From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 44A71379C24; Mon, 28 Sep 2026 12:56:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790600212; cv=none; b=bTE1KFZCQ9Kjdq8CWhSn5bvl/reQFZa/SVgktlxDm8LjwlaKnM2JeEv5vkrSFJ9Pqw26TEUf2lzf+nu9w6lgt6giCkRCUV/eGnZs9hCLRHO4E+6NYHBr9Bay8jSwy5DMAv9vymiJcEgv2Txi1vEfgzp2PmoMesaNr3DcEezy+Wo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790600212; c=relaxed/simple; bh=NpZgnuGTLrsp9b8T4AbkF74riutahBZjYZgRI0aB+lo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=V27jglxNEEsB0v7ouYowJb14M4cGAxgY1RhesvWTmuvhpj2zNIBBrp9Aga3HqM0IZYKmjVzxBbQnGrXOWnwf66abNct1dQrfXoX3BnGT+BBh6JxAfeR2uuu2B+dKlBxSjQW/Y0HSM+gPUSHXh5/89T49x+LyqTbo47trn5jxIeI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=OqmW+5qv; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="OqmW+5qv" Received: from killaraus.ideasonboard.com (2001-14ba-70f3-e800--a06.rev.dnainternet.fi [IPv6:2001:14ba:70f3:e800::a06]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 8B80F8FD; Mon, 28 Sep 2026 14:54:57 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1790600097; bh=NpZgnuGTLrsp9b8T4AbkF74riutahBZjYZgRI0aB+lo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=OqmW+5qvL7y6IPrPflfR0OaHKS7Y3j64lzqQI59R0AClvKBOSculpV1qmScUBHbmI SU0g+Rk/zIDSGH75T1Cm1A6CnFYOaCvhA74lq9laJOgQoLM0UbRcc9Lt2qJ4NJQz2/ t8zpeXG2joXTN6eZNzR0tEExT5nNcOFLaCZqjgCs= Date: Mon, 28 Sep 2026 15:56:46 +0300 From: Laurent Pinchart To: Ricardo Ribalda Cc: Hans de Goede , Mauro Carvalho Chehab , Edwin Gatier , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Mauro Carvalho Chehab , stable@vger.kernel.org Subject: Re: [PATCH v3 5/5] media: uvcvideo: Force UVC version for Avermedia GC515 Message-ID: <20260928125646.GF4406@killaraus.ideasonboard.com> References: <20260911-uvc-version-v3-0-604328d8a0dd@chromium.org> <20260911-uvc-version-v3-5-604328d8a0dd@chromium.org> <20260928123822.GE157191@killaraus.ideasonboard.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: On Mon, Sep 28, 2026 at 02:40:05PM +0200, Ricardo Ribalda wrote: > On Mon, 28 Sept 2026 at 14:38, Laurent Pinchart wrote: > > On Fri, Sep 11, 2026 at 01:22:29PM +0000, Ricardo Ribalda wrote: > > > The device announces itself as UVC 1.5, but it only accepts UVC 1.1 > > > controls. > > > > > > The camera can probably be handled by the automatic uvc_version handler, > > > but it is more correct to add a quirk and keep some tracking of what > > > vendors are more or less compliant. Also it might be more robust if we > > > introduce more UVC version-dependent code. > > > > > > Bus 003 Device 021: ID 07ca:1515 AVerMedia Technologies, Inc. X'tra Go GC515 > > > Negotiated speed: High Speed (480Mbps) > > > Device Descriptor: > > > bLength 18 > > > bDescriptorType 1 > > > bcdUSB 2.00 > > > bDeviceClass 239 Miscellaneous Device > > > bDeviceSubClass 2 [unknown] > > > bDeviceProtocol 1 Interface Association > > > bMaxPacketSize0 64 > > > idVendor 0x07ca AVerMedia Technologies, Inc. > > > idProduct 0x1515 X'tra Go GC515 > > > bcdDevice 0.10 > > > iManufacturer 1 AVerMedia > > > iProduct 2 X'tra Go GC515 > > > iSerial 3 5313180000221 > > > bNumConfigurations 1 > > > Configuration Descriptor: > > > bLength 9 > > > bDescriptorType 2 > > > wTotalLength 0x03fd > > > bNumInterfaces 4 > > > bConfigurationValue 1 > > > iConfiguration 0 > > > bmAttributes 0xc0 > > > Self Powered > > > MaxPower 500mA > > > Interface Association: > > > bLength 8 > > > bDescriptorType 11 > > > bFirstInterface 0 > > > bInterfaceCount 2 > > > bFunctionClass 14 Video > > > bFunctionSubClass 3 Video Interface Collection > > > bFunctionProtocol 0 > > > iFunction 0 > > > Interface Descriptor: > > > bLength 9 > > > bDescriptorType 4 > > > bInterfaceNumber 0 > > > bAlternateSetting 0 > > > bNumEndpoints 1 > > > bInterfaceClass 14 Video > > > bInterfaceSubClass 1 Video Control > > > bInterfaceProtocol 1 > > > iInterface 0 > > > VideoControl Interface Descriptor: > > > bLength 13 > > > bDescriptorType 36 > > > bDescriptorSubtype 1 (HEADER) > > > bcdUVC 1.50 > > > wTotalLength 0x0059 > > > dwClockFrequency 30.000000MHz > > > 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 0x00000000 > > > VideoControl Interface Descriptor: > > > bLength 9 > > > bDescriptorType 36 > > > bDescriptorSubtype 3 (OUTPUT_TERMINAL) > > > bTerminalID 2 > > > wTerminalType 0x0101 USB Streaming > > > bAssocTerminal 0 > > > bSourceID 4 > > > iTerminal 0 > > > VideoControl Interface Descriptor: > > > bLength 7 > > > bDescriptorType 36 > > > bDescriptorSubtype 4 (SELECTOR_UNIT) > > > bUnitID 3 > > > bNrInPins 1 > > > baSource( 0) 1 > > > iSelector 0 > > > VideoControl Interface Descriptor: > > > bLength 13 > > > bDescriptorType 36 > > > bDescriptorSubtype 5 (PROCESSING_UNIT) > > > bUnitID 4 > > > bSourceID 3 > > > wMaxMultiplier 0 > > > bControlSize 3 > > > bmControls 0x00000000 > > > iProcessing 0 > > > bmVideoStandards 0x00 > > > VideoControl Interface Descriptor: > > > bLength 29 > > > bDescriptorType 36 > > > bDescriptorSubtype 6 (EXTENSION_UNIT) > > > bUnitID 5 > > > guidExtensionCode {55be8e1c-2fdb-4f7a-bd8d-b9b1108d20c3} > > > bNumControls 24 > > > bNrInPins 1 > > > baSourceID( 0) 4 > > > bControlSize 4 > > > bmControls( 0) 0xff > > > bmControls( 1) 0xff > > > bmControls( 2) 0xff > > > bmControls( 3) 0x00 > > > iExtension 0 > > > Endpoint Descriptor: > > > bLength 7 > > > bDescriptorType 5 > > > bEndpointAddress 0x85 EP 5 IN > > > bmAttributes 3 > > > Transfer Type Interrupt > > > Synch Type None > > > Usage Type Data > > > wMaxPacketSize 0x0040 1x 64 bytes > > > bInterval 1 > > > VideoControl Endpoint Descriptor: > > > bLength 5 > > > bDescriptorType 37 > > > bDescriptorSubtype 3 (EP_INTERRUPT) > > > wMaxTransferSize 64 > > > Interface Descriptor: > > > bLength 9 > > > bDescriptorType 4 > > > bInterfaceNumber 1 > > > bAlternateSetting 0 > > > bNumEndpoints 1 > > > bInterfaceClass 14 Video > > > bInterfaceSubClass 2 Video Streaming > > > bInterfaceProtocol 1 > > > iInterface 0 > > > VideoStreaming Interface Descriptor: > > > bLength 16 > > > bDescriptorType 36 > > > bDescriptorSubtype 1 (INPUT_HEADER) > > > bNumFormats 3 > > > wTotalLength 0x0303 > > > bEndpointAddress 0x81 EP 1 IN > > > bmInfo 0 > > > bTerminalLink 2 > > > bStillCaptureMethod 1 > > > bTriggerSupport 0 > > > bTriggerUsage 0 > > > bControlSize 1 > > > bmaControls( 0) 4 > > > bmaControls( 1) 4 > > > bmaControls( 2) 0 > > > VideoStreaming Interface Descriptor: > > > bLength 28 > > > bDescriptorType 36 > > > bDescriptorSubtype 16 (FORMAT_FRAME_BASED) > > > bFormatIndex 1 > > > bNumFrameDescriptors 8 > > > guidFormat {34363248-0000-0010-8000-00aa00389b71} > > > bBitsPerPixel 24 > > > 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 1 > > > bVariableSize 1 > > > VideoStreaming Interface Descriptor: > > > bLength 62 > > > bDescriptorType 36 > > > bDescriptorSubtype 