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

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Date:	Thu, 29 Oct 2015 16:53:53 -0500
From:	Michael Welling <mwelling@...e.org>
To:	Arnd Bergmann <arnd@...db.de>
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 Thu, Oct 29, 2015 at 10:46:20PM +0100, Arnd Bergmann wrote:
> 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.

How would I call the function from the core then?

-Michael
> 
> 	Arnd
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