linux-kernel - Re: [PATCH v3] Input: tsc2005

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Date:	Thu, 29 Oct 2015 22:46:20 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Michael Welling <mwelling@...e.org>
Cc:	kbuild test robot <lkp@...el.com>, kbuild-all@...org,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Tony Lindgren <tony@...mide.com>, Pavel Machek <pavel@....cz>,
	Felipe Balbi <balbi@...com>,
	Sebastian Reichel <sre@...nel.org>,
	Roger Quadros <rogerq@...com>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Subject: Re: [PATCH v3] Input: tsc2005 - Add support for tsc2004

On Thursday 29 October 2015 09:22:37 Michael Welling wrote:
> > 
> > All errors (new ones prefixed by >>):
> > 
> >    drivers/built-in.o: In function `tsc2005_cmd':
> > >> tsc200x-core.c:(.text+0x2ae07f): undefined reference to `i2c_smbus_write_byte'
> 
> Argh!
> 
> How do I fix this one?
> 

Move all the I2C specific code into the tsc2004.c file and remove the
#ifdef. The problem is that tsc200x-core.c is used as built-in when
TOUCHSCREEN_TSC2005=y and I2C=m, so it can't call functions that are
defined in i2c-core.c.

	Arnd
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