Re: [RFC PATCH 00/24] Make Nokia N900 cameras working

["Ивайло Димитров" <ivo.g.dimitrov.75@gmail.com>]

Hi,

On Wed Apr 27 19:42:56 2016 Sebastian Reichel <sre@kernel.org> wrote:
> Hi,
> 
> On Wed, Apr 27, 2016 at 09:57:51AM +0300, Ivaylo Dimitrov wrote:
> > > > https://git.kernel.org/cgit/linux/kernel/git/sre/linux-n900.git/log/?h=n900-camera-ivo
> > > 
> > > Ok, going to diff with my tree to see what I have missed to send in
> > > the patchset
> > 
> > Now, that's getting weird.
> 
> [...]
> The zImage + initrd works with the steps you described below. I

Great!

> received a completly black image, but at least there are interrupts
> and yavta is happy (=> it does not hang).
>

The black image is because by default exposure and gain are set to 0 :). 
Use yavta to set the appropriate controls. You can
also enable test patterns from there.

> 
> Can you try if your config still works if you configure
> CONFIG_VIDEO_OMAP3=y, but leaving the sensors configured
> as modules? I will try the reverse process (using my config
> and moving config options to =m).
>

Will try to find time later today.
 
> > ~$ modprobe smiapp
> 
> modprobing smiapp resulted in a kernel message about a missing
> symbol btw. I currently don't remember which one and it's no
> longer in dmesg due to ISP debug messages.
>

Never seen such missing symbols.

> > Please, Sebastian and Pavel, make sure you're not using some
> > development devices, old board versions need VAUX3 enabled as well,
> > and this is not supported in the $subject patchset. I guess you may
> > try to make VAUX3 always-on in board DTS if that's the case, but I've
> > never tested that, my device is a production one.
> 
> I don't have pre-production N900s. The phone I use for development
> is HW revision 2101 with Finish keyboard layout. Apart from that
> I have my productive phone, which is rev 2204 with German layout.
> 

The one I use for testing is 2204, but I guess it is
irrelevant now you have it finally working.

Ivo