitRate                165888000
>         dwMaxVideoFrameBufferSize     1382400
>         dwDefaultFrameInterval         666666
>         bFrameIntervalType                  3
>         dwFrameInterval( 0)            666666
>         dwFrameInterval( 1)           1000000
>         dwFrameInterval( 2)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            34
>         bDescriptorType                    36
>         bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>         bFrameIndex                        13
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                           1280
>         wHeight                           720
>         dwMinBitRate                117964800
>         dwMaxBitRate                147456000
>         dwMaxVideoFrameBufferSize     1843200
>         dwDefaultFrameInterval        1000000
>         bFrameIntervalType                  2
>         dwFrameInterval( 0)           1000000
>         dwFrameInterval( 1)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            34
>         bDescriptorType                    36
>         bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>         bFrameIndex                        14
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                           1280
>         wHeight                           800
>         dwMinBitRate                131072000
>         dwMaxBitRate                163840000
>         dwMaxVideoFrameBufferSize     2048000
>         dwDefaultFrameInterval        1000000
>         bFrameIntervalType                  2
>         dwFrameInterval( 0)           1000000
>         dwFrameInterval( 1)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>         bFrameIndex                        15
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            640
>         wHeight                           480
>         dwMinBitRate                 39321600
>         dwMaxBitRate                147456000
>         dwMaxVideoFrameBufferSize      614400
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            62
>         bDescriptorType                    36
>         bDescriptorSubtype                  3 (STILL_IMAGE_FRAME)
>         bEndpointAddress                 0x00  EP 0 OUT
>         bNumImageSizePatterns              14
>         wWidth( 0)                       1280
>         wHeight( 0)                       800
>         wWidth( 1)                        160
>         wHeight( 1)                       120
>         wWidth( 2)                        176
>         wHeight( 2)                       144
>         wWidth( 3)                        320
>         wHeight( 3)                       240
>         wWidth( 4)                        352
>         wHeight( 4)                       288
>         wWidth( 5)                        424
>         wHeight( 5)                       240
>         wWidth( 6)                        640
>         wHeight( 6)                       360
>         wWidth( 7)                        640
>         wHeight( 7)                       480
>         wWidth( 8)                        800
>         wHeight( 8)                       448
>         wWidth( 9)                        800
>         wHeight( 9)                       600
>         wWidth(10)                        848
>         wHeight(10)                       480
>         wWidth(11)                        960
>         wHeight(11)                       540
>         wWidth(12)                        960
>         wHeight(12)                       720
>         wWidth(13)                       1280
>         wHeight(13)                       720
>         bNumCompressionPatterns             0
>       VideoStreaming Interface Descriptor:
>         bLength                             6
>         bDescriptorType                    36
>         bDescriptorSubtype                 13 (COLORFORMAT)
>         bColorPrimaries                     1 (BT.709,sRGB)
>         bTransferCharacteristics            1 (BT.709)
>         bMatrixCoefficients                 4 (SMPTE 170M (BT.601))
>       VideoStreaming Interface Descriptor:
>         bLength                            11
>         bDescriptorType                    36
>         bDescriptorSubtype                  6 (FORMAT_MJPEG)
>         bFormatIndex                        2
>         bNumFrameDescriptors               15
>         bFlags                              1
>           Fixed-size samples: Yes
>         bDefaultFrameIndex                  1
>         bAspectRatioX                       0
>         bAspectRatioY                       0
>         bmInterlaceFlags                 0x00
>           Interlaced stream or variable: No
>           Fields per frame: 1 fields
>           Field 1 first: No
>           Field pattern: Field 1 only
>         bCopyProtect                        0
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  7 (FRAME_MJPEG)
>         bFrameIndex                         1
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            640
>         wHeight                           480
>         dwMinBitRate                 39321600
>         dwMaxBitRate                147456000
>         dwMaxVideoFrameBufferSize      614400
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  7 (FRAME_MJPEG)
>         bFrameIndex                         2
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            160
>         wHeight                           120
