ALSA: hda: Unexport a few more stuff

Drop EXPORT_SYMBOL*() from a few more stuff in HD-audio core that
aren't used outside.  Particular the unsol event handler can be
staticized now because the recent change removed all external
callers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/hda/hdac_bus.c

@@ -12,6 +12,8 @@
 #include "local.h"
 #include "trace.h"
 
+static void snd_hdac_bus_process_unsol_events(struct work_struct *work);
+
 static const struct hdac_bus_ops default_ops = {
 	.command = snd_hdac_bus_send_cmd,
 	.get_response = snd_hdac_bus_get_response,
@@ -149,7 +151,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_bus_queue_event);
 /*
  * process queued unsolicited events
  */
-void snd_hdac_bus_process_unsol_events(struct work_struct *work)
+static void snd_hdac_bus_process_unsol_events(struct work_struct *work)
 {
 	struct hdac_bus *bus = container_of(work, struct hdac_bus, unsol_work);
 	struct hdac_device *codec;
@@ -172,7 +174,6 @@ void snd_hdac_bus_process_unsol_events(struct work_struct *work)
 			drv->unsol_event(codec, res);
 	}
 }
-EXPORT_SYMBOL_GPL(snd_hdac_bus_process_unsol_events);
 
 /**
  * snd_hdac_bus_add_device - Add a codec to bus

sound/hda/hdac_device.c

@@ -221,8 +221,8 @@ EXPORT_SYMBOL_GPL(snd_hdac_codec_modalias);
  *
  * Return an encoded command verb or -1 for error.
  */
-unsigned int snd_hdac_make_cmd(struct hdac_device *codec, hda_nid_t nid,
-			       unsigned int verb, unsigned int parm)
+static unsigned int snd_hdac_make_cmd(struct hdac_device *codec, hda_nid_t nid,
+				      unsigned int verb, unsigned int parm)
 {
 	u32 val, addr;
 
@@ -240,7 +240,6 @@ unsigned int snd_hdac_make_cmd(struct hdac_device *codec, hda_nid_t nid,
 	val |= parm;
 	return val;
 }
-EXPORT_SYMBOL_GPL(snd_hdac_make_cmd);
 
 /**
  * snd_hdac_exec_verb - execute an encoded verb
@@ -261,7 +260,6 @@ int snd_hdac_exec_verb(struct hdac_device *codec, unsigned int cmd,
 		return codec->exec_verb(codec, cmd, flags, res);
 	return snd_hdac_bus_exec_verb(codec->bus, codec->addr, cmd, res);
 }
-EXPORT_SYMBOL_GPL(snd_hdac_exec_verb);
 
 
 /**

sound/hda/hdac_regmap.c

@@ -21,6 +21,7 @@
 #include <sound/core.h>
 #include <sound/hdaudio.h>
 #include <sound/hda_regmap.h>
+#include "local.h"
 
 static int codec_pm_lock(struct hdac_device *codec)
 {

sound/hda/local.h

@@ -37,4 +37,7 @@ int snd_hdac_bus_add_device(struct hdac_bus *bus, struct hdac_device *codec);
 void snd_hdac_bus_remove_device(struct hdac_bus *bus,
 				struct hdac_device *codec);
 
+int snd_hdac_exec_verb(struct hdac_device *codec, unsigned int cmd,
+		       unsigned int flags, unsigned int *res);
+
 #endif /* __HDAC_LOCAL_H */