Not able to capture video frames
- Date: Fri, 30 Jul 2010 04:30:51 -0700 (PDT)
- From: Sudhindra Nayak <sudhindra.nayak@xxxxxxxxx>
- Subject: Not able to capture video frames
I'm using the 'Omnivision' ov538 camera bridge processor along with an
ov10620 CMOS sensor. I'm using a driver which I got from the following link:
I've modified the driver by inserting printk statements in the driver code
to understand the flow of control between functions. I've also changed the
arguments passed to the 'sccb_reg_write' function to values corresponding to
the ov10620 sensor.
I'm using a v4l2 example code as my application along with the above
mentioned driver. The example code can be found at the below link:
When I run the application after inserting the driver, it calls the
open_device(), init_device() and start_capturing() functions and then enters
the mainloop() function. In the mainloop() function, the select() function
call times out after 2 seconds and I'm not able to capture any video frames.
I'm also receiving some errors like:
gspca: ISOC data error:  len=56, status=-71
gspca: ISOC data error:  len=12, status=-71
This repeats with different values for 'len' and the value in [ ].
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