Thanks for your reply peter...This is my "demsg" output..[ 437.861160] /home/sharief/Desktop/webcam/gspca/gspcav1-20071224/gspca_core.c: [gspca_set_isoc_ep:945] ISO EndPoint found 0x81 AlternateSet 7 [ 437.862330] PM: Removing info for No Bus:usbdev2.2_ep81 [ 437.863419] PM: Removing info for No Bus:usbdev2.2_ep82 [ 437.864545] PM: Adding info for No Bus:usbdev2.2_ep81 [ 437.865210] PM: Adding info for No Bus:usbdev2.2_ep82 [ 439.015495] PM: Removing info for No Bus:usbdev2.2_ep81 [ 439.016736] PM: Removing info for No Bus:usbdev2.2_ep82 [ 439.018003] PM: Adding info for No Bus:usbdev2.2_ep81 [ 439.018785] PM: Adding info for No Bus:usbdev2.2_ep82 shar...@sharief-desktop:~/Desktop/video drivers$
--- On Sat, 10/1/09, Peter Teoh <htmldevelo...@gmail.com> wrote: From: Peter Teoh <htmldevelo...@gmail.com> Subject: Re: error in v4l2 program To: sharie...@yahoo.co.in Date: Saturday, 10 January, 2009, 12:28 PM check your dmesg output, the error come from kernel - the VIDIOC_S_FMT in the driver side is having errors???? On 1/10/09, niamathullah sharief <sharie...@yahoo.co.in> wrote: I have v4l2 program...it gets compiled wothout error....but when i runned that i am getting the following error... shar...@sharief-desktop:~/Desktop/video drivers$ gcc vgrab5.c -Wall -o vgrab5 shar...@sharief-desktop:~/Desktop/video drivers$ ./vgrab5 /dev/video0 > t.pgm ioctl (VIDIOC_S_FMT) failed, 22 VIDIOC_S_FMT: Invalid argument i am using "creative" webcam....its usb port connected cam...dont know what to do.. Add more friends to your messenger and enjoy! Invite them now. -- Regards, Peter Teoh Get perfect Email ID for your Resume. Grab now http://in.promos.yahoo.com/address