>         dwMinBitRate                  2457600
>         dwMaxBitRate                  9216000
>         dwMaxVideoFrameBufferSize       38400
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  7 (FRAME_MJPEG)
>         bFrameIndex                         3
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            176
>         wHeight                           144
>         dwMinBitRate                  3244032
>         dwMaxBitRate                 12165120
>         dwMaxVideoFrameBufferSize       50688
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  7 (FRAME_MJPEG)
>         bFrameIndex                         4
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            320
>         wHeight                           240
>         dwMinBitRate                  9830400
>         dwMaxBitRate                 36864000
>         dwMaxVideoFrameBufferSize      153600
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  7 (FRAME_MJPEG)
>         bFrameIndex                         5
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            352
>         wHeight                           288
>         dwMinBitRate                 12976128
>         dwMaxBitRate                 48660480
>         dwMaxVideoFrameBufferSize      202752
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  7 (FRAME_MJPEG)
>         bFrameIndex                         6
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            416
>         wHeight                           240
>         dwMinBitRate                 12779520
>         dwMaxBitRate                 47923200
>         dwMaxVideoFrameBufferSize      199680
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  7 (FRAME_MJPEG)
>         bFrameIndex                         7
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            640
>         wHeight                           360
>         dwMinBitRate                 29491200
>         dwMaxBitRate                110592000
>         dwMaxVideoFrameBufferSize      460800
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  7 (FRAME_MJPEG)
>         bFrameIndex                         8
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            800
>         wHeight                           448
>         dwMinBitRate                 45875200
>         dwMaxBitRate                172032000
>         dwMaxVideoFrameBufferSize      716800
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  7 (FRAME_MJPEG)
>         bFrameIndex                         9
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            800
>         wHeight                           600
>         dwMinBitRate                 61440000
>         dwMaxBitRate                230400000
>         dwMaxVideoFrameBufferSize      960000
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  7 (FRAME_MJPEG)
>         bFrameIndex                        10
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            848
>         wHeight                           480
>         dwMinBitRate                 52101120
>         dwMaxBitRate                195379200
>         dwMaxVideoFrameBufferSize      814080
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  7 (FRAME_MJPEG)
>         bFrameIndex                        11
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            960
>         wHeight                           544
>         dwMinBitRate                 66846720
>         dwMaxBitRate                250675200
>         dwMaxVideoFrameBufferSize     1044480
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  7 (FRAME_MJPEG)
>         bFrameIndex                        12
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            960
>         wHeight                           720
>         dwMinBitRate                 88473600
>         dwMaxBitRate                331776000
>         dwMaxVideoFrameBufferSize     1382400
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  7 (FRAME_MJPEG)
>         bFrameIndex                        13
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                           1280
>         wHeight                           720
>         dwMinBitRate                117964800
>         dwMaxBitRate                442368000
>         dwMaxVideoFrameBufferSize     1843200
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  7 (FRAME_MJPEG)
>         bFrameIndex                        14
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                           1280
>         wHeight                           800
>         dwMinBitRate                131072000
>         dwMaxBitRate                491520000
>         dwMaxVideoFrameBufferSize     2048000
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            46
>         bDescriptorType                    36
>         bDescriptorSubtype                  7 (FRAME_MJPEG)
>         bFrameIndex                        15
>         bmCapabilities                   0x00
>           Still image unsupported
>         wWidth                            640
>         wHeight                           480
>         dwMinBitRate                 39321600
>         dwMaxBitRate                147456000
>         dwMaxVideoFrameBufferSize      614400
>         dwDefaultFrameInterval         333333
>         bFrameIntervalType                  5
>         dwFrameInterval( 0)            333333
>         dwFrameInterval( 1)            500000
