[PATCH -next] ASoC: AMD: Add missing include file

[Guenter Roeck]

arm:allmodconfig, s390:allmodconfig, sparc64:allmodconfig, and probably
other builds fail with

sound/soc/amd/acp-pcm-dma.c:83:2: error:
	implicit declaration of function âreadlâ
sound/soc/amd/acp-pcm-dma.c:88:2: error:
	implicit declaration of function âwritelâ

Include linux/io.h explicitly to fix the problem.

Fixes: 7c31335a03b6a ("ASoC: AMD: add AMD ASoC ACP 2.x DMA driver")
Cc: Maruthi Srinivas Bayyavarapu <Maruthi.Bayyavarapu@xxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
 sound/soc/amd/acp-pcm-dma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c
index cc8b841b69b6..3191e0a7d273 100644
--- a/sound/soc/amd/acp-pcm-dma.c
+++ b/sound/soc/amd/acp-pcm-dma.c
@@ -15,6 +15,7 @@
 
 #include <linux/module.h>
 #include <linux/delay.h>
+#include <linux/io.h>
 #include <linux/sizes.h>
 #include <linux/pm_runtime.h>
 
-- 
2.1.4