linux-kernel - Re: [PATCH] SPI driver for LMS283GF05 LCD

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Date:	Wed, 22 Jul 2009 23:15:00 +0200
From:	Marek Vasut <marek.vasut@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, rpurdie@...ys.net
Subject: Re: [PATCH] SPI driver for LMS283GF05 LCD

Dne St 22. července 2009 22:52:43 Andrew Morton napsal(a):
> On Thu, 16 Jul 2009 10:04:02 +0200
>
> Marek Vasut <marek.vasut@...il.com> wrote:
> > >From b7077676a3016327ca1010d3bbc80a0b9f2742e5 Mon Sep 17 00:00:00 2001
> >
> > From: Marek Vasut <marek.vasut@...il.com>
> > Date: Thu, 16 Jul 2009 04:49:47 +0200
> > Subject: [PATCH] Samsung LMS283GF05 LCD SPI support
> >
> > This patch adds support for the SPI part of LMS283GF05 LCD. The LCD uses
> > SPI for initialization and powerdown sequences. No further defails are
> > specified in the datasheet about the initialization/powerdown sequence,
> > just the magic numbers that have to be sent over SPI bus. This LCD can
> > be found in the Aeronix Zipit Z2 handheld.
>
> The patch is wordwrapped and has all its tabs replaced with spaces.

I noticed this too, it's because I copy-pasted it from Konsole, sorry :-/
>
> > diff --git a/drivers/video/backlight/Kconfig
> > b/drivers/video/backlight/Kconfig index f9d19be..3f9cce3 100644
> > --- a/drivers/video/backlight/Kconfig
> > +++ b/drivers/video/backlight/Kconfig
> > @@ -31,6 +31,13 @@ config LCD_CORGI
> >           Say y here to support the LCD panels usually found on SHARP
> >           corgi (C7x0) and spitz (Cxx00) models.
> >
> > +config LCD_LMS283GF05
> > +       tristate "Samsung LMS283GF05 LCD"
> > +       depends on LCD_CLASS_DEVICE && SPI_MASTER
> > +       help
> > +         SPI driver for Samsung LMS283GF05. This provides basic support
> > +         for powering the LCD up/down through a sysfs interface.
> > +
>
> It generally looks OK to me.  Should it have a Kconfig dependency for
> its use of the GPIO layer?

Im sending fixed patch, yes. Thanks for pointing it out.

View attachment "0002-Samsung-LMS283GF05-LCD-SPI-support.patch" of type "text/x-patch" (8851 bytes)