From 29bea1e84351aaf7caa9184583dfa7ee5464fb5d Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Wed, 5 Sep 2007 12:28:31 +0000
Subject: [PATCH] Add support for the standard beep_enable attribute (#2248).

git-svn-id: http://lm-sensors.org/svn/lm-sensors/branches/lm-sensors-3.0.0@4766 7894878c-1315-0410-8ee3-d5d059ff63e0
---
 lib/access.c         |  6 ++++++
 lib/sensors.h        |  2 ++
 lib/sysfs.c          | 15 +++++++++++----
 prog/sensors/chips.c | 18 ++++++++++++++++++
 4 files changed, 37 insertions(+), 4 deletions(-)

diff --git a/lib/access.c b/lib/access.c
index 44eb5198..1c799f78 100644
--- a/lib/access.c
+++ b/lib/access.c
@@ -562,6 +562,12 @@ sensors_feature_type sensors_feature_get_type(const char *name, int *nr)
 	int i, count;
 	const struct feature_subtype_match *submatches;
 	
+	/* Special case */
+	if (!strcmp(name, "beep_enable")) {
+		*nr = 0;
+		return SENSORS_FEATURE_BEEP_ENABLE;
+	}
+
 	for (i = 0; i < ARRAY_SIZE(matches); i++)
 		if ((count = sscanf(name, matches[i].name, nr, &c)))
 			break;
diff --git a/lib/sensors.h b/lib/sensors.h
index 32cd7f4b..753d4fa4 100644
--- a/lib/sensors.h
+++ b/lib/sensors.h
@@ -154,6 +154,8 @@ typedef enum sensors_feature_type {
 
 	SENSORS_FEATURE_VID = 0x300,
 
+	SENSORS_FEATURE_BEEP_ENABLE = 0x1100,
+
 	SENSORS_FEATURE_UNKNOWN = INT_MAX,
 } sensors_feature_type;
 
diff --git a/lib/sysfs.c b/lib/sysfs.c
index d28039c8..10d69392 100644
--- a/lib/sysfs.c
+++ b/lib/sysfs.c
@@ -38,9 +38,10 @@ char sensors_sysfs_mount[NAME_MAX];
 
 #define MAX_SENSORS_PER_TYPE	20
 #define MAX_SUB_FEATURES	6
-/* Room for all 3 types (in, fan, temp) with all their subfeatures + VID */
+/* Room for all 3 types (in, fan, temp) with all their subfeatures + VID
+   + misc features */
 #define ALL_POSSIBLE_FEATURES	(MAX_SENSORS_PER_TYPE * MAX_SUB_FEATURES * 6 \
-				 + MAX_SENSORS_PER_TYPE)
+				 + MAX_SENSORS_PER_TYPE + 1)
 
 static
 int get_type_scaling(int type)
@@ -109,9 +110,15 @@ static int sensors_read_dynamic_chip(sensors_chip_features *chip,
 
 		/* "calculate" a place to store the feature in our sparse,
 		   sorted table */
-		if (type == SENSORS_FEATURE_VID) {
+		switch (type) {
+		case SENSORS_FEATURE_VID:
 			i = nr + MAX_SENSORS_PER_TYPE * MAX_SUB_FEATURES * 6;
-		} else {
+			break;
+		case SENSORS_FEATURE_BEEP_ENABLE:
+			i = MAX_SENSORS_PER_TYPE * MAX_SUB_FEATURES * 6 +
+			    MAX_SENSORS_PER_TYPE;
+			break;
+		default:
 			i = (type >> 8) * MAX_SENSORS_PER_TYPE *
 			    MAX_SUB_FEATURES * 2 + nr * MAX_SUB_FEATURES * 2 +
 			    ((type & 0x10) >> 4) * MAX_SUB_FEATURES +
diff --git a/prog/sensors/chips.c b/prog/sensors/chips.c
index 576cf1f2..bc9d512d 100644
--- a/prog/sensors/chips.c
+++ b/prog/sensors/chips.c
@@ -390,6 +390,20 @@ static void print_chip_vid(const sensors_chip_name *name, int f_vid,
 	free(label);
 }
 
+static void print_chip_beep_enable(const sensors_chip_name *name, int f_beep,
+				   int label_size)
+{
+	char *label;
+	double beep_enable;
+
+	if ((label = sensors_get_label(name, f_beep))
+	 && !sensors_get_value(name, f_beep, &beep_enable)) {
+		print_label(label, label_size);
+		printf("%s\n", beep_enable ? "enabled" : "disabled");
+	}
+	free(label);
+}
+
 void print_chip(const sensors_chip_name *name)
 {
 	const sensors_feature_data *feature;
@@ -415,6 +429,10 @@ void print_chip(const sensors_chip_name *name)
 		case SENSORS_FEATURE_VID:
 			print_chip_vid(name, feature->number, label_size);
 			break;
+		case SENSORS_FEATURE_BEEP_ENABLE:
+			print_chip_beep_enable(name, feature->number,
+					       label_size);
+			break;
 		default:
 			continue;
 		}