Hi Heungjun, On Wednesday 25 May 2011 08:49:31 Kim, HeungJun wrote: > Hi Laurent, > > I try to add the more exposure methods of the M-5MOLS driver. Currently, > the only 2 exposure type are available in the M-5MOLS driver - > V4L2_EXPOSURE_AUTO, V4L2_EXPOSURE_MANUAL. But, the HW is capable to shutter, > aperture exposure value, of course auto exposure. > So, I found the only UVC driver looks like using extra enumerations > V4L2_EXPOSURE_SHUTTER_PRIORITY, V4L2_EXPOSURE_APERTURE_PRIORITY. > But, I don't know how to set the each value in the each mode. > > The way pointed the specific value is only one - > V4L2_CID_EXPOSURE_ABSOLUTE. So, how can I set the specific value at the > each mode? You can control the aperture using the V4L2_CID_IRIS_ABSOLUTE control. See http://linuxtv.org/downloads/v4l-dvb-apis/extended-controls.html#camera- controls for more information regarding the exposure and iris controls. -- Regards, Laurent Pinchart -- 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
