Re: [PATCH 08/13 v3] ov6650: convert to the control framework.

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On Fri, 9 Sep 2011, Janusz Krzysztofik wrote:

> On Fri, 9 Sep 2011 at 20:01:14 Guennadi Liakhovetski wrote:
> > Hi Janusz
> > 
> > On Fri, 9 Sep 2011, Janusz Krzysztofik wrote:
> > 
> > > On Thu, 8 Sep 2011 at 10:44:01 Guennadi Liakhovetski wrote:
> > > > From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> > > > 
> > > > Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> > > > [g.liakhovetski@xxxxxx: simplified pointer arithmetic]
> > > > Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
> > > 
> > > Hi,
> > > I've successfully tested this one for you, to the extent possible using 
> > > mplayer, i.e., only saturation, hue and brightness controls, and an 
> > > overall functionality.
> > 
> > Thanks for testing and reviewing!
> > 
> > > Modifications to other (not runtime tested) controls look good to me, 
> > > except for one copy-paste mistake, see below. With that erratic REG_BLUE 
> > > corrected:
> > > 
> > > Acked-by: Janusz Krzysztofik <jkrzyszt@xxxxxxxxxxxx>
> > > 
> > > There are also a few minor comments for you to consider.
> > 
> > Well, some of them are not so minor, I would say;-) But I personally would 
> > be happy to have this just as an incremental patch. Would you like to 
> > prepare one or should I do it?
> 
> OK, I can do it.
> 
> Do you want them all (except the one below) go into the incremental 
> patch, or would you rather fix that REG_RED bug still before applying?

Just put them all in one.

Thanks
Guennadi

> 
> Thanks,
> Janusz
> 
> > 
> > I basically agree with all your comments apart from maybe
> > 
> > [snip]
> > 
> > > > @@ -1176,9 +1021,11 @@ static int ov6650_probe(struct i2c_client *client,
> > > >  	priv->colorspace  = V4L2_COLORSPACE_JPEG;
> > > >  
> > > >  	ret = ov6650_video_probe(icd, client);
> > > > +	if (!ret)
> > > > +		ret = v4l2_ctrl_handler_setup(&priv->hdl);
> > > 
> > > Are you sure the probe function should fail if v4l2_ctrl_handler_setup() 
> > > fails? Its usage is documented as optional.
> > 
> > Not sure what the standard really meant, but it looks like this is done in 
> > all patches in this series. So, we'd have to change this everywhere. Most 
> > other drivers indeed do not care.
> > 
> > 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
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> > More majordomo info at  http://vger.kernel.org/majordomo-info.html
> > 
> 

---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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