ALSA: hda - make some functions static

Minor clean ups: move snd_hda_codecs_inuse() into hda_intel.c and
make static.  Also, make snd_hda_query_supported_pcm() static
as it's used only in hda_codec.c.

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

sound/pci/hda/hda_codec.c

@@ -2218,7 +2218,7 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate,
  *
  * Returns 0 if successful, otherwise a negative error code.
  */
-int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
+static int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
 				u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
 {
 	int i;
@@ -3374,18 +3374,6 @@ int snd_hda_resume(struct hda_bus *bus)
 	}
 	return 0;
 }
-#ifdef CONFIG_SND_HDA_POWER_SAVE
-int snd_hda_codecs_inuse(struct hda_bus *bus)
-{
-	struct hda_codec *codec;
-
-	list_for_each_entry(codec, &bus->codec_list, list) {
-		if (snd_hda_codec_needs_resume(codec))
-			return 1;
-	}
-	return 0;
-}
-#endif
 #endif
 
 /*

sound/pci/hda/hda_codec.h

@@ -852,8 +852,6 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate,
 					unsigned int channels,
 					unsigned int format,
 					unsigned int maxbps);
-int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
-				u32 *ratesp, u64 *formatsp, unsigned int *bpsp);
 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
 				unsigned int format);
 
@@ -884,12 +882,10 @@ const char *snd_hda_get_jack_location(u32 cfg);
 void snd_hda_power_up(struct hda_codec *codec);
 void snd_hda_power_down(struct hda_codec *codec);
 #define snd_hda_codec_needs_resume(codec) codec->power_count
-int snd_hda_codecs_inuse(struct hda_bus *bus);
 #else
 static inline void snd_hda_power_up(struct hda_codec *codec) {}
 static inline void snd_hda_power_down(struct hda_codec *codec) {}
 #define snd_hda_codec_needs_resume(codec) 1
-#define snd_hda_codecs_inuse(bus) 1
 #endif
 
 #endif /* __SOUND_HDA_CODEC_H */

sound/pci/hda/hda_intel.c

@@ -1896,6 +1896,19 @@ static void azx_power_notify(struct hda_bus *bus)
 	else if (chip->running && power_save_controller)
 		azx_stop_chip(chip);
 }
+
+static int snd_hda_codecs_inuse(struct hda_bus *bus)
+{
+	struct hda_codec *codec;
+
+	list_for_each_entry(codec, &bus->codec_list, list) {
+		if (snd_hda_codec_needs_resume(codec))
+			return 1;
+	}
+	return 0;
+}
+#else /* !CONFIG_SND_HDA_POWER_SAVE */
+#define snd_hda_codecs_inuse(bus) 1
 #endif /* CONFIG_SND_HDA_POWER_SAVE */
 
 #ifdef CONFIG_PM