Re: [RFC PATCH 6/8] Add V4L2_CID_AUTOEXPOSURE control
- Date: Thu, 24 Jan 2008 23:18:42 +0100 (CET)
- From: Guennadi Liakhovetski <g.liakhovetski@xxxxxxxxxxxxxx>
- Subject: Re: [RFC PATCH 6/8] Add V4L2_CID_AUTOEXPOSURE control
On Thu, 24 Jan 2008, Trent Piepho wrote:
> On Wed, 23 Jan 2008, Guennadi Liakhovetski wrote:
> > The MT9V022 camera has hardware AEC support, that can be switched on and
> > off in software. MT9M001 emulates Autoexposure control in software. Add a
> > V4L2 control, similar to already present Autogain.
>
> If you're going to add a new-non private control, there should be
> documentation. There are already several drivers with auto-exposure
> controls.
Ok, thanks, will have a look.
> > #define V4L2_CID_LASTP1 (V4L2_CID_BASE+24) /* last CID + 1 */
> > +#define V4L2_CID_AUTOEXPOSURE (V4L2_CID_BASE+25)
>
> Take a closer look at the line before the one you changed.
Right, Sakari Ailus has already pointed this, I guess, I then have to set
LASTP1 to BASE+25 and AUTOEXPOSURE to BASE+24?
Thanks
Guennadi
---
Guennadi Liakhovetski
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