ALSA: hda - Enable loopback accounts for CONFIG_PM=n, too

The loopback list is referred by the VIA codec driver no matter
whether CONFIG_PM is set or not, thus we need to enable it always.
Otherwise it gets compile errors.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_generic.c

@@ -2483,7 +2483,6 @@ static int create_in_jack_mode(struct hda_codec *codec, hda_nid_t pin)
  * Parse input paths
  */
 
-#ifdef CONFIG_PM
 /* add the powersave loopback-list entry */
 static void add_loopback_list(struct hda_gen_spec *spec, hda_nid_t mix, int idx)
 {
@@ -2498,9 +2497,6 @@ static void add_loopback_list(struct hda_gen_spec *spec, hda_nid_t mix, int idx)
 	spec->num_loopbacks++;
 	spec->loopback.amplist = spec->loopback_list;
 }
-#else
-#define add_loopback_list(spec, mix, idx) /* NOP */
-#endif
 
 /* create input playback/capture controls for the given pin */
 static int new_analog_input(struct hda_codec *codec, int input_idx,

sound/pci/hda/hda_generic.h

@@ -226,11 +226,10 @@ struct hda_gen_spec {
 	hda_nid_t vmaster_nid;
 	unsigned int vmaster_tlv[4];
 	struct hda_vmaster_mute_hook vmaster_mute;
-#ifdef CONFIG_PM
+
 	struct hda_loopback_check loopback;
 	int num_loopbacks;
 	struct hda_amp_list loopback_list[8];
-#endif
 
 	/* multi-io */
 	int multi_ios;