sound: Add export.h for THIS_MODULE/EXPORT_SYMBOL where needed

These aren't modules, but they do make use of these macros, so
they will need export.h to get that definition.  Previously,
they got it via the implicit module.h inclusion.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

4 files changed, 4 insertions, 0 deletions

diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c
index 143c705ac27b..9077aa4b3b4e 100644
--- a/sound/soc/soc-cache.c
+++ b/sound/soc/soc-cache.c
@@ -17,6 +17,7 @@
 #include <linux/lzo.h>
 #include <linux/bitmap.h>
 #include <linux/rbtree.h>
+#include <linux/export.h>
 
 #include <trace/events/asoc.h>
 
diff --git a/sound/soc/soc-io.c b/sound/soc/soc-io.c
index dd89933e2c72..c8610cbf34a5 100644
--- a/sound/soc/soc-io.c
+++ b/sound/soc/soc-io.c
@@ -14,6 +14,7 @@
 #include <linux/i2c.h>
 #include <linux/spi/spi.h>
 #include <linux/regmap.h>
+#include <linux/export.h>
 #include <sound/soc.h>
 
 #include <trace/events/asoc.h>
diff --git a/sound/soc/soc-jack.c b/sound/soc/soc-jack.c
index 52db96636290..6c5ebd38c1b0 100644
--- a/sound/soc/soc-jack.c
+++ b/sound/soc/soc-jack.c
@@ -17,6 +17,7 @@
 #include <linux/interrupt.h>
 #include <linux/workqueue.h>
 #include <linux/delay.h>
+#include <linux/export.h>
 #include <trace/events/asoc.h>
 
 /**
diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c
index ec921ec99c26..0c12b98484bd 100644
--- a/sound/soc/soc-utils.c
+++ b/sound/soc/soc-utils.c
@@ -14,6 +14,7 @@
  */
 
 #include <linux/platform_device.h>
+#include <linux/export.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>