Hi Sakari, On Wed, Sep 26, 2012 at 1:12 PM, Sakari Ailus <sakari.ailus@xxxxxx> wrote: > On Wed, Sep 26, 2012 at 12:14:36PM +0530, Prabhakar Lad wrote: >> Hi All, >> >> On Sun, Sep 23, 2012 at 4:56 PM, Prabhakar Lad >> <prabhakar.csengg@xxxxxxxxx> wrote: >> > Hi All, >> > >> > The CCD/Sensors have the capability to adjust the R/ye, Gr/Cy, Gb/G, >> > B/Mg gain values. >> > Since these control can be re-usable I am planning to add the >> > following gain controls as part >> > of the framework: >> > >> > 1: V4L2_CID_GAIN_RED >> > 2: V4L2_CID_GAIN_GREEN_RED >> > 3: V4L2_CID_GAIN_GREEN_BLUE >> > 4: V4L2_CID_GAIN_BLUE >> > 5: V4L2_CID_GAIN_OFFSET >> > >> > I need your opinion's to get moving to add them. >> > >> >> I am listing out the gain controls which is the outcome of above discussion:- >> >> 1: V4L2_CID_GAIN_RED >> 2: V4L2_CID_GAIN_GREEN_RED >> 3: V4L2_CID_GAIN_GREEN_BLUE >> 4: V4L2_CID_GAIN_BLUE >> 5: V4L2_CID_GAIN_OFFSET >> 6: V4L2_CID_BLUE_OFFSET >> 7: V4L2_CID_RED_OFFSET >> 8: V4L2_CID_GREEN_OFFSET > > Hi Prabhakar, > > As these are low level controls, I wonder whether it would make sense to > make a difference between digital and analogue gain. I admit I'm not quite > as certain whether there's such a large difference as there is for global > gains for the camera control algorithms. > > Which ones do you need now? > Currently I am need of following, 1: V4L2_CID_GAIN_RED 2: V4L2_CID_GAIN_GREEN_RED 3: V4L2_CID_GAIN_GREEN_BLUE 4: V4L2_CID_GAIN_BLUE 5: V4L2_CID_GAIN_OFFSET Regards, --Prabhakar Lad > Kind regards, > > -- > Sakari Ailus > e-mail: sakari.ailus@xxxxxx XMPP: sailus@xxxxxxxxxxxxxx -- 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
