Hi, i'm not sure, but it looks like all non-uvc controls are done in libwebcam and uvcdynctrl-data. For example this one is for logitech uvcdynctrl-data: /usr/share/uvcdynctrl/data/046d/logitech.xml
On 21.11.2011 02:52, DIXLOR wrote: > Good day All! > > How and where in your uvc driver code to be inserted, > тo pass in the USB a few bytes? > > With libusb this string looks like: > > #define ON_LED "\x00\x00\x01\xc2\x00\x00\x00" > memcpy(buf, ON_LED, 0x7); > usb_control_msg(devh, USB_TYPE_CLASS + USB_RECIP_INTERFACE, 1, 0x600, 0x400, > buf, 0x7, 1000); > > The problem is that this code works only when the camera is turned on. > > --- > In kernel code with looks like > > #define ON_LED "\x00\x00\x01\xc2\x00\x00\x00" > > buff = kmalloc(0x7, GFP_KERNEL); > memcpy(buff, ON_LED, 0x7); > ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0x83), 0x21, 0x1, 0x600, > 0x400, buff, 0x7, 1000); > > uvc_printk(KERN_ERR, "retval = %d\n", ret); > > But where to insert this code? > And it should be sent only after the start the video. > > _______________________________________________ > Linux-uvc-devel mailing list > Linux-uvc-devel@lists.berlios.de > https://lists.berlios.de/mailman/listinfo/linux-uvc-devel _______________________________________________ Linux-uvc-devel mailing list Linux-uvc-devel@lists.berlios.de https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
