Re: [PATCH] apple-gmux: Correctly depend on apple_bl for building

[Arun Raghavan <arun.raghavan@collabora.co.uk>]

On Thu, 2012-06-28 at 08:20 -0500, Seth Forshee wrote:
> On Thu, Jun 28, 2012 at 04:06:36PM +0530, Arun Raghavan wrote:
> > apple_bl_register/unregister() are unconditionally used now, so we need
> > to make sure that apple_bl is selected appropriately (built-in/module)
> > if apple-gmux is being built.
> 
> apple_bl.h provides stubs for these functions when apple_bl is not
> built, so this shouldn't be necessary. Are you encoutering a situation
> that causes build problems?

Yes, I am. With CONFIG_BACKLIGHT_APPLE=m and CONFIG_APPLE_GMUX=y, I see
the following error:

  LD      init/built-in.o
drivers/built-in.o: In function `gmux_probe':
apple-gmux.c:(.devinit.text+0xa769): undefined reference to `apple_bl_unregister'
drivers/built-in.o: In function `gmux_remove':
apple-gmux.c:(.devexit.text+0x46d): undefined reference to `apple_bl_register'

-- Arun