>         dwFrameInterval( 2)            666666
>         dwFrameInterval( 3)           1000000
>         dwFrameInterval( 4)           1333333
>       VideoStreaming Interface Descriptor:
>         bLength                            62
>         bDescriptorType                    36
>         bDescriptorSubtype                  3 (STILL_IMAGE_FRAME)
>         bEndpointAddress                 0x00  EP 0 OUT
>         bNumImageSizePatterns              14
>         wWidth( 0)                       1280
>         wHeight( 0)                       800
>         wWidth( 1)                        160
>         wHeight( 1)                       120
>         wWidth( 2)                        176
>         wHeight( 2)                       144
>         wWidth( 3)                        320
>         wHeight( 3)                       240
>         wWidth( 4)                        352
>         wHeight( 4)                       288
>         wWidth( 5)                        416
>         wHeight( 5)                       240
>         wWidth( 6)                        640
>         wHeight( 6)                       360
>         wWidth( 7)                        640
>         wHeight( 7)                       480
>         wWidth( 8)                        800
>         wHeight( 8)                       448
>         wWidth( 9)                        800
>         wHeight( 9)                       600
>         wWidth(10)                        848
>         wHeight(10)                       480
>         wWidth(11)                        960
>         wHeight(11)                       544
>         wWidth(12)                        960
>         wHeight(12)                       720
>         wWidth(13)                       1280
>         wHeight(13)                       720
>         bNumCompressionPatterns             0
>       VideoStreaming Interface Descriptor:
>         bLength                             6
>         bDescriptorType                    36
>         bDescriptorSubtype                 13 (COLORFORMAT)
>         bColorPrimaries                     1 (BT.709,sRGB)
>         bTransferCharacteristics            1 (BT.709)
>         bMatrixCoefficients                 4 (SMPTE 170M (BT.601))
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        1
>       bAlternateSetting       1
>       bNumEndpoints           1
>       bInterfaceClass        14 Video
>       bInterfaceSubClass      2 Video Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x81  EP 1 IN
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x0080  1x 128 bytes
>         bInterval               1
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        1
>       bAlternateSetting       2
>       bNumEndpoints           1
>       bInterfaceClass        14 Video
>       bInterfaceSubClass      2 Video Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x81  EP 1 IN
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x0200  1x 512 bytes
>         bInterval               1
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        1
>       bAlternateSetting       3
>       bNumEndpoints           1
>       bInterfaceClass        14 Video
>       bInterfaceSubClass      2 Video Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x81  EP 1 IN
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x0400  1x 1024 bytes
>         bInterval               1
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        1
>       bAlternateSetting       4
>       bNumEndpoints           1
>       bInterfaceClass        14 Video
>       bInterfaceSubClass      2 Video Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x81  EP 1 IN
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x0b00  2x 768 bytes
>         bInterval               1
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        1
>       bAlternateSetting       5
>       bNumEndpoints           1
>       bInterfaceClass        14 Video
>       bInterfaceSubClass      2 Video Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x81  EP 1 IN
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x0c00  2x 1024 bytes
>         bInterval               1
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        1
>       bAlternateSetting       6
>       bNumEndpoints           1
>       bInterfaceClass        14 Video
>       bInterfaceSubClass      2 Video Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x81  EP 1 IN
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x1380  3x 896 bytes
>         bInterval               1
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        1
>       bAlternateSetting       7
>       bNumEndpoints           1
>       bInterfaceClass        14 Video
>       bInterfaceSubClass      2 Video Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x81  EP 1 IN
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x1400  3x 1024 bytes
>         bInterval               1
>     Interface Association:
>       bLength                 8
>       bDescriptorType        11
>       bFirstInterface         2
>       bInterfaceCount         2
>       bFunctionClass          1 Audio
>       bFunctionSubClass       2 Streaming
>       bFunctionProtocol       0 
>       iFunction               6 
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        2
>       bAlternateSetting       0
>       bNumEndpoints           0
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      1 Control Device
>       bInterfaceProtocol      0 
>       iInterface              6 
>       AudioControl Interface Descriptor:
>         bLength                 9
>         bDescriptorType        36
>         bDescriptorSubtype      1 (HEADER)
>         bcdADC               1.00
>         wTotalLength       0x0027
>         bInCollection           1
>         baInterfaceNr(0)        3
>       AudioControl Interface Descriptor:
>         bLength                12
>         bDescriptorType        36
>         bDescriptorSubtype      2 (INPUT_TERMINAL)
>         bTerminalID             1
>         wTerminalType      0x0201 Microphone
>         bAssocTerminal          0
>         bNrChannels             1
>         wChannelConfig     0x0003
>           Left Front (L)
>           Right Front (R)
>         iChannelNames           0 
>         iTerminal               0 
>       AudioControl Interface Descriptor:
>         bLength                 9
>         bDescriptorType        36
>         bDescriptorSubtype      3 (OUTPUT_TERMINAL)
>         bTerminalID             2
>         wTerminalType      0x0101 USB Streaming
>         bAssocTerminal          1
>         bSourceID               3
>         iTerminal               0 
>       AudioControl Interface Descriptor:
>         bLength                 9
>         bDescriptorType        36
>         bDescriptorSubtype      6 (FEATURE_UNIT)
>         bUnitID                 3
>         bSourceID               1
>         bControlSize            2
>         bmaControls(0)     0x0003
>           Mute Control
>           Volume Control
>         iFeature                0 
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        3
>       bAlternateSetting       0
>       bNumEndpoints           0
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        3
>       bAlternateSetting       1
>       bNumEndpoints           1
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>       AudioStreaming Interface Descriptor:
>         bLength                 7
>         bDescriptorType        36
>         bDescriptorSubtype      1 (AS_GENERAL)
>         bTerminalLink           2
>         bDelay                  1 frames
>         wFormatTag         0x0001 PCM
>       AudioStreaming Interface Descriptor:
>         bLength                11
>         bDescriptorType        36
>         bDescriptorSubtype      2 (FORMAT_TYPE)
>         bFormatType             1 (FORMAT_TYPE_I)
>         bNrChannels             2
>         bSubframeSize           2
>         bBitResolution         16
>         bSamFreqType            1 Discrete
>         tSamFreq[ 0]         8000
>       Endpoint Descriptor:
>         bLength                 9
>         bDescriptorType         5
>         bEndpointAddress     0x82  EP 2 IN
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x0028  1x 40 bytes
>         bInterval               4
>         bRefresh                0
>         bSynchAddress           0
>         AudioStreaming Endpoint Descriptor:
>           bLength                 7
>           bDescriptorType        37
>           bDescriptorSubtype      1 (EP_GENERAL)
>           bmAttributes         0x01
>             Sampling Frequency
>           bLockDelayUnits         0 Undefined
>           wLockDelay         0x0000
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        3
>       bAlternateSetting       2
>       bNumEndpoints           1
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>       AudioStreaming Interface Descriptor:
>         bLength                 7
>         bDescriptorType        36
>         bDescriptorSubtype      1 (AS_GENERAL)
>         bTerminalLink           2
>         bDelay                  1 frames
>         wFormatTag         0x0001 PCM
>       AudioStreaming Interface Descriptor:
>         bLength                11
>         bDescriptorType        36
>         bDescriptorSubtype      2 (FORMAT_TYPE)
>         bFormatType             1 (FORMAT_TYPE_I)
>         bNrChannels             2
>         bSubframeSize           2
>         bBitResolution         16
>         bSamFreqType            1 Discrete
>         tSamFreq[ 0]        16000
>       Endpoint Descriptor:
>         bLength                 9
>         bDescriptorType         5
>         bEndpointAddress     0x82  EP 2 IN
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x0048  1x 72 bytes
>         bInterval               4
>         bRefresh                0
>         bSynchAddress           0
>         AudioStreaming Endpoint Descriptor:
>           bLength                 7
>           bDescriptorType        37
>           bDescriptorSubtype      1 (EP_GENERAL)
>           bmAttributes         0x01
>             Sampling Frequency
>           bLockDelayUnits         0 Undefined
>           wLockDelay         0x0000
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        3
>       bAlternateSetting       3
>       bNumEndpoints           1
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>       AudioStreaming Interface Descriptor:
>         bLength                 7
>         bDescriptorType        36
>         bDescriptorSubtype      1 (AS_GENERAL)
>         bTerminalLink           2
>         bDelay                  1 frames
>         wFormatTag         0x0001 PCM
>       AudioStreaming Interface Descriptor:
>         bLength                11
>         bDescriptorType        36
>         bDescriptorSubtype      2 (FORMAT_TYPE)
>         bFormatType             1 (FORMAT_TYPE_I)
