Is it enabled on kernel config? Some references: http://linuxtv.org/wiki/index.php/Webcam_Devices http://tldp.org/HOWTO/Webcam-HOWTO/hardware.html
Regards, -- *dS Diego Sueiro /*long live rock 'n roll*/ 2013/10/31 Gary Thomas <g...@mlbassoc.com> > On 2013-10-30 19:12, Edward Vidal wrote: > >> Hello, >> This is when I connect the camera >> udevadm monitor test >> monitor will print the received events for: >> UDEV - the event which udev sends out after rule processing >> KERNEL - the kernel uevent >> >> KERNEL[803.263336] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4 (usb) >> KERNEL[803.267456] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/1-2.3.4:1.0 (usb) >> KERNEL[803.269287] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/1-2.3.4:1.1 (usb) >> KERNEL[803.269958] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/1-2.3.4:1.2 (usb) >> KERNEL[803.270721] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/1-2.3.4:1.3 (usb) >> KERNEL[803.276214] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/usb_device/usbdev1.15 >> (usb_device)********** >> UDEV [803.277191] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4 (usb) >> UDEV [803.306091] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/usb_device/usbdev1.15 (usb_device) >> UDEV [803.318603] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/1-2.3.4:1.2 (usb) >> UDEV [803.324249] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/1-2.3.4:1.1 (usb) >> UDEV [803.329712] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/1-2.3.4:1.0 (usb) >> UDEV [803.333160] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/1-2.3.4:1.3 (usb) >> >> still no /dev/video0 >> ls -la /dev/v* >> crw-rw---- 1 root tty 7, 0 Jan 1 2000 /dev/vcs >> crw-rw---- 1 root tty 7, 1 Jan 1 2000 /dev/vcs1 >> crw-rw---- 1 root tty 7, 2 Jan 1 2000 /dev/vcs2 >> crw-rw---- 1 root tty 7, 3 Oct 29 13:51 /dev/vcs3 >> crw-rw---- 1 root tty 7, 128 Jan 1 2000 /dev/vcsa >> crw-rw---- 1 root tty 7, 129 Jan 1 2000 /dev/vcsa1 >> crw-rw---- 1 root tty 7, 130 Jan 1 2000 /dev/vcsa2 >> crw-rw---- 1 root tty 7, 131 Oct 29 13:51 /dev/vcsa3 >> root@beagleboard:~# lsusb >> Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. >> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub >> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub >> Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. >> Bus 001 Device 004: ID 0409:0059 NEC Corp. HighSpeed Hub >> Bus 001 Device 005: ID 413c:2005 Dell Computer Corp. RT7D50 Keyboard >> Bus 001 Device 006: ID 046d:c001 Logitech, Inc. N48/M-BB48 [FirstMouse >> Plus] >> Bus 001 Device 015: ID 046d:082d Logitech, Inc. >> **************************************************************** >> *********************** >> >> >> udevadm monitor --udev >> monitor will print the received events for: >> UDEV - the event which udev sends out after rule processing >> camera removed******************************************************* >> UDEV [1325.916811] remove /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/1-2.3.4:1.1 (usb) >> UDEV [1325.918489] remove /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/1-2.3.4:1.0 (usb) >> UDEV [1325.919282] remove /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/1-2.3.4:1.2 (usb) >> UDEV [1325.923005] remove /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/1-2.3.4:1.3 (usb) >> UDEV [1325.928437] remove /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/usb_device/usbdev1.15 (usb_device) >> UDEV [1325.932709] remove /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4 (usb) >> camera added ******************************** >> *********************************************** >> UDEV [1329.344727] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4 (usb) >> UDEV [1329.376313] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/usb_device/usbdev1.16 (usb_device) >> UDEV [1329.389008] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/1-2.3.4:1.2 (usb) >> UDEV [1329.396241] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/1-2.3.4:1.1 (usb) >> UDEV [1329.401795] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/1-2.3.4:1.0 (usb) >> UDEV [1329.406739] add /devices/platform/usbhs_omap/** >> ehci-omap.0/usb1/1-2/1-2.3/1-**2.3.4/1-2.3.4:1.3 (usb) >> >> This is what I get in /var/log/messages >> Oct 29 14:17:28 beagleboard user.info <http://user.info> kernel: usb >> 1-2.3.4: USB disconnect, device number 16 >> Oct 29 14:17:31 beagleboard user.info <http://user.info> kernel: usb >> 1-2.3.4: new high-speed USB device number 17 using ehci-omap >> >> Is there anything else that I can test / provide >> > > What version of the Linux kernel are you using? > > Are you sure that there is a driver available for this camera? Does it > work in your laptop/desktop? > > n.b. This question is probably better suited elsewhere as it is not really > a Yocto issue. Maybe try: > linux-me...@vger.kernel.org > > Thanks >> >> >> On Wed, Oct 30, 2013 at 5:58 PM, Khem Raj <raj.k...@gmail.com <mailto: >> raj.k...@gmail.com>> wrote: >> >> >> On Wed, Oct 30, 2013 at 1:51 PM, Edward Vidal < >> vidal.devel...@gmail.com >> <mailto:vidal.develone@gmail.**com<vidal.devel...@gmail.com>>> >> wrote: >> > Hello, >> > I am trying to add a c920 camera to my systems. I am not getting a >> > /dev/video0. >> > lsusb --verbose shows the HD Pro Webcam C920 >> > Bus 001 Device 007: ID 046d:082d Logitech, Inc. >> > Device Descriptor: >> > bLength 18 >> > bDescriptorType 1 >> > bcdUSB 2.00 >> > bDeviceClass 239 Miscellaneous Device >> > bDeviceSubClass 2 ? >> > bDeviceProtocol 1 Interface Association >> > bMaxPacketSize0 64 >> > idVendor 0x046d Logitech, Inc. >> > idProduct 0x082d >> > bcdDevice 0.11 >> > iManufacturer 0 >> > iProduct 2 HD Pro Webcam C920 >> > iSerial 1 211EF9AF >> > bNumConfigurations 1 >> > plus much more information >> > >> > I created /etc/udev/rules.d/10-c920.**rules >> > SUBSYSTEM=="video4linux", BUS=="usb", ATTRS{idvendor}=="0x046d", >> > ATTRS{idProduct}=="0x082d", NAME="video0", MODE:="0660" >> > >> > mknod /dev/video0 c 81 0 >> > >> > when I v4l2-ctl --all error no /dev/video0 >> > Any and all help will be appreciated. >> >> you can check if udev rule is infact kicking in. use udevadm >> monitor/test >> >> > Thanks >> > >> > >> > ______________________________**_________________ >> > yocto mailing list >> >yocto@yoctoproject.org <mailto:yocto@yoctoproject.org**> >> >> >https://lists.yoctoproject.**org/listinfo/yocto<https://lists.yoctoproject.org/listinfo/yocto> >> >> > >> >> >> >> >> ______________________________**_________________ >> yocto mailing list >> yocto@yoctoproject.org >> https://lists.yoctoproject.**org/listinfo/yocto<https://lists.yoctoproject.org/listinfo/yocto> >> >> > -- > ------------------------------**------------------------------ > Gary Thomas | Consulting for the > MLB Associates | Embedded world > ------------------------------**------------------------------ > > ______________________________**_________________ > yocto mailing list > yocto@yoctoproject.org > https://lists.yoctoproject.**org/listinfo/yocto<https://lists.yoctoproject.org/listinfo/yocto> >
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