[alsa-devel] usr/include/linux/soundcard.h warnings for 'make headers_check'

Jaswinder Singh Rajput jaswinder at kernel.org
Wed Feb 4 12:31:37 CET 2009


On Wed, 2009-02-04 at 11:52 +0100, Takashi Iwai wrote:
> At Wed, 04 Feb 2009 16:07:57 +0530,
> Jaswinder Singh Rajput wrote:
> > 
> > In kernel space we use USE_SEQ_MACROS in:
> > sound/oss/mpu401.c
> > sound/oss/midi_synth.c
> > 
> > so we can replace
> > #if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS)
> > with
> > #ifdef USE_SEQ_MACROS
> 
> Then this will break user-space apps.  They don't define
> USE_SEQ_MACROS always.
> 

If userspace apps are coming through sys/soundcard.h we can define
USE_SEQ_MACROS in it 
OR 
define USE_SEQ_MACROS in linux/soundcard.h for userspace 
OR 
need to redefine better #ifdef

Thanks,
--
JSR



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