linux-kernel - Re: Siemens sx1: merge framebuffer support

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Date:	Wed, 22 Nov 2006 14:08:08 +0200
From:	Imre Deák <imre.deak@...idboot.com>
To:	Tony Lindgren <tony@...mide.com>
Cc:	Imre Deak <imre.deak@...idboot.com>,
	Komal Shah <komal.shah802003@...il.com>,
	James Simmons <jsimmons@...radead.org>,
	Vladimir <vovan888@...il.com>, Pavel Machek <pavel@....cz>,
	kernel list <linux-kernel@...r.kernel.org>,
	Linux Fbdev development list 
	<linux-fbdev-devel@...ts.sourceforge.net>
Subject: Re: Siemens sx1: merge framebuffer support

Hi Tony and all,

On Tue, Nov 21, 2006 at 04:47:25PM +0000, Tony Lindgren wrote:
> Hi,
> 
> * Komal Shah <komal.shah802003@...il.com> [061121 15:35]:
> > On 11/21/06, James Simmons <jsimmons@...radead.org> wrote:
> > >
> > >Can you post the framebufer driver to the framebuffer list. We like to do
> > >peer review. Thank you :-)
> 
> It would be nice to get the framebuffer integrated. I think it would be
> best if Imre submitted the patches as it's mostly his work.
> 
> Imre, do you have time to send the patches to framebuffer list? If not,
> I can send them.

Yes, I'm going to post it this week.

--Imre

> 
> > >On Tue, 21 Nov 2006, Vladimir wrote:
> > >
> > >> 2006/11/20, Tony Lindgren <tony@...mide.com>:
> > >> > * Pavel Machek <pavel@....cz> [061118 18:16]:
> > >> > > From: Vladimir Ananiev <vovan888@...il.com>
> > >> > >
> > >> > > Framebuffer support for Siemens SX1; this is second big patch. (Third
> > >> > > one will be mixer/sound support). Support is simple / pretty minimal,
> > >> > > but seems to work okay (and is somehow important for a cell phone 
> > >:-).
> > >> >
> > >> > Pushed to linux-omap. I guess you're planning to send the missing
> > >> > Kconfig + Makefile patch for this?
> > >> >
> > >> > Also, it would be better to use omap_mcbsp_xmit_word() or
> > >> > omap_mcsbsp_spi_master_xmit_word_poll() instead of OMAP_MCBSP_WRITE as
> > >> > it does not do any checking that it worked. The aic23 and tsc2101
> > >> > audio in linux-omap tree in general has the same problem.
> > >> >
> > >> > Regards,
> > >> >
> > >> > Tony
> > >> >
> > >>
> > >> Hmm. McBSP3 in SX1 is used in "GPIO mode". The only line used is CLKX,
> > >> so I think OMAP_MCBSP_WRITE would be enough. Am I wrong ?
> > >> -
> > 
> > Again, framebuffer support patch is based on the omap framebuffer
> > driver, which is not yet submitted to upstream/fbdevel list. sx1
> > framebuffer support just fill up the hooks required by -omap fb driver
> > framework.
> 
> Yes, but the framebuffer code is in pretty much ready to be sent
> upstream :)
> 
> Regards,
> 
> Tony
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