>         bNrChannels             2
>         bSubframeSize           2
>         bBitResolution         16
>         bSamFreqType            1 Discrete
>         tSamFreq[ 0]        44100
>       Endpoint Descriptor:
>         bLength                 9
>         bDescriptorType         5
>         bEndpointAddress     0x82  EP 2 IN
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x00c8  1x 200 bytes
>         bInterval               4
>         bRefresh                0
>         bSynchAddress           0
>         AudioStreaming Endpoint Descriptor:
>           bLength                 7
>           bDescriptorType        37
>           bDescriptorSubtype      1 (EP_GENERAL)
>           bmAttributes         0x01
>             Sampling Frequency
>           bLockDelayUnits         0 Undefined
>           wLockDelay         0x0000
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        3
>       bAlternateSetting       4
>       bNumEndpoints           1
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>       AudioStreaming Interface Descriptor:
>         bLength                 7
>         bDescriptorType        36
>         bDescriptorSubtype      1 (AS_GENERAL)
>         bTerminalLink           2
>         bDelay                  1 frames
>         wFormatTag         0x0001 PCM
>       AudioStreaming Interface Descriptor:
>         bLength                11
>         bDescriptorType        36
>         bDescriptorSubtype      2 (FORMAT_TYPE)
>         bFormatType             1 (FORMAT_TYPE_I)
>         bNrChannels             2
>         bSubframeSize           2
>         bBitResolution         16
>         bSamFreqType            1 Discrete
>         tSamFreq[ 0]        48000
>       Endpoint Descriptor:
>         bLength                 9
>         bDescriptorType         5
>         bEndpointAddress     0x82  EP 2 IN
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x00d8  1x 216 bytes
>         bInterval               4
>         bRefresh                0
>         bSynchAddress           0
>         AudioStreaming Endpoint Descriptor:
>           bLength                 7
>           bDescriptorType        37
>           bDescriptorSubtype      1 (EP_GENERAL)
>           bmAttributes         0x01
>             Sampling Frequency
>           bLockDelayUnits         0 Undefined
>           wLockDelay         0x0000
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        3
>       bAlternateSetting       5
>       bNumEndpoints           1
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>       AudioStreaming Interface Descriptor:
>         bLength                 7
>         bDescriptorType        36
>         bDescriptorSubtype      1 (AS_GENERAL)
>         bTerminalLink           2
>         bDelay                  1 frames
>         wFormatTag         0x0001 PCM
>       AudioStreaming Interface Descriptor:
>         bLength                11
>         bDescriptorType        36
>         bDescriptorSubtype      2 (FORMAT_TYPE)
>         bFormatType             1 (FORMAT_TYPE_I)
>         bNrChannels             2
>         bSubframeSize           3
>         bBitResolution         24
>         bSamFreqType            1 Discrete
>         tSamFreq[ 0]         8000
>       Endpoint Descriptor:
>         bLength                 9
>         bDescriptorType         5
>         bEndpointAddress     0x82  EP 2 IN
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x003c  1x 60 bytes
>         bInterval               4
>         bRefresh                0
>         bSynchAddress           0
>         AudioStreaming Endpoint Descriptor:
>           bLength                 7
>           bDescriptorType        37
>           bDescriptorSubtype      1 (EP_GENERAL)
>           bmAttributes         0x01
>             Sampling Frequency
>           bLockDelayUnits         0 Undefined
>           wLockDelay         0x0000
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        3
>       bAlternateSetting       6
>       bNumEndpoints           1
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>       AudioStreaming Interface Descriptor:
>         bLength                 7
>         bDescriptorType        36
>         bDescriptorSubtype      1 (AS_GENERAL)
>         bTerminalLink           2
>         bDelay                  1 frames
>         wFormatTag         0x0001 PCM
>       AudioStreaming Interface Descriptor:
>         bLength                11
>         bDescriptorType        36
>         bDescriptorSubtype      2 (FORMAT_TYPE)
>         bFormatType             1 (FORMAT_TYPE_I)
>         bNrChannels             2
>         bSubframeSize           3
>         bBitResolution         24
>         bSamFreqType            1 Discrete
>         tSamFreq[ 0]        16000
>       Endpoint Descriptor:
>         bLength                 9
>         bDescriptorType         5
>         bEndpointAddress     0x82  EP 2 IN
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x0078  1x 120 bytes
>         bInterval               4
>         bRefresh                0
>         bSynchAddress           0
>         AudioStreaming Endpoint Descriptor:
>           bLength                 7
>           bDescriptorType        37
>           bDescriptorSubtype      1 (EP_GENERAL)
>           bmAttributes         0x01
>             Sampling Frequency
>           bLockDelayUnits         0 Undefined
>           wLockDelay         0x0000
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        3
