Re: Nokia n810 LCD (MIPID/blizzard) on 2.6.38

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On Tue, 2011-03-01 at 11:20 +0200, Felipe Balbi wrote: 
> On Mon, Feb 28, 2011 at 09:45:43PM +0100, Michael Buesch wrote:
> > The n810 LCD does not work on the 2.6.38(-rc6) kernel
> > due to changes in the OMAP GPIO-hwmod code.
> > 
> > The hwmod code performs a soft-reset on the GPIO
> > module. The first GPIO module carries the MIPID
> > "nreset" line, which is toggled due to the hwmod soft reset.
> > This resets Blizzard and breaks it, because
> > it assumes the LCD was left in the state that the
> > bootloader initialized it to:
> 
> so that's the bug which needs to be fixed. Unfortunately I don't have
> any documentation available anymore. Maybe someone from Nokia would fix
> that ?
> 
> > I'm wondering if a better fix suitable for the mainline
> > kernel inclusion could be found.
> > Any ideas?
> 
> Don't depend on the bootloader :-)

Yeah that's the obvious fix, of course. However, it requires
deep knowledge of the device and/or hardware documentation. Both
of which I don't have.
The driver also doesn't seem to have a maintainer.

If someone can get me documentation, I'm willing to implement
the required bits to remove the bootloader dependency.

-- 
Greetings Michael.

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