ALSA: hda/realtek - Remove unused fields and macro definitions

Also arranged alc_spec definitions to optimize bit fields.
Use a bit field for spec->need_dac_fix, too.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_realtek.c

@@ -73,8 +73,6 @@ struct alc_multi_io {
 	unsigned int ctl_in;	/* cached input-pin control value */
 };
 
-#define MAX_VOL_NIDS	0x40
-
 /* make compatible with old code */
 #define alc_apply_pincfgs	snd_hda_apply_pincfgs
 #define alc_apply_fixup		snd_hda_apply_fixup
@@ -161,7 +159,6 @@ struct alc_spec {
 	unsigned int cur_adc_format;
 
 	/* capture source */
-	unsigned int num_mux_defs;
 	struct hda_input_mux input_mux;
 	unsigned int cur_mux[3];
 	hda_nid_t ext_mic_pin;
@@ -171,7 +168,6 @@ struct alc_spec {
 	/* channel model */
 	const struct hda_channel_mode *channel_mode;
 	int num_channel_mode;
-	int need_dac_fix;
 	int const_channel_count;	/* min. channel count (for speakers) */
 	int ext_channel_count;		/* current channel count for multi-io */
 
@@ -218,19 +214,15 @@ struct alc_spec {
 	unsigned int keep_vref_in_automute:1; /* Don't clear VREF in automute */
 
 	/* other flags */
+	unsigned int need_dac_fix:1; /* need to limit DACs for multi channels */
 	unsigned int no_analog :1; /* digital I/O only */
 	unsigned int dyn_adc_switch:1; /* switch ADCs (for ALC275) */
-	unsigned int single_input_src:1;
-	unsigned int vol_in_capsrc:1; /* use capsrc volume (ADC has no vol) */
-	unsigned int parse_flags; /* passed to snd_hda_parse_pin_defcfg() */
 	unsigned int shared_mic_hp:1; /* HP/Mic-in sharing */
 	unsigned int inv_dmic_fixup:1; /* has inverted digital-mic workaround */
 	unsigned int inv_dmic_muted:1; /* R-ch of inv d-mic is muted? */
 	unsigned int no_primary_hp:1; /* Don't prefer HP pins to speaker pins */
 
-	/* auto-mute control */
-	int automute_mode;
-	hda_nid_t automute_mixer_nid[AUTO_CFG_MAX_OUTS];
+	unsigned int parse_flags; /* passed to snd_hda_parse_pin_defcfg() */
 
 	int init_amp;
 	int codec_variant;	/* flag for other variants */
@@ -612,9 +604,6 @@ static void alc_line_automute(struct hda_codec *codec, struct hda_jack_tbl *jack
 	call_update_outputs(codec);
 }
 
-#define get_connection_index(codec, mux, nid) \
-	snd_hda_get_conn_index(codec, mux, nid, 0)
-
 /* standard mic auto-switch helper */
 static void alc_mic_automute(struct hda_codec *codec, struct hda_jack_tbl *jack)
 {
@@ -1619,8 +1608,6 @@ static const char * const alc_slave_pfxs[] = {
  * build control elements
  */
 
-#define NID_MAPPING		(-1)
-
 static void alc_free_kctls(struct hda_codec *codec);
 
 #ifdef CONFIG_SND_HDA_INPUT_BEEP