VIDEO_SAA7134=y and SOUND=n results in the following compile error:

  LD      .tmp_vmlinux1
drivers/built-in.o(.text+0x4fafcb): In function `saa7134_initdev':
: undefined reference to `unregister_sound_dsp'
drivers/built-in.o(.text+0x4fb141): In function `saa7134_initdev':
: undefined reference to `register_sound_dsp'
drivers/built-in.o(.text+0x4fb17c): In function `saa7134_initdev':
: undefined reference to `register_sound_mixer'
drivers/built-in.o(.text+0x4fb339): In function `saa7134_finidev':
: undefined reference to `unregister_sound_mixer'
drivers/built-in.o(.text+0x4fb341): In function `saa7134_finidev':
: undefined reference to `unregister_sound_dsp'
make: *** [.tmp_vmlinux1] Error 1
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>