17 (FRAME_FRAME_BASED) > > > bFrameIndex 1 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 1920 > > > wHeight 1080 > > > dwMinBitRate 33554432 > > > dwMaxBitRate 268435456 > > > dwDefaultFrameInterval 166666 > > > bFrameIntervalType 9 > > > dwBytesPerLine 0 > > > dwFrameInterval( 0) 83333 > > > dwFrameInterval( 1) 83416 > > > dwFrameInterval( 2) 166666 > > > dwFrameInterval( 3) 166833 > > > dwFrameInterval( 4) 200000 > > > dwFrameInterval( 5) 333333 > > > dwFrameInterval( 6) 333667 > > > dwFrameInterval( 7) 400000 > > > dwFrameInterval( 8) 416666 > > > VideoStreaming Interface Descriptor: > > > bLength 42 > > > bDescriptorType 36 > > > bDescriptorSubtype 17 (FRAME_FRAME_BASED) > > > bFrameIndex 2 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 3840 > > > wHeight 2160 > > > dwMinBitRate 33554432 > > > dwMaxBitRate 268435456 > > > dwDefaultFrameInterval 333333 > > > bFrameIntervalType 4 > > > dwBytesPerLine 0 > > > dwFrameInterval( 0) 333333 > > > dwFrameInterval( 1) 333667 > > > dwFrameInterval( 2) 400000 > > > dwFrameInterval( 3) 416666 > > > VideoStreaming Interface Descriptor: > > > bLength 34 > > > bDescriptorType 36 > > > bDescriptorSubtype 17 (FRAME_FRAME_BASED) > > > bFrameIndex 3 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 2560 > > > wHeight 1440 > > > dwMinBitRate 33554432 > > > dwMaxBitRate 268435456 > > > dwDefaultFrameInterval 166666 > > > bFrameIntervalType 2 > > > dwBytesPerLine 0 > > > dwFrameInterval( 0) 166666 > > > dwFrameInterval( 1) 166833 > > > VideoStreaming Interface Descriptor: > > > bLength 34 > > > bDescriptorType 36 > > > bDescriptorSubtype 17 (FRAME_FRAME_BASED) > > > bFrameIndex 4 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 1280 > > > wHeight 800 > > > dwMinBitRate 33554432 > > > dwMaxBitRate 268435456 > > > dwDefaultFrameInterval 166666 > > > bFrameIntervalType 2 > > > dwBytesPerLine 0 > > > dwFrameInterval( 0) 166666 > > > dwFrameInterval( 1) 166833 > > > VideoStreaming Interface Descriptor: > > > bLength 38 > > > bDescriptorType 36 > > > bDescriptorSubtype 17 (FRAME_FRAME_BASED) > > > bFrameIndex 5 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 1280 > > > wHeight 720 > > > dwMinBitRate 33554432 > > > dwMaxBitRate 268435456 > > > dwDefaultFrameInterval 166666 > > > bFrameIntervalType 3 > > > dwBytesPerLine 0 > > > dwFrameInterval( 0) 166666 > > > dwFrameInterval( 1) 166833 > > > dwFrameInterval( 2) 200000 > > > VideoStreaming Interface Descriptor: > > > bLength 34 > > > bDescriptorType 36 > > > bDescriptorSubtype 17 (FRAME_FRAME_BASED) > > > bFrameIndex 6 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 720 > > > wHeight 576 > > > dwMinBitRate 33554432 > > > dwMaxBitRate 268435456 > > > dwDefaultFrameInterval 200000 > > > bFrameIntervalType 2 > > > dwBytesPerLine 0 > > > dwFrameInterval( 0) 200000 > > > dwFrameInterval( 1) 400000 > > > VideoStreaming Interface Descriptor: > > > bLength 42 > > > bDescriptorType 36 > > > bDescriptorSubtype 17 (FRAME_FRAME_BASED) > > > bFrameIndex 7 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 720 > > > wHeight 480 > > > dwMinBitRate 33554432 > > > dwMaxBitRate 268435456 > > > dwDefaultFrameInterval 166666 > > > bFrameIntervalType 4 > > > dwBytesPerLine 0 > > > dwFrameInterval( 0) 166666 > > > dwFrameInterval( 1) 166833 > > > dwFrameInterval( 2) 333333 > > > dwFrameInterval( 3) 333667 > > > VideoStreaming Interface Descriptor: > > > bLength 34 > > > bDescriptorType 36 > > > bDescriptorSubtype 17 (FRAME_FRAME_BASED) > > > bFrameIndex 8 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 640 > > > wHeight 480 > > > dwMinBitRate 33554432 > > > dwMaxBitRate 268435456 > > > dwDefaultFrameInterval 166666 > > > bFrameIntervalType 2 > > > dwBytesPerLine 0 > > > dwFrameInterval( 0) 166666 > > > dwFrameInterval( 1) 166833 > > > VideoStreaming Interface Descriptor: > > > bLength 6 > > > bDescriptorType 36 > > > bDescriptorSubtype 13 (COLORFORMAT) > > > bColorPrimaries 0 (Unspecified) > > > bTransferCharacteristics 0 (Unspecified) > > > bMatrixCoefficients 0 (Unspecified) > > > VideoStreaming Interface Descriptor: > > > bLength 28 > > > bDescriptorType 36 > > > bDescriptorSubtype 16 (FORMAT_FRAME_BASED) > > > bFormatIndex 2 > > > bNumFrameDescriptors 8 > > > guidFormat {43564548-0000-0010-8000-00aa00389b71} > > > bBitsPerPixel 24 > > > 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 1 > > > bVariableSize 1 > > > VideoStreaming Interface Descriptor: > > > bLength 62 > > > bDescriptorType 36 > > > bDescriptorSubtype 17 (FRAME_FRAME_BASED) > > > bFrameIndex 1 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 1920 > > > wHeight 1080 > > > dwMinBitRate 33554432 > > > dwMaxBitRate 268435456 > > > dwDefaultFrameInterval 166666 > > > bFrameIntervalType 9 > > > dwBytesPerLine 0 > > > dwFrameInterval( 0) 83333 > > > dwFrameInterval( 1) 83416 > > > dwFrameInterval( 2) 166666 > > > dwFrameInterval( 3) 166833 > > > dwFrameInterval( 4) 200000 > > > dwFrameInterval( 5) 333333 > > > dwFrameInterval( 6) 333667 > > > dwFrameInterval( 7) 400000 > > > dwFrameInterval( 8) 416666 > > > VideoStreaming Interface Descriptor: > > > bLength 42 > > > bDescriptorType 36 > > > bDescriptorSubtype 17 (FRAME_FRAME_BASED) > > > bFrameIndex 2 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 3840 > > > wHeight 2160 > > > dwMinBitRate 33554432 > > > dwMaxBitRate 268435456 > > > dwDefaultFrameInterval 333333 > > > bFrameIntervalType 4 > > > dwBytesPerLine 0 > > > dwFrameInterval( 0) 333333 > > > dwFrameInterval( 1) 333667 > > > dwFrameInterval( 2) 400000 > > > dwFrameInterval( 3) 416666 > > > VideoStreaming Interface Descriptor: > > > bLength 34 > > > bDescriptorType 36 > > > bDescriptorSubtype 17 (FRAME_FRAME_BASED) > > > bFrameIndex 3 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 2560 > > > wHeight 1440 > > > dwMinBitRate 33554432 > > > dwMaxBitRate 268435456 > > > dwDefaultFrameInterval 166666 > > > bFrameIntervalType 2 > > > dwBytesPerLine 0 > > > dwFrameInterval( 0) 166666 > > > dwFrameInterval( 1) 166833 > > > VideoStreaming Interface Descriptor: > > > bLength 34 > > > bDescriptorType 36 > > > bDescriptorSubtype 17 (FRAME_FRAME_BASED) > > > bFrameIndex 4 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 1280 > > > wHeight 800 > > > dwMinBitRate 33554432 > > > dwMaxBitRate 268435456 > > > dwDefaultFrameInterval 166666 > > > bFrameIntervalType 2 > > > dwBytesPerLine 0 > > > dwFrameInterval( 0) 166666 > > > dwFrameInterval( 1) 166833 > > > VideoStreaming Interface Descriptor: > > > bLength 38 > > > bDescriptorType 36 > > > bDescriptorSubtype 17 (FRAME_FRAME_BASED) > > > bFrameIndex 5 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 1280 > > > wHeight 720 > > > dwMinBitRate 33554432 > > > dwMaxBitRate 268435456 > > > dwDefaultFrameInterval 166666 > > > bFrameIntervalType 3 > > > dwBytesPerLine 