ALSA: hda - Add codec-specific proc hook

Added a hook for proc outputs of codec-specific stuff.

Moved realtek-specific coeff output into patch_realtek.c as well.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_codec.h

@@ -784,6 +784,10 @@ struct hda_codec {
 	int power_count;	/* current (global) power refcount */
 	struct delayed_work power_work; /* delayed task for powerdown */
 #endif
+
+	/* codec-specific additional proc output */
+	void (*proc_widget_hook)(struct snd_info_buffer *buffer,
+				 struct hda_codec *codec, hda_nid_t nid);
 };
 
 /* direction */

sound/pci/hda/hda_proc.c

@@ -414,17 +414,6 @@ static void print_conn_list(struct snd_info_buffer *buffer,
 	}
 }
 
-static void print_realtek_coef(struct snd_info_buffer *buffer,
-			       struct hda_codec *codec, hda_nid_t nid)
-{
-	int coeff = snd_hda_codec_read(codec, nid, 0,
-				       AC_VERB_GET_PROC_COEF, 0);
-	snd_iprintf(buffer, "  Processing Coefficient: 0x%02x\n", coeff);
-	coeff = snd_hda_codec_read(codec, nid, 0,
-				   AC_VERB_GET_COEF_INDEX, 0);
-	snd_iprintf(buffer, "  Coefficient Index: 0x%02x\n", coeff);
-}
-
 static void print_gpio(struct snd_info_buffer *buffer,
 		       struct hda_codec *codec, hda_nid_t nid)
 {
@@ -606,9 +595,8 @@ static void print_codec_info(struct snd_info_entry *entry,
 		if (wid_caps & AC_WCAP_PROC_WID)
 			print_proc_caps(buffer, codec, nid);
 
-		/* NID 0x20 == Realtek Define Registers */
-		if (codec->vendor_id == 0x10ec && nid == 0x20)
-			print_realtek_coef(buffer, codec, nid);
+		if (codec->proc_widget_hook)
+			codec->proc_widget_hook(buffer, codec, nid);
 	}
 	snd_hda_power_down(codec);
 }

sound/pci/hda/patch_realtek.c

@@ -766,6 +766,27 @@ static void add_verb(struct alc_spec *spec, const struct hda_verb *verb)
 	spec->init_verbs[spec->num_init_verbs++] = verb;
 }
 
+#ifdef CONFIG_PROC_FS
+/*
+ * hook for proc
+ */
+static void print_realtek_coef(struct snd_info_buffer *buffer,
+			       struct hda_codec *codec, hda_nid_t nid)
+{
+	int coeff;
+
+	if (nid != 0x20)
+		return;
+	coeff = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PROC_COEF, 0);
+	snd_iprintf(buffer, "  Processing Coefficient: 0x%02x\n", coeff);
+	coeff = snd_hda_codec_read(codec, nid, 0,
+				   AC_VERB_GET_COEF_INDEX, 0);
+	snd_iprintf(buffer, "  Coefficient Index: 0x%02x\n", coeff);
+}
+#else
+#define print_realtek_coef	NULL
+#endif
+
 /*
  * set up from the preset table
  */
@@ -4344,6 +4365,7 @@ static int patch_alc880(struct hda_codec *codec)
 	if (!spec->loopback.amplist)
 		spec->loopback.amplist = alc880_loopbacks;
 #endif
+	codec->proc_widget_hook = print_realtek_coef;
 
 	return 0;
 }
@@ -5869,6 +5891,7 @@ static int patch_alc260(struct hda_codec *codec)
 	if (!spec->loopback.amplist)
 		spec->loopback.amplist = alc260_loopbacks;
 #endif
+	codec->proc_widget_hook = print_realtek_coef;
 
 	return 0;
 }
@@ -7074,6 +7097,7 @@ static int patch_alc882(struct hda_codec *codec)
 	if (!spec->loopback.amplist)
 		spec->loopback.amplist = alc882_loopbacks;
 #endif
+	codec->proc_widget_hook = print_realtek_coef;
 
 	return 0;
 }
@@ -9042,6 +9066,7 @@ static int patch_alc883(struct hda_codec *codec)
 	if (!spec->loopback.amplist)
 		spec->loopback.amplist = alc883_loopbacks;
 #endif
+	codec->proc_widget_hook = print_realtek_coef;
 
 	return 0;
 }
@@ -10848,6 +10873,7 @@ static int patch_alc262(struct hda_codec *codec)
 	if (!spec->loopback.amplist)
 		spec->loopback.amplist = alc262_loopbacks;
 #endif
+	codec->proc_widget_hook = print_realtek_coef;
 
 	return 0;
 }
@@ -11913,6 +11939,8 @@ static int patch_alc268(struct hda_codec *codec)
 	if (board_config == ALC268_AUTO)
 		spec->init_hook = alc268_auto_init;
 
+	codec->proc_widget_hook = print_realtek_coef;
+
 	return 0;
 }
 
@@ -12714,6 +12742,7 @@ static int patch_alc269(struct hda_codec *codec)
 	if (!spec->loopback.amplist)
 		spec->loopback.amplist = alc269_loopbacks;
 #endif
+	codec->proc_widget_hook = print_realtek_coef;
 
 	return 0;
 }
@@ -13802,6 +13831,7 @@ static int patch_alc861(struct hda_codec *codec)
 	if (!spec->loopback.amplist)
 		spec->loopback.amplist = alc861_loopbacks;
 #endif
+	codec->proc_widget_hook = print_realtek_coef;
 
 	return 0;
 }
@@ -14763,6 +14793,7 @@ static int patch_alc861vd(struct hda_codec *codec)
 	if (!spec->loopback.amplist)
 		spec->loopback.amplist = alc861vd_loopbacks;
 #endif
+	codec->proc_widget_hook = print_realtek_coef;
 
 	return 0;
 }
@@ -16572,6 +16603,7 @@ static int patch_alc662(struct hda_codec *codec)
 	if (!spec->loopback.amplist)
 		spec->loopback.amplist = alc662_loopbacks;
 #endif
+	codec->proc_widget_hook = print_realtek_coef;
 
 	return 0;
 }