diff --git a/sound/soc/samsung/h1940_uda1380.c b/sound/soc/samsung/h1940_uda1380.c
index fa91376e323d..fbced589d077 100644
--- a/sound/soc/samsung/h1940_uda1380.c
+++ b/sound/soc/samsung/h1940_uda1380.c
@@ -23,6 +23,7 @@
 #include "regs-iis.h"
 #include <asm/mach-types.h>
 
+#include <mach/gpio-samsung.h>
 #include "s3c24xx-i2s.h"
 
 static unsigned int rates[] = {
diff --git a/sound/soc/samsung/neo1973_wm8753.c b/sound/soc/samsung/neo1973_wm8753.c
index 807db417d234..98a04c11202d 100644
--- a/sound/soc/samsung/neo1973_wm8753.c
+++ b/sound/soc/samsung/neo1973_wm8753.c
@@ -20,6 +20,7 @@
 
 #include <sound/soc.h>
 
+#include <mach/gpio-samsung.h>
 #include <asm/mach-types.h>
 #include "regs-iis.h"
 
diff --git a/sound/soc/samsung/rx1950_uda1380.c b/sound/soc/samsung/rx1950_uda1380.c
index 704460a37005..06ebdc061770 100644
--- a/sound/soc/samsung/rx1950_uda1380.c
+++ b/sound/soc/samsung/rx1950_uda1380.c
@@ -24,6 +24,7 @@
 #include <sound/soc.h>
 #include <sound/jack.h>
 
+#include <mach/gpio-samsung.h>
 #include "regs-iis.h"
 #include <asm/mach-types.h>
 
diff --git a/sound/soc/samsung/s3c2412-i2s.c b/sound/soc/samsung/s3c2412-i2s.c
index ea885cb9f76c..d0794458963a 100644
--- a/sound/soc/samsung/s3c2412-i2s.c
+++ b/sound/soc/samsung/s3c2412-i2s.c
@@ -26,6 +26,8 @@
 #include <sound/pcm_params.h>
 
 #include <mach/dma.h>
+#include <mach/gpio-samsung.h>
+#include <plat/gpio-cfg.h>
 
 #include "dma.h"
 #include "regs-i2s-v2.h"
diff --git a/sound/soc/samsung/s3c24xx-i2s.c b/sound/soc/samsung/s3c24xx-i2s.c
index 9c8ebd872fac..f31e916dd8c4 100644
--- a/sound/soc/samsung/s3c24xx-i2s.c
+++ b/sound/soc/samsung/s3c24xx-i2s.c
@@ -24,6 +24,8 @@
 #include <sound/pcm_params.h>
 
 #include <mach/dma.h>
+#include <mach/gpio-samsung.h>
+#include <plat/gpio-cfg.h>
 #include "regs-iis.h"
 
 #include "dma.h"
diff --git a/sound/soc/samsung/smartq_wm8987.c b/sound/soc/samsung/smartq_wm8987.c
index 58ae3237ef69..c3b2adafb7b5 100644
--- a/sound/soc/samsung/smartq_wm8987.c
+++ b/sound/soc/samsung/smartq_wm8987.c
@@ -19,6 +19,7 @@
 #include <sound/soc.h>
 #include <sound/jack.h>
 
+#include <mach/gpio-samsung.h>
 #include <asm/mach-types.h>
 
 #include "i2s.h"