[ALSA] hda-codec - Print all AMP IN values

HDA generic driver
Print all AMP IN values when multiple nodes are connected.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_proc.c

@@ -68,21 +68,27 @@ static void print_amp_caps(snd_info_buffer_t *buffer,
 
 static void print_amp_vals(snd_info_buffer_t *buffer,
 			   struct hda_codec *codec, hda_nid_t nid,
-			   int dir, int stereo)
+			   int dir, int stereo, int indices)
 {
 	unsigned int val;
-	if (stereo) {
+	int i;
+
+	if (dir == HDA_OUTPUT)
+		dir = AC_AMP_GET_OUTPUT;
+	else
+		dir = AC_AMP_GET_INPUT;
+	for (i = 0; i < indices; i++) {
+		snd_iprintf(buffer, " [");
+		if (stereo) {
+			val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
+						 AC_AMP_GET_LEFT | dir | i);
+			snd_iprintf(buffer, "0x%02x ", val);
+		}
 		val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
-					  AC_AMP_GET_LEFT |
-					 (dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT :
-					  AC_AMP_GET_INPUT));
-		snd_iprintf(buffer, "0x%02x ", val);
+					 AC_AMP_GET_RIGHT | dir | i);
+		snd_iprintf(buffer, "0x%02x]", val);
 	}
-	val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
-				 AC_AMP_GET_RIGHT |
-				 (dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT :
-				  AC_AMP_GET_INPUT));
-	snd_iprintf(buffer, "0x%02x\n", val);
+	snd_iprintf(buffer, "\n");
 }
 
 static void print_pcm_caps(snd_info_buffer_t *buffer,
@@ -217,6 +223,9 @@ static void print_codec_info(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
 		unsigned int wid_caps = snd_hda_param_read(codec, nid,
 							   AC_PAR_AUDIO_WIDGET_CAP);
 		unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
+		int conn_len = 0; 
+		hda_nid_t conn[HDA_MAX_CONNECTIONS];
+
 		snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 			    get_wid_type_name(wid_type), wid_caps);
 		if (wid_caps & AC_WCAP_STEREO)
@@ -231,19 +240,23 @@ static void print_codec_info(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
 			snd_iprintf(buffer, " Amp-Out");
 		snd_iprintf(buffer, "\n");
 
+		if (wid_caps & AC_WCAP_CONN_LIST)
+			conn_len = snd_hda_get_connections(codec, nid, conn,
+							   HDA_MAX_CONNECTIONS);
+
 		if (wid_caps & AC_WCAP_IN_AMP) {
 			snd_iprintf(buffer, "  Amp-In caps: ");
 			print_amp_caps(buffer, codec, nid, HDA_INPUT);
 			snd_iprintf(buffer, "  Amp-In vals: ");
 			print_amp_vals(buffer, codec, nid, HDA_INPUT,
-				       wid_caps & AC_WCAP_STEREO);
+				       wid_caps & AC_WCAP_STEREO, conn_len);
 		}
 		if (wid_caps & AC_WCAP_OUT_AMP) {
 			snd_iprintf(buffer, "  Amp-Out caps: ");
 			print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 			snd_iprintf(buffer, "  Amp-Out vals: ");
 			print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
-				       wid_caps & AC_WCAP_STEREO);
+				       wid_caps & AC_WCAP_STEREO, 1);
 		}
 
 		if (wid_type == AC_WID_PIN) {
@@ -267,10 +280,7 @@ static void print_codec_info(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
 		}
 
 		if (wid_caps & AC_WCAP_CONN_LIST) {
-			hda_nid_t conn[HDA_MAX_CONNECTIONS];
-			int c, conn_len, curr = -1;
-			conn_len = snd_hda_get_connections(codec, nid, conn,
-							   HDA_MAX_CONNECTIONS);
+			int c, curr = -1;
 			if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
 				curr = snd_hda_codec_read(codec, nid, 0,
 					AC_VERB_GET_CONNECT_SEL, 0);