diff --git a/sound/soc/samsung/idma.c b/sound/soc/samsung/idma.c
index 5c59c95c5ade..a635df61f928 100644
--- a/sound/soc/samsung/idma.c
+++ b/sound/soc/samsung/idma.c
@@ -399,7 +399,7 @@ void idma_reg_addr_init(void __iomem *regs, dma_addr_t addr)
 }
 EXPORT_SYMBOL_GPL(idma_reg_addr_init);
 
-static struct snd_soc_platform_driver asoc_idma_platform = {
+static const struct snd_soc_platform_driver asoc_idma_platform = {
 	.ops = &idma_ops,
 	.pcm_new = idma_new,
 	.pcm_free = idma_free,