>       bAlternateSetting       7
>       bNumEndpoints           1
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>       AudioStreaming Interface Descriptor:
>         bLength                 7
>         bDescriptorType        36
>         bDescriptorSubtype      1 (AS_GENERAL)
>         bTerminalLink           2
>         bDelay                  1 frames
>         wFormatTag         0x0001 PCM
>       AudioStreaming Interface Descriptor:
>         bLength                11
>         bDescriptorType        36
>         bDescriptorSubtype      2 (FORMAT_TYPE)
>         bFormatType             1 (FORMAT_TYPE_I)
>         bNrChannels             2
>         bSubframeSize           3
>         bBitResolution         24
>         bSamFreqType            1 Discrete
>         tSamFreq[ 0]        44100
>       Endpoint Descriptor:
>         bLength                 9
>         bDescriptorType         5
>         bEndpointAddress     0x82  EP 2 IN
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x0120  1x 288 bytes
>         bInterval               4
>         bRefresh                0
>         bSynchAddress           0
>         AudioStreaming Endpoint Descriptor:
>           bLength                 7
>           bDescriptorType        37
>           bDescriptorSubtype      1 (EP_GENERAL)
>           bmAttributes         0x01
>             Sampling Frequency
>           bLockDelayUnits         0 Undefined
>           wLockDelay         0x0000
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        3
>       bAlternateSetting       8
>       bNumEndpoints           1
>       bInterfaceClass         1 Audio
>       bInterfaceSubClass      2 Streaming
>       bInterfaceProtocol      0 
>       iInterface              0 
>       AudioStreaming Interface Descriptor:
>         bLength                 7
>         bDescriptorType        36
>         bDescriptorSubtype      1 (AS_GENERAL)
>         bTerminalLink           2
>         bDelay                  1 frames
>         wFormatTag         0x0001 PCM
>       AudioStreaming Interface Descriptor:
>         bLength                11
>         bDescriptorType        36
>         bDescriptorSubtype      2 (FORMAT_TYPE)
>         bFormatType             1 (FORMAT_TYPE_I)
>         bNrChannels             2
>         bSubframeSize           3
>         bBitResolution         24
>         bSamFreqType            1 Discrete
>         tSamFreq[ 0]        48000
>       Endpoint Descriptor:
>         bLength                 9
>         bDescriptorType         5
>         bEndpointAddress     0x82  EP 2 IN
>         bmAttributes            5
>           Transfer Type            Isochronous
>           Synch Type               Asynchronous
>           Usage Type               Data
>         wMaxPacketSize     0x0138  1x 312 bytes
>         bInterval               4
>         bRefresh                0
>         bSynchAddress           0
>         AudioStreaming Endpoint Descriptor:
>           bLength                 7
>           bDescriptorType        37
>           bDescriptorSubtype      1 (EP_GENERAL)
>           bmAttributes         0x01
>             Sampling Frequency
>           bLockDelayUnits         0 Undefined
>           wLockDelay         0x0000
>     Interface Descriptor:
>       bLength                 9
>       bDescriptorType         4
>       bInterfaceNumber        4
>       bAlternateSetting       0
>       bNumEndpoints           1
>       bInterfaceClass         3 Human Interface Device
>       bInterfaceSubClass      0 [unknown]
>       bInterfaceProtocol      0 
>       iInterface              0 
>         HID Device Descriptor:
>           bLength                 9
>           bDescriptorType        33
>           bcdHID               1.11
>           bCountryCode            0 Not supported
>           bNumDescriptors         1
>           bDescriptorType        34 Report
>           wDescriptorLength      24
>           Report Descriptors: 
>             ** UNAVAILABLE **
>       Endpoint Descriptor:
>         bLength                 7
>         bDescriptorType         5
>         bEndpointAddress     0x84  EP 4 IN
>         bmAttributes            3
>           Transfer Type            Interrupt
>           Synch Type               None
>           Usage Type               Data
>         wMaxPacketSize     0x0001  1x 1 bytes
> ---
>  drivers/media/usb/uvc/uvc_driver.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
> index da24a655ab68cc0957762f2b67387677c22224d1..bd875d35ec81f090b1fdf2f7db21f96dbb51c70a 100644
> --- a/drivers/media/usb/uvc/uvc_driver.c
> +++ b/drivers/media/usb/uvc/uvc_driver.c
> @@ -2514,6 +2514,15 @@ static const struct uvc_device_info uvc_quirk_force_y8 = {
>   * Sort these by vendor/product ID.
>   */
>  static const struct usb_device_id uvc_ids[] = {
> +	/* HP Webcam HD 2300 */
> +	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
> +				| USB_DEVICE_ID_MATCH_INT_INFO,
> +	  .idVendor		= 0x03f0,
> +	  .idProduct		= 0xe207,
> +	  .bInterfaceClass	= USB_CLASS_VIDEO,
> +	  .bInterfaceSubClass	= 1,
> +	  .bInterfaceProtocol	= 0,
> +	  .driver_info		= (kernel_ulong_t)&uvc_quirk_stream_no_fid },
>  	/* Quanta ACER HD User Facing */
>  	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
>  				| USB_DEVICE_ID_MATCH_INT_INFO,
> 
> ---
> base-commit: 5e1ff2314797bf53636468a97719a8222deca9ae
> change-id: 20250602-uvc-hp-quirk-08686750b118

-- 
Regards,

Laurent Pinchart