[ALSA] hda-codec - Fix build without CONFIG_SND_HDA_GENERIC

Fixed the build error from patch_sigmatel.c when built without
CONFIG_SND_HDA_GENERIC by defining a dummy function to return error.
Also, clean up hda_codec.c by removing unneeded ifdefs (the compiler
will optimize out).
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@perex.cz>

sound/pci/hda/hda_codec.c

@@ -626,24 +626,19 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 		snd_hda_get_codec_name(codec, bus->card->mixername,
 				       sizeof(bus->card->mixername));
 
-#ifdef CONFIG_SND_HDA_GENERIC
 	if (is_generic_config(codec)) {
 		err = snd_hda_parse_generic_codec(codec);
 		goto patched;
 	}
-#endif
 	if (codec->preset && codec->preset->patch) {
 		err = codec->preset->patch(codec);
 		goto patched;
 	}
 
 	/* call the default parser */
-#ifdef CONFIG_SND_HDA_GENERIC
 	err = snd_hda_parse_generic_codec(codec);
-#else
-	printk(KERN_ERR "hda-codec: No codec parser is available\n");
-	err = -ENODEV;
-#endif
+	if (err < 0)
+		printk(KERN_ERR "hda-codec: No codec parser is available\n");
 
  patched:
 	if (err < 0) {

sound/pci/hda/hda_local.h

@@ -245,7 +245,14 @@ int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
 /*
  * generic codec parser
  */
+#ifdef CONFIG_SND_HDA_GENERIC
 int snd_hda_parse_generic_codec(struct hda_codec *codec);
+#else
+static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
+{
+	return -ENODEV;
+}
+#endif
 
 /*
  * generic proc interface