On Sat, 31 Jan 2009, Bennet Fischer wrote: > Hi > > > I am trying to get a camera to work together with an PXA270 processor. > My system has the following specs: > > Platform: Gumstix Verdex Pro > Camera: HV7131RP > OS: Linux 2.6.28 > > I wrote a simple driver for the camera which omits all the i2c-stuff > because the camera starts already in a default configuration which > works fine for me. > A V4L2-device is generated and everything looks fine. But when i start > to capture, no data arrives BUT the Quick Capture Interface outputs a > MCLK and the camera responds with a PCLK, LV and FV (and data of > couse). > For getting a bit closer to the origin of the problem I disabled DMA > in pxa_camera.c and enabled all Interrupts in the CICR0 register. No > interrupt is generated. Even by disabling DMA and IRQ and looking into > CISR nothing happens. > I checked all the CIF registers bitwise. The polarity of the LV and FV > is correct, the alternate pin functions are correct, the interrupt bit > is non-masked, the size of the pixel matrix is correct. I'm a bit > desperate because at the moment I have no idea what to do next. I > would be thankful for any hint. Maybe you could post your platform data, i.e., your struct pxacamera_platform_data? Thanks Guennadi --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer -- 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
