It might be this I will try this weekend - as I am on the road now - and keep you posted. Thx Laurent.
-----Original Message----- From: Laurent Pinchart [mailto:[EMAIL PROTECTED] Sent: Friday, July 18, 2008 10:31 PM To: linux-uvc-devel@lists.berlios.de Cc: Adrian Sergiu DARABANT; 'martuf1' Subject: Re: [Linux-uvc-devel] syntek 174f:8a12 unsupported? Hi Adrian, On Friday 18 July 2008, Adrian Sergiu DARABANT wrote: > I have a similar Syntek camera 174F:8a51 that blocks on Failed to query > some controls.Maybe in your case you'll have better luck. Mine is a 2M > camera that works on windows but fails desperately on Linux. I did not > manage yet to get a solution (it might be either the camera or the usb > modules in Linux). > > With 2.6.25 kernels it behaves a little bit better but still not working. Could you please try the following patch and report results here (including all messages printed by the uvcvideo driver to the kernel log) ? ---------------------------------------------------------------------------- - Index: uvc_video.c =================================================================== --- uvc_video.c (revision 230) +++ uvc_video.c (working copy) @@ -899,8 +899,7 @@ /* Some webcams don't suport GET_DEF request on the probe control. We * fall back to GET_CUR if GET_DEF fails. */ - if ((ret = uvc_get_video_ctrl(video, probe, 1, GET_DEF)) < 0 && - (ret = uvc_get_video_ctrl(video, probe, 1, GET_CUR)) < 0) + if ((ret = uvc_get_video_ctrl(video, probe, 1, GET_CUR))) return ret; /* Check if the default format descriptor exists. Use the first ---------------------------------------------------------------------------- - Best regards, Laurent Pinchart _______________________________________________ Linux-uvc-devel mailing list Linux-uvc-devel@lists.berlios.de https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
