ALSA: hda - Move the function "check_amp_caps" to hda_codec.c

The next patch will use it, so make it visible across modules.
Signed-off-by: NDavid Henningsson <david.henningsson@canonical.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_codec.c

@@ -2001,6 +2001,26 @@ u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
 }
 EXPORT_SYMBOL_GPL(query_amp_caps);
 
+/**
+ * snd_hda_check_amp_caps - query AMP capabilities
+ * @codec: the HD-audio codec
+ * @nid: the NID to query
+ * @dir: either #HDA_INPUT or #HDA_OUTPUT
+ *
+ * Check whether the widget has the given amp capability for the direction.
+ */
+bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
+			   int dir, unsigned int bits)
+{
+	if (!nid)
+		return false;
+	if (get_wcaps(codec, nid) & (1 << (dir + 1)))
+		if (query_amp_caps(codec, nid, dir) & bits)
+			return true;
+	return false;
+}
+EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
+
 /**
  * snd_hda_override_amp_caps - Override the AMP capabilities
  * @codec: the CODEC to clean up

sound/pci/hda/hda_generic.c

@@ -519,18 +519,6 @@ static unsigned int amp_val_replace_channels(unsigned int val, unsigned int chs)
 	return val;
 }
 
-/* check whether the widget has the given amp capability for the direction */
-static bool check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
-			   int dir, unsigned int bits)
-{
-	if (!nid)
-		return false;
-	if (get_wcaps(codec, nid) & (1 << (dir + 1)))
-		if (query_amp_caps(codec, nid, dir) & bits)
-			return true;
-	return false;
-}
-
 static bool same_amp_caps(struct hda_codec *codec, hda_nid_t nid1,
 			  hda_nid_t nid2, int dir)
 {
@@ -540,11 +528,6 @@ static bool same_amp_caps(struct hda_codec *codec, hda_nid_t nid1,
 		query_amp_caps(codec, nid2, dir));
 }
 
-#define nid_has_mute(codec, nid, dir) \
-	check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE))
-#define nid_has_volume(codec, nid, dir) \
-	check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS)
-
 /* look for a widget suitable for assigning a mute switch in the path */
 static hda_nid_t look_for_out_mute_nid(struct hda_codec *codec,
 				       struct nid_path *path)

sound/pci/hda/hda_local.h

@@ -603,6 +603,14 @@ int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
 int snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
 			      unsigned int caps);
+bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
+			   int dir, unsigned int bits);
+
+#define nid_has_mute(codec, nid, dir) \
+	snd_hda_check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE))
+#define nid_has_volume(codec, nid, dir) \
+	snd_hda_check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS)
+
 
 /* flags for hda_nid_item */
 #define HDA_NID_ITEM_AMP	(1<<0)