Hi Christian On Wed, 6 Mar 2013, Christian Rhodin wrote: > Hi, > > I'm looking for some guidance on the correct way to handle a new pixel > format. What I'm dealing with is a CMOS image sensor that supports > dynamic switching between linear and iHDR modes. iHDR stands for > "interlaced High Dynamic Range" and is a mode where odd and even lines > have different exposure times, typically with an 8:1 ratio. When I > started implementing a driver for this sensor I used > "V4L2_MBUS_FMT_SGRBG10_1X10" as the format for the linear mode and > defined a new format "V4L2_MBUS_FMT_SGRBG10_IHDR_1X10" for the iHDR > mode. I used the format to control which mode I put the sensor in. But > now I'm having trouble switching modes without reinitializing the > sensor. Does anyone (everyone?) have an opinion about the correct way > to implement this? I'm thinking that the format is overloaded because > it represents both the size and type of the data. Should I use a single > format and add a control to switch the mode? I would vote for a single format with a control, maybe even somehow cluster it with the normal exposure, but I'm not an expert in that, not sure if it would make sense. Thanks Guennadi --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer http://www.open-technology.de/ -- 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
