[alsa-devel] [GIT PULL FOR 2.6.39] Media controller and OMAP3 ISP driver

Mauro Carvalho Chehab mchehab at redhat.com
Sat Mar 5 19:22:28 CET 2011

Em 05-03-2011 10:02, Laurent Pinchart escreveu:
> Hi Mauro,
> Thanks for the review. Let me address all your concerns in a single mail.
> - ioctl numbers
> I'll send you a patch that reserves a range in Documentation/ioctl/ioctl-
> number.txt and update include/linux/media.h accordingly.

Ok, thanks.
> - private ioctls
> As already explained by David, the private ioctls are used to control advanced 
> device features that can't be handled by V4L2 controls at the moment (such as 
> setting a gamma correction table). Using those ioctls is not mandatory, and 
> the device will work correctly without them (albeit with a non optimal image 
> quality).
> David said he will submit a patch to document the ioctls.


> - media bus formats
> As Hans explained, there's no 1:1 relationship between media bus formats and 
> pixel formats.

Yet, there are some relationship between them. See my comments on my previous email.

> - FOURCC and media bus codes documentation
> I forgot to document some of them. I'll send a new patch that adds the missing 
> documentation.

> Is there any other issue I need to address ? 

Nothing else, in the patches I've analysed so far. I'll take a look at the remaining
omap3isp after receiving the documentation for the private ioctl's.

> My understanding is that there's 
> no need to rebase the existing patches, is that correct ?

Yes, it is correct. Just send the new patches to be applied at the end of the series.
I'll eventually reorder them if needed to avoid breaking git bisect.


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