Eino-Ville Talvala wrote: > Zach, > > We've gotten a Aptina MT9P031 driver working with the latest ISP > patchset, both with YUV and RAW data. > I don't know what the problem might be with YUYV data - we get useful > YUYV data without any changes to the ISP defaults. > However, to request RAW data, that simply uses the CCDC and bypasses all > the processing in the ISP, request the pixelformat of > V4L2_PIX_FMT_SGRBG10. This will give you two bytes per pixel, at least > in our case (although we have a 12-bit sensor cut down to 10 bits), so > be prepared to throw out every other byte. > > Hope this helps, > > Eino-Ville (Eddy) Talvala > Computer Graphics Lab > Stanford University > I've been working on this same issue, using a Micron MT9T001 sensor, without much success. Could you share your tree and/or patches (against what?)?? This would be most helpful. Thanks > On 7/14/2009 9:49 AM, Zach LeRoy wrote: >> Hello Sergio, >> >> I spoke with you earlier about using the ISP and omap34xxcam drivers >> with a micron mt9d111 SOC sensor. I have since been able to take >> pictures, but the sensor data is not making it through the ISP >> data-path correctly. I know the problem is in the ISP data-path >> because I am configuring the sensor the exact same way as I have been >> on my working PXA system. I am expecting 4:2:2 packed YUV data, but >> all of the U and V data is no more than 2 bits where it should be 8. >> I know the ISP has a lot of capabilities, but all I want to use it for >> is grabbing 8-bit data from my sensor and putting it in a buffer >> untouched using the CCDC interface (and of course clocking and >> timing). What are the key steps to take to get this type of >> configuration? >> >> Other Questions: >> >> Is there any processing done on YUV data in the ISP driver by default >> that I am missing? >> Has any one else experienced similar problems while adding new sensor >> support? >> >> Any help here would be greatly appreciated. >> >> Thank you, >> >> Zach LeRoy -- ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world ------------------------------------------------------------ -- 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
