If DMA is not selected, atmel_pcm_dma_platform_register() should fail. Like that, the driver knows it can't use it.
Signed-off-by: Richard Genoud <richard.gen...@gmail.com> --- sound/soc/atmel/atmel-pcm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/atmel/atmel-pcm.h b/sound/soc/atmel/atmel-pcm.h index 12ae814..c0a01fa 100644 --- a/sound/soc/atmel/atmel-pcm.h +++ b/sound/soc/atmel/atmel-pcm.h @@ -109,7 +109,7 @@ void atmel_pcm_dma_platform_unregister(struct device *dev); #else static inline int atmel_pcm_dma_platform_register(struct device *dev) { - return 0; + return -1; } static inline void atmel_pcm_dma_platform_unregister(struct device *dev) { -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/