[alsa-devel] [PATCH 1/4] ASoC: firmware: Add support for FW based kcontrols.

[Liam Girdwood]

On 29/11/12 15:51, Liam Girdwood wrote:
> On 29/11/12 15:15, Takashi Iwai wrote:
>> At Thu, 29 Nov 2012 12:08:18 +0000,
>> Liam Girdwood wrote:
>>>
>>> On 19/11/12 18:36, Takashi Iwai wrote:
>
>>>>
>>>> For the sound stuff, the patch is queued for 3.8 in for-next branch.
>>>> Please rebase on it.
>>>
>>> Done, but I'm now seeing some type conflict errors when building my userspace
>>> tools (i.e. after moving to include uapi/sound/asound.h from sound/asound.h).
>>>
>>> e.g.
>>>
>>> #include <stdlib.h>
>>> #include <uapi/sound/asound.h>
>>>
>>> int main ()
>>> {
>>> }
>>>
>>> gives :-
>>>
>>> gcc uapi-test.c -I ~/source/linux.git/include
>>
>> Pass -I ~/source/linux.git/include/uapi
>>
>> then
>>
>> #include <sound/asound.h>
>>
>
> Ah, I did initially try this before emailing :-
>
> gcc uapi-test.c -I ~/source/linux.git/include/uapi
> In file included from
> /home/lrg/source/linux.git/include/uapi/sound/asound.h:26:0,
>                   from uapi-test.c:2:
> /home/lrg/source/linux.git/include/uapi/linux/types.h:9:2: warning: #warning
> "Attempt to use kernel headers from user space, see
> http://kernelnewbies.org/KernelHeaders" [-Wcpp]
> In file included from
> /home/lrg/source/linux.git/include/uapi/linux/posix_types.h:4:0,
>                   from /home/lrg/source/linux.git/include/uapi/linux/types.h:13,
>                   from /home/lrg/source/linux.git/include/uapi/sound/asound.h:26,
>                   from uapi-test.c:2:
> /home/lrg/source/linux.git/include/uapi/linux/stddef.h:1:28: fatal error:
> linux/compiler.h: No such file or directory
>
> adding -D__EXPORTED_HEADERS__ to gcc command line gets rid of the warning, but
> it seems we are missing compiler.h (even in todays linux-next).
>
> If this works for you, it may be an issue at my end.
>

In fact adding the old include path at the end works, but is probably an 
interim fix until the uapi work is completed.

  gcc uapi-test.c -I ~/source/linux.git/include/uapi -D__EXPORTED_HEADERS__ -I 
/home/lrg/source/linux.git/include/

Thanks

Liam