ALSA: hda - Add snd_hda_gen_free() and snd_hda_gen_check_power_status()

Just to remove duplicated codes.
Also fixed EXPORT_SYMBOL() in hda_generic.c.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_generic.c

@@ -3939,36 +3939,39 @@ int snd_hda_gen_init(struct hda_codec *codec)
 	hda_call_check_power_status(codec, 0x01);
 	return 0;
 }
-EXPORT_SYMBOL(snd_hda_gen_init);
+EXPORT_SYMBOL_HDA(snd_hda_gen_init);
 
 
-/*
- * the generic codec support
- */
+void snd_hda_gen_free(struct hda_codec *codec)
+{
+	snd_hda_gen_spec_free(codec->spec);
+	kfree(codec->spec);
+	codec->spec = NULL;
+}
+EXPORT_SYMBOL_HDA(snd_hda_gen_free);
 
 #ifdef CONFIG_PM
-static int generic_check_power_status(struct hda_codec *codec, hda_nid_t nid)
+int snd_hda_gen_check_power_status(struct hda_codec *codec, hda_nid_t nid)
 {
 	struct hda_gen_spec *spec = codec->spec;
 	return snd_hda_check_amp_list_power(codec, &spec->loopback, nid);
 }
+EXPORT_SYMBOL_HDA(snd_hda_gen_check_power_status);
 #endif
 
-static void generic_free(struct hda_codec *codec)
-{
-	snd_hda_gen_spec_free(codec->spec);
-	kfree(codec->spec);
-	codec->spec = NULL;
-}
+
+/*
+ * the generic codec support
+ */
 
 static const struct hda_codec_ops generic_patch_ops = {
 	.build_controls = snd_hda_gen_build_controls,
 	.build_pcms = snd_hda_gen_build_pcms,
 	.init = snd_hda_gen_init,
-	.free = generic_free,
+	.free = snd_hda_gen_free,
 	.unsol_event = snd_hda_jack_unsol_event,
 #ifdef CONFIG_PM
-	.check_power_status = generic_check_power_status,
+	.check_power_status = snd_hda_gen_check_power_status,
 #endif
 };
 
@@ -3995,7 +3998,7 @@ int snd_hda_parse_generic_codec(struct hda_codec *codec)
 	return 0;
 
 error:
-	generic_free(codec);
+	snd_hda_gen_free(codec);
 	return err;
 }
-EXPORT_SYMBOL(snd_hda_parse_generic_codec);
+EXPORT_SYMBOL_HDA(snd_hda_parse_generic_codec);

sound/pci/hda/hda_generic.h

@@ -218,6 +218,7 @@ int snd_hda_gen_spec_init(struct hda_gen_spec *spec);
 void snd_hda_gen_spec_free(struct hda_gen_spec *spec);
 
 int snd_hda_gen_init(struct hda_codec *codec);
+void snd_hda_gen_free(struct hda_codec *codec);
 
 struct nid_path *snd_hda_get_nid_path(struct hda_codec *codec,
 				      hda_nid_t from_nid, hda_nid_t to_nid);
@@ -257,4 +258,8 @@ void snd_hda_gen_mic_autoswitch(struct hda_codec *codec,
 				struct hda_jack_tbl *jack);
 void snd_hda_gen_update_outputs(struct hda_codec *codec);
 
+#ifdef CONFIG_PM
+int snd_hda_gen_check_power_status(struct hda_codec *codec, hda_nid_t nid);
+#endif
+
 #endif /* __SOUND_HDA_GENERIC_H */

sound/pci/hda/patch_realtek.c

@@ -808,14 +808,6 @@ static int alc_init(struct hda_codec *codec)
 	return 0;
 }
 
-#ifdef CONFIG_PM
-static int alc_check_power_status(struct hda_codec *codec, hda_nid_t nid)
-{
-	struct alc_spec *spec = codec->spec;
-	return snd_hda_check_amp_list_power(codec, &spec->gen.loopback, nid);
-}
-#endif
-
 static inline void alc_shutup(struct hda_codec *codec)
 {
 	struct alc_spec *spec = codec->spec;
@@ -876,10 +868,8 @@ static const struct hda_codec_ops alc_patch_ops = {
 	.unsol_event = snd_hda_jack_unsol_event,
 #ifdef CONFIG_PM
 	.resume = alc_resume,
-#endif
-#ifdef CONFIG_PM
 	.suspend = alc_suspend,
-	.check_power_status = alc_check_power_status,
+	.check_power_status = snd_hda_gen_check_power_status,
 #endif
 	.reboot_notify = alc_shutup,
 };