0 > > > dwFrameInterval( 0) 166666 > > > dwFrameInterval( 1) 166833 > > > dwFrameInterval( 2) 200000 > > > VideoStreaming Interface Descriptor: > > > bLength 34 > > > bDescriptorType 36 > > > bDescriptorSubtype 17 (FRAME_FRAME_BASED) > > > bFrameIndex 6 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 720 > > > wHeight 576 > > > dwMinBitRate 33554432 > > > dwMaxBitRate 268435456 > > > dwDefaultFrameInterval 200000 > > > bFrameIntervalType 2 > > > dwBytesPerLine 0 > > > dwFrameInterval( 0) 200000 > > > dwFrameInterval( 1) 400000 > > > VideoStreaming Interface Descriptor: > > > bLength 42 > > > bDescriptorType 36 > > > bDescriptorSubtype 17 (FRAME_FRAME_BASED) > > > bFrameIndex 7 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 720 > > > wHeight 480 > > > dwMinBitRate 33554432 > > > dwMaxBitRate 268435456 > > > dwDefaultFrameInterval 166666 > > > bFrameIntervalType 4 > > > dwBytesPerLine 0 > > > dwFrameInterval( 0) 166666 > > > dwFrameInterval( 1) 166833 > > > dwFrameInterval( 2) 333333 > > > dwFrameInterval( 3) 333667 > > > VideoStreaming Interface Descriptor: > > > bLength 34 > > > bDescriptorType 36 > > > bDescriptorSubtype 17 (FRAME_FRAME_BASED) > > > bFrameIndex 8 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 640 > > > wHeight 480 > > > dwMinBitRate 33554432 > > > dwMaxBitRate 268435456 > > > dwDefaultFrameInterval 166666 > > > bFrameIntervalType 2 > > > dwBytesPerLine 0 > > > dwFrameInterval( 0) 166666 > > > dwFrameInterval( 1) 166833 > > > VideoStreaming Interface Descriptor: > > > bLength 6 > > > bDescriptorType 36 > > > bDescriptorSubtype 13 (COLORFORMAT) > > > bColorPrimaries 0 (Unspecified) > > > bTransferCharacteristics 0 (Unspecified) > > > bMatrixCoefficients 0 (Unspecified) > > > VideoStreaming Interface Descriptor: > > > bLength 11 > > > bDescriptorType 36 > > > bDescriptorSubtype 6 (FORMAT_MJPEG) > > > bFormatIndex 3 > > > bNumFrameDescriptors 1 > > > bFlags 0 > > > Fixed-size samples: No > > > 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 1 > > > VideoStreaming Interface Descriptor: > > > bLength 30 > > > bDescriptorType 36 > > > bDescriptorSubtype 7 (FRAME_MJPEG) > > > bFrameIndex 1 > > > bmCapabilities 0x01 > > > Still image supported > > > wWidth 1920 > > > wHeight 1080 > > > dwMinBitRate 314572800 > > > dwMaxBitRate 314572800 > > > dwMaxVideoFrameBufferSize 4147200 > > > dwDefaultFrameInterval 166666 > > > bFrameIntervalType 1 > > > dwFrameInterval( 0) 166666 > > > VideoStreaming Interface Descriptor: > > > bLength 6 > > > bDescriptorType 36 > > > bDescriptorSubtype 13 (COLORFORMAT) > > > bColorPrimaries 0 (Unspecified) > > > bTransferCharacteristics 0 (Unspecified) > > > bMatrixCoefficients 0 (Unspecified) > > > Endpoint Descriptor: > > > bLength 7 > > > bDescriptorType 5 > > > bEndpointAddress 0x81 EP 1 IN > > > bmAttributes 2 > > > Transfer Type Bulk > > > Synch Type None > > > Usage Type Data > > > wMaxPacketSize 0x0200 1x 512 bytes > > > bInterval 0 > > > Interface Association: > > > bLength 8 > > > bDescriptorType 11 > > > bFirstInterface 2 > > > bInterfaceCount 2 > > > bFunctionClass 1 Audio > > > bFunctionSubClass 2 Streaming > > > bFunctionProtocol 0 > > > iFunction 0 > > > Interface Descriptor: > > > bLength 9 > > > bDescriptorType 4 > > > bInterfaceNumber 2 > > > bAlternateSetting 0 > > > bNumEndpoints 0 > > > bInterfaceClass 1 Audio > > > bInterfaceSubClass 1 Control Device > > > bInterfaceProtocol 