From ddf7cb83b0f45feb94ad89a987f600c766c463ca Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 14 Aug 2019 19:59:44 +0200
Subject: [PATCH] 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>
---
 include/sound/hdaudio.h | 6 ------
 sound/hda/hdac_bus.c    | 5 +++--
 sound/hda/hdac_device.c | 6 ++----
 sound/hda/hdac_regmap.c | 1 +
 sound/hda/local.h       | 3 +++
 5 files changed, 9 insertions(+), 12 deletions(-)

diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index edb176a265c7..b260c5fd2337 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -122,10 +122,6 @@ int snd_hdac_codec_modalias(struct hdac_device *hdac, char *buf, size_t size);
 
 int snd_hdac_refresh_widgets(struct hdac_device *codec);
 
-unsigned int snd_hdac_make_cmd(struct hdac_device *codec, hda_nid_t nid,
-			       unsigned int verb, unsigned int parm);
-int snd_hdac_exec_verb(struct hdac_device *codec, unsigned int cmd,
-		       unsigned int flags, unsigned int *res);
 int snd_hdac_read(struct hdac_device *codec, hda_nid_t nid,
 		  unsigned int verb, unsigned int parm, unsigned int *res);
 int _snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm,
@@ -374,8 +370,6 @@ int snd_hdac_bus_exec_verb_unlocked(struct hdac_bus *bus, unsigned int addr,
 				    unsigned int cmd, unsigned int *res);
 void snd_hdac_bus_queue_event(struct hdac_bus *bus, u32 res, u32 res_ex);
 
-void snd_hdac_bus_process_unsol_events(struct work_struct *work);
-
 static inline void snd_hdac_codec_link_up(struct hdac_device *codec)
 {
 	set_bit(codec->addr, &codec->bus->codec_powered);
diff --git a/sound/hda/hdac_bus.c b/sound/hda/hdac_bus.c
index 18ed3185df82..8f19876244eb 100644
--- a/sound/hda/hdac_bus.c
+++ b/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
diff --git a/sound/hda/hdac_device.c b/sound/hda/hdac_device.c
index 033bcef8751a..bf83d7062ef6 100644
--- a/sound/hda/hdac_device.c
+++ b/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);
 
 
 /**
diff --git a/sound/hda/hdac_regmap.c b/sound/hda/hdac_regmap.c
index f399a1552e73..286361ecd640 100644
--- a/sound/hda/hdac_regmap.c
+++ b/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)
 {
diff --git a/sound/hda/local.h b/sound/hda/local.h
index 3a4e303169a6..5b935219352f 100644
--- a/sound/hda/local.h
+++ b/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 */