[PATCH] Kconfig fix (ISA_DMA_API and sound/*)

fixed kconfig dependencies on ISA_DMA_API for parts of sound/* that rely
on it.

Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/sound/core.h b/include/sound/core.h
index 38b357f..f72b3ef 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -360,11 +360,13 @@
 
 /* isadma.c */
 
+#ifdef CONFIG_ISA_DMA_API
 #define DMA_MODE_NO_ENABLE	0x0100
 
 void snd_dma_program(unsigned long dma, unsigned long addr, unsigned int size, unsigned short mode);
 void snd_dma_disable(unsigned long dma);
 unsigned int snd_dma_pointer(unsigned long dma, unsigned int size);
+#endif
 
 /* misc.c */