On Wednesday 07 October 2009, Gianluca Cecchi wrote: > On Wed, Oct 7, 2009 at 2:59 PM, Ondrej Zary <linux@xxxxxxxxxxxxxxxxxxxx>wrote: > > [snip] > > > > > What was the change that supposedly broke this in 2.6.22? > > > > I discovered that it's not related to usb audio at all. Doing "rmmod > > uvcvideo" > > and "modprobe uvcvideo" repeatedly succeeded after a couple of tries. > > Increasing > > UVC_CTRL_STREAMING_TIMEOUT to 3000 helped (2000 was not enough). > > > > > > Increase UVC_CTRL_STREAMING_TIMEOUT to fix initialization of > > Logitech Quickcam for Notebooks Pro. > > This fixes following error messages: > > uvcvideo: UVC non compliance - GET_DEF(PROBE) not supported. Enabling > > workaround. > > uvcvideo: Failed to query (129) UVC probe control : -110 (exp. 26). > > uvcvideo: Failed to initialize the device (-5). > > > > Signed-off-by: Ondrej Zary <linux@xxxxxxxxxxxxxxxxxxxx> > > > > --- linux-2.6.31-orig/drivers/media/video/uvc/uvcvideo.h > > 2009-09-10 00:13:59.000000000 +0200 > > +++ linux-2.6.31/drivers/media/video/uvc/uvcvideo.h 2009-10-07 > > 13:47:27.000000000 +0200 > > @@ -304,7 +304,7 @@ > > #define UVC_MAX_STATUS_SIZE 16 > > > > #define UVC_CTRL_CONTROL_TIMEOUT 300 > > -#define UVC_CTRL_STREAMING_TIMEOUT 1000 > > +#define UVC_CTRL_STREAMING_TIMEOUT 3000 > > > > /* Devices quirks */ > > #define UVC_QUIRK_STATUS_INTERVAL 0x00000001 > > > > > > -- > > Ondrej Zary > > Could this kind of fix also be useful in my case with Omnivision oem in > Dell sp2208wfp monitor, in your opinion? > See thread > https://lists.berlios.de/pipermail/linux-uvc-devel/2008-February/003076.html > > incidentally at that time I was using Fedora 8 32bit with kernel > 2.6.23.15-137.fc8 that indeed is post 2.6.22.... I don't know - try it. My patch is not related to 2.6.22 and usb-audio at all. -- Ondrej Zary -- 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
