On Tuesday 12 May 2009 08:12:35 Kim, Heung Jun wrote: > Hello Hans, > > Nice to meet u on the mailing-list. > I'm an engineer of camera device driver, and work with Nathaniel(Dongsoo, > Kim). I'm wondering about how to use the Control Flags defined in the > videodev2.h. The Control Flags defined in the videodev2.h is the > following as you know, > > /* Control flags */ > #define V4L2_CTRL_FLAG_DISABLED 0x0001 > #define V4L2_CTRL_FLAG_GRABBED 0x0002 > #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 > #define V4L2_CTRL_FLAG_UPDATE 0x0008 > #define V4L2_CTRL_FLAG_INACTIVE 0x0010 > #define V4L2_CTRL_FLAG_SLIDER 0x0020 > > I tryed to find the usage of this definitions in the directories of > drivers/media/video > & include/, but I didn't. Actually, I need to use this definitions for > checking of ISP status. > So, I wanna know exact usage of this definitions to make the generic > driver code. > > i'll appreciate your answer beforehand. > Thanks to read. > > Regard, > riverful (HeungJun, Kim)
The V4L2 API spec is here: http://www.linuxtv.org/downloads/video4linux/API/V4L2_API/spec-single/v4l2.html And you can find a description of these flags here: http://www.linuxtv.org/downloads/video4linux/API/V4L2_API/spec-single/v4l2.html#VIDIOC-QUERYCTRL Let me know if you have questions not answered in the spec. Regards, Hans -- Hans Verkuil - video4linux developer - sponsored by TANDBERG Telecom -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