0 > > > iInterface 0 > > > AudioControl Interface Descriptor: > > > bLength 9 > > > bDescriptorType 36 > > > bDescriptorSubtype 1 (HEADER) > > > bcdADC 1.00 > > > wTotalLength 0x0026 > > > bInCollection 1 > > > baInterfaceNr(0) 3 > > > AudioControl Interface Descriptor: > > > bLength 12 > > > bDescriptorType 36 > > > bDescriptorSubtype 2 (INPUT_TERMINAL) > > > bTerminalID 1 > > > wTerminalType 0x0602 Digital Audio Interface > > > bAssocTerminal 0 > > > bNrChannels 2 > > > 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 0 > > > bSourceID 3 > > > iTerminal 0 > > > AudioControl Interface Descriptor: > > > bLength 8 > > > bDescriptorType 36 > > > bDescriptorSubtype 6 (FEATURE_UNIT) > > > bUnitID 3 > > > bSourceID 1 > > > bControlSize 1 > > > bmaControls(0) 0x03 > > > 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] 48000 > > > Endpoint Descriptor: > > > bLength 9 > > > bDescriptorType 5 > > > bEndpointAddress 0x83 EP 3 IN > > > bmAttributes 5 > > > Transfer Type Isochronous > > > Synch Type Asynchronous > > > Usage Type Data > > > wMaxPacketSize 0x00c4 1x 196 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 > > > > > > Cc: stable@vger.kernel.org > > > Fixes: b400b6f28af0 ("media: uvcvideo: Force UVC version to 1.0a for 1bcf:0b40") # When version overwritte was added > > > > That doesn't seem quite right, this patch doesn't fix that commit. I > > think you can omit the Fixes tag. With that, > > Without the Fixes tag, how to I let stable know until what version it > should backport the patch? I think that would be Cc: stable@vger.kernel.org # 5.12.x See Documentation/process/stable-kernel-rules.rst, Option 1: * Point out kernel version prerequisites:: Cc: # 3.3.x The tag has the meaning of:: git cherry-pick For each "-stable" tree starting with the specified version. Note, such tagging is unnecessary if the stable team can derive the appropriate versions from Fixes: tags. No need to resend just for this. If you're fine with the above it can be adjusted when applying. > > Reviewed-by: Laurent Pinchart > > > > > Reported-by: Edwin Gatier > > > Closes: https://lore.kernel.org/linux-media/CANiDSCu4AW=JZ9FS+Ny=DK_+LqqytGvSe+V6aVncRiGRiyDMfA@mail.gmail.com/T/#me584c35c4b523ac455925a1590a3de8efc354349 > > > Tested-by: Edwin Gatier > > > Signed-off-by: Ricardo Ribalda > > > --- > > > drivers/media/usb/uvc/uvc_driver.c | 11 +++++++++++ > > > 1 file changed, 11 insertions(+) > > > > > > diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c > > > index adec9d1aa653..bbfc409c5167 100644 > > > --- a/drivers/media/usb/uvc/uvc_driver.c > > > +++ b/drivers/media/usb/uvc/uvc_driver.c > > > @@ -2847,6 +2847,17 @@ static const struct usb_device_id uvc_ids[] = { > > > .bInterfaceSubClass = 1, > > > .bInterfaceProtocol = 0, > > > .driver_info = (kernel_ulong_t)&uvc_quirk_fix_bandwidth }, > > > + /* Avermedia GC515 */ > > > + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE > > > + | USB_DEVICE_ID_MATCH_INT_INFO, > > > + .idVendor = 0x07ca, > > > + .idProduct = 0x1515, > > > + .bInterfaceClass = USB_CLASS_VIDEO, > > > + .bInterfaceSubClass = 1, > > > + .bInterfaceProtocol = UVC_PC_PROTOCOL_15, > > > + .driver_info = (kernel_ulong_t)&(const struct uvc_device_info){ > > > + .uvc_version = 0x0110, > > > + } }, > > > /* ViMicro Vega */ > > > { .match_flags = USB_DEVICE_ID_MATCH_DEVICE > > > | USB_DEVICE_ID_MATCH_INT_INFO, -- Regards, Laurent Pinchart