Hi Claudio, > > On Tuesday 16 October 2007, Claudio Montemaggiore - FAST S.p.A. wrote: > > > > On Monday 15 October 2007, Claudio Montemaggiore - FAST S.p.A. wrote: > > > > > Hi, > > > > > I've cross compiled UVC driver for ARM arch, using kernel 2.6.14. > > > > > I'm using uvccapture to get snapshot by a FinePix E550 camera in > > > > > webcam mode. > > > > > > > > > > After the command ./uvccapture -v , the output is: > > > > > > > > > > Using videodevice: /dev/video0 > > > > > Saving images to: snap.jpg > > > > > Image size: 320x240 > > > > > Taking snapshot every 0 seconds > > > > > Taking images using mmap > > > > > format asked unavailable get width 352 height 288 > > > > > Resetting camera settings > > > > > ioctl querycontrol error 22 > > > > > ioctl querycontrol error 22 > > > > > ioctl querycontrol error 22 > > > > > ioctl querycontrol error 22 > > > > > ioctl querycontrol error 22 > > > > > Camera brightness level is -1 > > > > > ioctl querycontrol error 22 > > > > > Camera contrast level is -1 > > > > > ioctl querycontrol error 22 > > > > > Camera saturation level is -1 > > > > > ioctl querycontrol error 22 > > > > > Camera gain level is -1 > > > > > Saving image to: snap.jpg > > > > > > > > > > > > > > > I get the snap, but there are these errors about the camera > > > > > settings. > > > > > How can I fix it? > > > > > > > > What does uvcvideo report in dmesg ? > > > > > > dmesg report is(after inserting and removing more times the camera): > > > > > > > > > usb 2-1: new full speed USB device using isp116x-hcd and address 6 > > > scsi3 : SCSI emulation for USB Mass Storage devices > > > usb-storage: device found at 6 > > > usb-storage: waiting for device to settle before scanning > > > Vendor: FUJIFILM Model: USB-DRIVEUNIT Rev: 1.00 > > > Type: Direct-Access ANSI SCSI revision: 00 > > > Attached scsi removable disk sdb at scsi3, channel 0, id 0, lun 0 > > > Attached scsi generic sg1 at scsi3, channel 0, id 0, lun 0, type 0 > > > usb-storage: device scan complete > > > usb 2-1: USB disconnect, address 6 > > > usb 2-1: new full speed USB device using isp116x-hcd and address 7 > > > uvcvideo: Found UVC 1.00 device USB Web Camera (04cb:0172) > > > usb 2-1: USB disconnect, address 7 > > > > [snip] > > > > Please post the dmesg output after running uvccapture. > > After the ./uvccapture -v command, no other messagge is available in the > dmesg output. > I have only the information provided by the -v option in uvccapture > command.
Then there's probably nothing to worry about. uvccapture tries to query controls that are not supported by the devices. This isn't a fatal error. > Also,only one time dmesg found the Vendor and Model information. > So the information for dmesg I have is: > uvcvideo: Found UVC 1.00 device USB Web Camera (04cb:0172) > usbcore: registered new driver uvcvideo > USB Video Class driver (v0.1.0) Please send replies to the list (you can still CC me). Best regards, Laurent Pinchart _______________________________________________ Linux-uvc-devel mailing list [email protected] https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
