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Date: Mon, 25 May 2015 13:38:54 +0200
From: Hans Petter Selasky <hps@selasky.org>
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To: sbruno@freebsd.org, multimedia@FreeBSD.org
Subject: Re: Dell E7240 Webcam
References: <555FB89E.6090501@ignoranthack.me>
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On 05/23/15 01:15, Sean Bruno wrote:
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA512
>
> I'm not sure what I need to do to reliably get webcamd to attach to this
> laptop's webcam.  When starting webcamd manually, it doesn't find/attach
> to this device.  If I explicitly attach to it, it works great with
> cheese, so it is definitely supported.
>
> # usbconfig -d ugen0.2 dump_device_desc
> ugen0.2: <LaptopIntegratedWebcamHD CN07YYTT7248744FAELWA00> at usbus0,
> cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON (500mA)
>
>    bLength = 0x0012
>    bDescriptorType = 0x0001
>    bcdUSB = 0x0200
>    bDeviceClass = 0x00ef  <Miscellaneous device>
>    bDeviceSubClass = 0x0002
>    bDeviceProtocol = 0x0001
>    bMaxPacketSize0 = 0x0040
>    idVendor = 0x0c45
>    idProduct = 0x64d2
>    bcdDevice = 0x3506
>    iManufacturer = 0x0002  <CN07YYTT7248744FAELWA00>
>    iProduct = 0x0001  <Laptop_Integrated_Webcam_HD>
>    iSerialNumber = 0x0000  <no string>
>    bNumConfigurations = 0x0001
>
> # webcamd -N LaptopIntegratedWebcamHD-CN07YYTT7248744FAELWA00 -S unknown
> -M 0
> Attached to ugen0.2[0]
> Creating /dev/video0

Hi,

Check the /usr/local/etc/devd/webcamd.conf file. It is matching the 
device descriptor. Send me a patch if you want it upstream.

--HPS