Hi Oliver, Thank you for the patch. On Friday 09 August 2013 15:11:36 oliver@xxxxxxxxxx wrote: > From: Oliver Neukum <oneukum@xxxxxxx> > > This is necessary to let the new generation of cameras from LiteOn used in > Haswell ULT notebook operate. Otherwise the images will be truncated. Could you please post the lsusb -v output for the device ? Why does it need more buffers, is it a superspeed webcam ? > Signed-off-by: Oliver Neukum <oneukum@xxxxxxx> > --- > drivers/media/usb/uvc/uvcvideo.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/media/usb/uvc/uvcvideo.h > b/drivers/media/usb/uvc/uvcvideo.h index 9e35982..9f1930b 100644 > --- a/drivers/media/usb/uvc/uvcvideo.h > +++ b/drivers/media/usb/uvc/uvcvideo.h > @@ -114,9 +114,9 @@ > /* Number of isochronous URBs. */ > #define UVC_URBS 5 > /* Maximum number of packets per URB. */ > -#define UVC_MAX_PACKETS 32 > +#define UVC_MAX_PACKETS 128 That would mean up to 384KiB per URB. While not unreasonable, I'd like to know how much data your camera produces to require this. > /* Maximum number of video buffers. */ > -#define UVC_MAX_VIDEO_BUFFERS 32 > +#define UVC_MAX_VIDEO_BUFFERS 128 I don't think your camera really needs more than 32 V4L2 (full frame) buffers :-) > /* Maximum status buffer size in bytes of interrupt URB. */ > #define UVC_MAX_STATUS_SIZE 16 -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
