ALSA: hda - Keep char arrays in input_mux items

Keep char array in the input_mux item itself instead of pointing to
an external string.  This is a preliminary work for improving the
input-mux name based on the pin role.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_codec.c

@@ -4662,17 +4662,8 @@ const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
 };
 EXPORT_SYMBOL_HDA(auto_pin_cfg_labels);
 
-static const char *input_labels[AUTO_PIN_LAST][4] = {
-	{ "Mic", "Mic 2", "Mic 3", "Mic 4" },
-	{ "Front Mic", "Front Mic 2", "Front Mic 3", "Front Mic 4" },
-	{ "Line", "Line 2", "Line 3", "Line 4" },
-	{ "Front Line", "Front Line 2", "Front Line 3", "Front Line 4" },
-	{ "CD", "CD 2", "CD 3", "CD 4" },
-	{ "Aux", "Aux 2", "Aux 3", "Aux 4" },
-};
-
-const char *snd_hda_get_input_pin_label(const struct auto_pin_cfg *cfg,
-					int input)
+void snd_hda_get_input_pin_label(const struct auto_pin_cfg *cfg,
+				 int input, char *str)
 {
 	int type = cfg->inputs[input].type;
 	int idx;
@@ -4681,7 +4672,10 @@ const char *snd_hda_get_input_pin_label(const struct auto_pin_cfg *cfg,
 		if (type != cfg->inputs[input].type)
 			break;
 	}
-	return input_labels[type][idx];
+	if (idx > 0)
+		sprintf(str, "%s %d", auto_pin_cfg_labels[type], idx);
+	else
+		strcpy(str, auto_pin_cfg_labels[type]);
 }
 EXPORT_SYMBOL_HDA(snd_hda_get_input_pin_label);
 

sound/pci/hda/hda_generic.c

@@ -566,7 +566,7 @@ static int parse_adc_sub_nodes(struct hda_codec *codec, struct hda_gspec *spec,
 	}
 	label = spec->cap_labels[spec->input_mux.num_items];
 	strcpy(label, type);
-	spec->input_mux.items[spec->input_mux.num_items].label = label;
+	strcpy(spec->input_mux.items[spec->input_mux.num_items].label, label);
 
 	/* unmute the PIN external input */
 	unmute_input(codec, node, 0); /* index = 0? */

sound/pci/hda/hda_local.h

@@ -215,7 +215,7 @@ int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
  */
 #define HDA_MAX_NUM_INPUTS	16
 struct hda_input_mux_item {
-	const char *label;
+	char label[32];
 	unsigned int index;
 };
 struct hda_input_mux {
@@ -391,8 +391,8 @@ struct auto_pin_cfg_item {
 };
 
 struct auto_pin_cfg;
-const char *snd_hda_get_input_pin_label(const struct auto_pin_cfg *cfg,
-					int input);
+void snd_hda_get_input_pin_label(const struct auto_pin_cfg *cfg,
+				 int input, char *label);
 
 struct auto_pin_cfg {
 	int line_outs;

sound/pci/hda/patch_analog.c

@@ -2926,13 +2926,13 @@ static int ad1988_auto_create_analog_input_ctls(struct ad198x_spec *spec,
 				       type <= AUTO_PIN_FRONT_MIC);
 		if (err < 0)
 			return err;
-		imux->items[imux->num_items].label =
-			snd_hda_get_input_pin_label(cfg, i);
+		snd_hda_get_input_pin_label(cfg, i,
+			imux->items[imux->num_items].label);
 		imux->items[imux->num_items].index =
 			ad1988_pin_to_adc_idx(cfg->inputs[i].pin);
 		imux->num_items++;
 	}
-	imux->items[imux->num_items].label = "Mix";
+	strcpy(imux->items[imux->num_items].label, "Mix");
 	imux->items[imux->num_items].index = 9;
 	imux->num_items++;
 

sound/pci/hda/patch_realtek.c

@@ -4974,8 +4974,8 @@ static int alc_auto_create_input_ctls(struct hda_codec *codec,
 		if (idx < 0 && cap2)
 			idx = get_connection_index(codec, cap2, pin);
 		if (idx >= 0) {
-			imux->items[imux->num_items].label =
-				snd_hda_get_input_pin_label(cfg, i);
+			snd_hda_get_input_pin_label(cfg, i,
+				imux->items[imux->num_items].label);
 			imux->items[imux->num_items].index = idx;
 			imux->num_items++;
 		}
@@ -10626,9 +10626,9 @@ static int alc_auto_add_mic_boost(struct hda_codec *codec)
 			break;
 		nid = cfg->inputs[i].pin;
 		if (get_wcaps(codec, nid) & AC_WCAP_IN_AMP) {
-			char label[32];
-			snprintf(label, sizeof(label), "%s Boost",
-				 snd_hda_get_input_pin_label(cfg, i));
+			char pinname[32], label[32];
+			snd_hda_get_input_pin_label(cfg, i, pinname);
+			snprintf(label, sizeof(label), "%s Boost", pinname);
 			err = add_control(spec, ALC_CTL_WIDGET_VOL, label, 0,
 				  HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_INPUT));
 			if (err < 0)

