ALSA: hda - Make snd_hda_get_input_pin_attr() helper

Make the helper function to give the input-pin attribute for jack
connectivity and location.  This simplifies checks of input-pin jacks
a bit in some places.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_codec.c

@@ -4637,44 +4637,26 @@ int snd_hda_parse_pin_def_config(struct hda_codec *codec,
 }
 EXPORT_SYMBOL_HDA(snd_hda_parse_pin_def_config);
 
-enum {
-	MIC_ATTR_INT,
-	MIC_ATTR_DOCK,
-	MIC_ATTR_NORMAL,
-	MIC_ATTR_FRONT,
-	MIC_ATTR_REAR,
-};
-
-static int get_mic_pin_attr(unsigned int def_conf)
+int snd_hda_get_input_pin_attr(unsigned int def_conf)
 {
 	unsigned int loc = get_defcfg_location(def_conf);
 	unsigned int conn = get_defcfg_connect(def_conf);
+	if (conn == AC_JACK_PORT_NONE)
+		return INPUT_PIN_ATTR_UNUSED;
 	/* Windows may claim the internal mic to be BOTH, too */
 	if (conn == AC_JACK_PORT_FIXED || conn == AC_JACK_PORT_BOTH)
-		return MIC_ATTR_INT;
+		return INPUT_PIN_ATTR_INT;
 	if ((loc & 0x30) == AC_JACK_LOC_INTERNAL)
-		return MIC_ATTR_INT;
+		return INPUT_PIN_ATTR_INT;
 	if ((loc & 0x30) == AC_JACK_LOC_SEPARATE)
-		return MIC_ATTR_DOCK;
+		return INPUT_PIN_ATTR_DOCK;
 	if (loc == AC_JACK_LOC_REAR)
-		return MIC_ATTR_REAR;
+		return INPUT_PIN_ATTR_REAR;
 	if (loc == AC_JACK_LOC_FRONT)
-		return MIC_ATTR_FRONT;
-	return MIC_ATTR_NORMAL;
-}
-
-enum {
-	LINE_ATTR_DOCK,
-	LINE_ATTR_NORMAL,
-};
-
-static int get_line_pin_attr(unsigned int def_conf)
-{
-	unsigned int loc = get_defcfg_location(def_conf);
-	if ((loc & 0xf0) == AC_JACK_LOC_SEPARATE)
-		return LINE_ATTR_DOCK;
-	return LINE_ATTR_NORMAL;
+		return INPUT_PIN_ATTR_FRONT;
+	return INPUT_PIN_ATTR_NORMAL;
 }
+EXPORT_SYMBOL_HDA(snd_hda_get_input_pin_attr);
 
 /**
  * hda_get_input_pin_label - Give a label for the given input pin
@@ -4691,9 +4673,7 @@ const char *hda_get_input_pin_label(struct hda_codec *codec, hda_nid_t pin,
 	static const char *mic_names[] = {
 		"Internal Mic", "Dock Mic", "Mic", "Front Mic", "Rear Mic",
 	};
-	static const char *line_names[] = {
-		"Dock Line", "Line",
-	};
+	int attr;
 
 	def_conf = snd_hda_codec_get_pincfg(codec, pin);
 
@@ -4701,11 +4681,19 @@ const char *hda_get_input_pin_label(struct hda_codec *codec, hda_nid_t pin,
 	case AC_JACK_MIC_IN:
 		if (!check_location)
 			return "Mic";
-		return mic_names[get_mic_pin_attr(def_conf)];
+		attr = snd_hda_get_input_pin_attr(def_conf);
+		if (!attr)
+			return "None";
+		return mic_names[attr - 1];
 	case AC_JACK_LINE_IN:
 		if (!check_location)
 			return "Line";
-		return line_names[get_line_pin_attr(def_conf)];
+		attr = snd_hda_get_input_pin_attr(def_conf);
+		if (!attr)
+			return "None";
+		if (attr == INPUT_PIN_ATTR_DOCK)
+			return "Dock Line";
+		return "Line";
 	case AC_JACK_AUX:
 		return "Aux";
 	case AC_JACK_CD:
@@ -4732,16 +4720,16 @@ static int check_mic_location_need(struct hda_codec *codec,
 	int i, attr, attr2;
 
 	defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin);
-	attr = get_mic_pin_attr(defc);
+	attr = snd_hda_get_input_pin_attr(defc);
 	/* for internal or docking mics, we need locations */
-	if (attr <= MIC_ATTR_NORMAL)
+	if (attr <= INPUT_PIN_ATTR_NORMAL)
 		return 1;
 
 	attr = 0;
 	for (i = 0; i < cfg->num_inputs; i++) {
 		defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin);
-		attr2 = get_mic_pin_attr(defc);
-		if (attr2 >= MIC_ATTR_NORMAL) {
+		attr2 = snd_hda_get_input_pin_attr(defc);
+		if (attr2 >= INPUT_PIN_ATTR_NORMAL) {
 			if (attr && attr != attr2)
 				return 1; /* different locations found */
 			attr = attr2;

sound/pci/hda/hda_local.h

@@ -395,6 +395,17 @@ const char *hda_get_autocfg_input_label(struct hda_codec *codec,
 int snd_hda_add_imux_item(struct hda_input_mux *imux, const char *label,
 			  int index, int *type_index_ret);
 
+enum {
+	INPUT_PIN_ATTR_UNUSED,	/* pin not connected */
+	INPUT_PIN_ATTR_INT,	/* internal mic/line-in */
+	INPUT_PIN_ATTR_DOCK,	/* docking mic/line-in */
+	INPUT_PIN_ATTR_NORMAL,	/* mic/line-in jack */
+	INPUT_PIN_ATTR_FRONT,	/* mic/line-in jack in front */
+	INPUT_PIN_ATTR_REAR,	/* mic/line-in jack in rear */
+};
+
+int snd_hda_get_input_pin_attr(unsigned int def_conf);
+
 struct auto_pin_cfg {
 	int line_outs;
 	/* sorted in the order of Front/Surr/CLFE/Side */

sound/pci/hda/patch_cirrus.c

@@ -334,7 +334,7 @@ static int is_ext_mic(struct hda_codec *codec, unsigned int idx)
 	if (!(val & AC_PINCAP_PRES_DETECT))
 		return 0;
 	val = snd_hda_codec_get_pincfg(codec, pin);
-	return (get_defcfg_connect(val) == AC_JACK_PORT_COMPLEX);
+	return (snd_hda_get_input_pin_attr(val) != INPUT_PIN_ATTR_INT);
 }
 
 static hda_nid_t get_adc(struct hda_codec *codec, hda_nid_t pin,

sound/pci/hda/patch_conexant.c

@@ -3462,19 +3462,12 @@ static void cx_auto_unsol_event(struct hda_codec *codec, unsigned int res)
 	}
 }
 
-static int is_int_mic_conn(unsigned int def_conf)
-{
-	unsigned int loc = get_defcfg_location(def_conf);
-	return get_defcfg_connect(def_conf) == AC_JACK_PORT_FIXED ||
-		(loc & 0x30) == AC_JACK_LOC_INTERNAL;
-}
-
 /* return true if it's an internal-mic pin */
 static int is_int_mic(struct hda_codec *codec, hda_nid_t pin)
 {
 	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, pin);
 	return get_defcfg_device(def_conf) == AC_JACK_MIC_IN &&
-		is_int_mic_conn(def_conf);
+		snd_hda_get_input_pin_attr(def_conf) == INPUT_PIN_ATTR_INT;
 }
 
 /* return true if it's an external-mic pin */
@@ -3482,7 +3475,7 @@ static int is_ext_mic(struct hda_codec *codec, hda_nid_t pin)
 {
 	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, pin);
 	return get_defcfg_device(def_conf) == AC_JACK_MIC_IN &&
-		!is_int_mic_conn(def_conf);
+		snd_hda_get_input_pin_attr(def_conf) != INPUT_PIN_ATTR_INT;
 }
 
 /* check whether the pin config is suitable for auto-mic switching;

sound/pci/hda/patch_realtek.c

@@ -1403,19 +1403,19 @@ static void alc_init_auto_mic(struct hda_codec *codec)
 		hda_nid_t nid = cfg->inputs[i].pin;
 		unsigned int defcfg;
 		defcfg = snd_hda_codec_get_pincfg(codec, nid);
-		switch (get_defcfg_connect(defcfg)) {
-		case AC_JACK_PORT_FIXED:
+		switch (snd_hda_get_input_pin_attr(defcfg)) {
+		case INPUT_PIN_ATTR_INT:
 			if (fixed)
 				return; /* already occupied */
 			fixed = nid;
 			break;
-		case AC_JACK_PORT_COMPLEX:
+		case INPUT_PIN_ATTR_UNUSED:
+			return; /* invalid entry */
+		default:
 			if (ext)
 				return; /* already occupied */
 			ext = nid;
 			break;
-		default:
-			return; /* invalid entry */
 		}
 	}
 	if (!ext || !fixed)

sound/pci/hda/patch_sigmatel.c

@@ -2778,7 +2778,7 @@ static inline int stac92xx_add_jack_mode_control(struct hda_codec *codec,
 	struct sigmatel_spec *spec = codec->spec;
 	char name[22];
 
-	if (!((get_defcfg_connect(def_conf)) & AC_JACK_PORT_FIXED)) {
+	if (snd_hda_get_input_pin_attr(def_conf) != INPUT_PIN_ATTR_INT) {
 		if (stac92xx_get_default_vref(codec, nid) == AC_PINCTL_VREF_GRD
 			&& nid == spec->line_switch)
 			control = STAC_CTL_WIDGET_IO_SWITCH;
@@ -2857,7 +2857,7 @@ static hda_nid_t check_mic_out_switch(struct hda_codec *codec, hda_nid_t *dac)
 		def_conf = snd_hda_codec_get_pincfg(codec, nid);
 		/* some laptops have an internal analog microphone
 		 * which can't be used as a output */
-		if (get_defcfg_connect(def_conf) != AC_JACK_PORT_FIXED) {
+		if (snd_hda_get_input_pin_attr(def_conf) != INPUT_PIN_ATTR_INT) {
 			pincap = snd_hda_query_pin_caps(codec, nid);
 			if (pincap & AC_PINCAP_OUT) {
 				*dac = get_unassigned_dac(codec, nid);
@@ -3496,23 +3496,23 @@ static int check_mic_pin(struct hda_codec *codec, hda_nid_t nid,
 	if (!nid)
 		return 0;
 	cfg = snd_hda_codec_get_pincfg(codec, nid);
-	switch (get_defcfg_connect(cfg)) {
-	case AC_JACK_PORT_BOTH:
-	case AC_JACK_PORT_FIXED:
+	switch (snd_hda_get_input_pin_attr(cfg)) {
+	case INPUT_PIN_ATTR_INT:
 		if (*fixed)
 			return 1; /* already occupied */
 		*fixed = nid;
 		break;
-	case AC_JACK_PORT_COMPLEX:
-		if ((get_defcfg_location(cfg) & 0xF0) == AC_JACK_LOC_SEPARATE) {
-			if (*dock)
-				return 1; /* already occupied */
-			*dock = nid;
-		} else {
-			if (*ext)
-				return 1; /* already occupied */
-			*ext = nid;
-		}
+	case INPUT_PIN_ATTR_UNUSED:
+		break;
+	case INPUT_PIN_ATTR_DOCK:
+		if (*dock)
+			return 1; /* already occupied */
+		*dock = nid;
+		break;
+	default:
+		if (*ext)
+			return 1; /* already occupied */
+		*ext = nid;
 		break;
 	}
 	return 0;