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,
"Michaël Melchiore" <rohel01@gmail.com>
Subject: Re: [PATCH] media: uvcvideo: Add quirk for HP Webcam HD 2300
Date: Tue, 3 Jun 2025 12:46:57 +0300 [thread overview]
Message-ID: <20250603094657.GA17823@pendragon.ideasonboard.com> (raw)
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
prev parent reply other threads:[~2025-06-03 9:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-02 18:21 [PATCH] media: uvcvideo: Add quirk for HP Webcam HD 2300 Ricardo Ribalda
2025-06-03 9:46 ` Laurent Pinchart [this message]
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