sound/pci/hda/patch_sigmatel.c

@@ -1116,7 +1116,7 @@ static int stac92xx_build_controls(struct hda_codec *codec)
 		struct hda_input_mux *smux = &spec->private_smux;
 		/* check for mute support on SPDIF out */
 		if (wcaps & AC_WCAP_OUT_AMP) {
-			smux->items[smux->num_items].label = "Off";
+			strcpy(smux->items[smux->num_items].label, "Off");
 			smux->items[smux->num_items].index = 0;
 			smux->num_items++;
 			spec->spdif_mute = 1;
@@ -3274,8 +3274,8 @@ static int stac92xx_auto_create_mono_output_ctls(struct hda_codec *codec)
 		return -EINVAL;
 
 	for (i = 0; i < num_cons; i++) {
-		mono_mux->items[mono_mux->num_items].label =
-					stac92xx_mono_labels[i];
+		strcpy(mono_mux->items[mono_mux->num_items].label,
+		       stac92xx_mono_labels[i]);
 		mono_mux->items[mono_mux->num_items].index = i;
 		mono_mux->num_items++;
 	}
@@ -3404,7 +3404,7 @@ static int stac92xx_auto_create_spdif_mux_ctls(struct hda_codec *codec)
 		labels = stac92xx_spdif_labels;
 
 	for (i = 0; i < num_cons; i++) {
-		spdif_mux->items[spdif_mux->num_items].label = labels[i];
+		strcpy(spdif_mux->items[spdif_mux->num_items].label, labels[i]);
 		spdif_mux->items[spdif_mux->num_items].index = i;
 		spdif_mux->num_items++;
 	}
@@ -3538,7 +3538,7 @@ static int stac92xx_auto_create_dmic_input_ctls(struct hda_codec *codec,
 	int err, i;
 	unsigned int def_conf;
 
-	dimux->items[dimux->num_items].label = stac92xx_dmic_labels[0];
+	strcpy(dimux->items[dimux->num_items].label, stac92xx_dmic_labels[0]);
 	dimux->items[dimux->num_items].index = 0;
 	dimux->num_items++;
 
@@ -3572,11 +3572,11 @@ static int stac92xx_auto_create_dmic_input_ctls(struct hda_codec *codec,
 				return err;
 		}
 
-		dimux->items[dimux->num_items].label = label;
+		strcpy(dimux->items[dimux->num_items].label, label);
 		dimux->items[dimux->num_items].index = index;
 		dimux->num_items++;
 		if (snd_hda_get_bool_hint(codec, "separate_dmux") != 1) {
-			imux->items[imux->num_items].label = label;
+			strcpy(imux->items[imux->num_items].label, label);
 			imux->items[imux->num_items].index = index;
 			imux->num_items++;
 		}
@@ -3713,7 +3713,7 @@ static int stac92xx_auto_create_analog_input_ctls(struct hda_codec *codec, const
 		if (err < 0)
 			return err;
 
-		imux->items[imux->num_items].label = label;
+		strcpy(imux->items[imux->num_items].label, label);
 		imux->items[imux->num_items].index = index;
 		imux->num_items++;
 	}

sound/pci/hda/patch_via.c

@@ -2376,7 +2376,7 @@ static void create_hp_imux(struct via_spec *spec)
 	/* for hp mode select */
 	i = 0;
 	while (texts[i] != NULL) {
-		imux->items[imux->num_items].label =  texts[i];
+		strcpy(imux->items[imux->num_items].label, texts[i]);
 		imux->items[imux->num_items].index = i;
 		imux->num_items++;
 		i++;
@@ -2423,7 +2423,8 @@ static int vt_auto_create_analog_input_ctls(struct via_spec *spec,
 	/* for internal loopback recording select */
 	for (idx = 0; idx < num_idxs; idx++) {
 		if (pin_idxs[idx] == 0xff) {
-			imux->items[imux->num_items].label = "Stereo Mixer";
+			strcpy(imux->items[imux->num_items].label,
+			       "Stereo Mixer");
 			imux->items[imux->num_items].index = idx;
 			imux->num_items++;
 			break;
@@ -2445,8 +2446,8 @@ static int vt_auto_create_analog_input_ctls(struct via_spec *spec,
 					   type_idx, idx, cap_nid);
 		if (err < 0)
 			return err;
-		imux->items[imux->num_items].label =
-			snd_hda_get_input_pin_label(cfg, i);
+		snd_hda_get_input_pin_label(cfg, i,
+			imux->items[imux->num_items].label);
 		imux->items[imux->num_items].index = idx;
 		imux->num_items++;
 	}
@@ -4336,7 +4337,7 @@ static int vt1702_auto_create_hp_ctls(struct via_spec *spec, hda_nid_t pin)
 	/* for hp mode select */
 	i = 0;
 	while (texts[i] != NULL)	{
-		imux->items[imux->num_items].label =  texts[i];
+		strcpy(imux->items[imux->num_items].label, texts[i]);
 		imux->items[imux->num_items].index = i;
 		imux->num_items++;
 		i++;
@@ -5520,7 +5521,7 @@ static int vt2002P_auto_create_analog_input_ctls(struct via_spec *spec,
 		return err;
 
 	/* for digital mic select */
-	imux->items[imux->num_items].label = "Digital Mic";
+	strcpy(imux->items[imux->num_items].label, "Digital Mic");
 	imux->items[imux->num_items].index = 4;
 	imux->num_items++;
 
@@ -5843,7 +5844,7 @@ static int vt1812_auto_create_analog_input_ctls(struct via_spec *spec,
 		return err;
 
 	/* for digital mic select */
-	imux->items[imux->num_items].label = "Digital Mic";
+	strcpy(imux->items[imux->num_items].label, "Digital Mic");
 	imux->items[imux->num_items].index = 6;
 	imux->num_items++;