ALSA: hda - Change return value for load_dsp_prepare() to -ENOSYS

Signed-off-by: Ian Minett <ian_minett@creativelabs.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_codec.h

@@ -1165,7 +1165,7 @@ snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
 				unsigned int size,
 				struct snd_dma_buffer *bufp)
 {
-	return 0;
+	return -ENOSYS;
 }
 static inline void
 snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {}