diff --git a/doc/libsensors-API.txt b/doc/libsensors-API.txt
index 06e38606..329d5461 100644
--- a/doc/libsensors-API.txt
+++ b/doc/libsensors-API.txt
@@ -7,6 +7,8 @@ authors can quickly figure out how to test for the availability of a
 given new feature.
 
 0x402	lm-sensors SVN
+* Added bus type "acpi":
+  #define SENSORS_BUS_TYPE_ACPI
 * Added support for instantaneous power sensors
   enum sensors_subfeature_type SENSORS_SUBFEATURE_POWER_INPUT
   enum sensors_subfeature_type SENSORS_SUBFEATURE_POWER_INPUT_HIGHEST
diff --git a/lib/access.c b/lib/access.c
index 231d5355..78503360 100644
--- a/lib/access.c
+++ b/lib/access.c
@@ -362,6 +362,8 @@ const char *sensors_get_adapter_name(const sensors_bus_id *bus)
 		return "SPI adapter";
 	case SENSORS_BUS_TYPE_VIRTUAL:
 		return "Virtual device";
+	case SENSORS_BUS_TYPE_ACPI:
+		return "ACPI interface";
 	}
 
 	/* bus types with several instances */
diff --git a/lib/data.c b/lib/data.c
index 6b6203e8..df58242d 100644
--- a/lib/data.c
+++ b/lib/data.c
@@ -109,6 +109,8 @@ int sensors_parse_chip_name(const char *name, sensors_chip_name *res)
 		res->bus.type = SENSORS_BUS_TYPE_SPI;
 	else if (!strncmp(name, "virtual", dash - name))
 		res->bus.type = SENSORS_BUS_TYPE_VIRTUAL;
+	else if (!strncmp(name, "acpi", dash - name))
+		res->bus.type = SENSORS_BUS_TYPE_ACPI;
 	else
 		goto ERROR;
 	name = dash + 1;
@@ -172,6 +174,9 @@ int sensors_snprintf_chip_name(char *str, size_t size,
 	case SENSORS_BUS_TYPE_VIRTUAL:
 		return snprintf(str, size, "%s-virtual-%x", chip->prefix,
 				chip->addr);
+	case SENSORS_BUS_TYPE_ACPI:
+		return snprintf(str, size, "%s-acpi-%x", chip->prefix,
+				chip->addr);
 	}
 
 	return -SENSORS_ERR_CHIP_NAME;
diff --git a/lib/sensors.h b/lib/sensors.h
index e770fa99..04236abe 100644
--- a/lib/sensors.h
+++ b/lib/sensors.h
@@ -42,6 +42,7 @@
 #define SENSORS_BUS_TYPE_PCI		2
 #define SENSORS_BUS_TYPE_SPI		3
 #define SENSORS_BUS_TYPE_VIRTUAL	4
+#define SENSORS_BUS_TYPE_ACPI		5
 #define SENSORS_BUS_NR_ANY		(-1)
 #define SENSORS_BUS_NR_IGNORE		(-2)
 
diff --git a/lib/sysfs.c b/lib/sysfs.c
index de578694..7f805a80 100644
--- a/lib/sysfs.c
+++ b/lib/sysfs.c
@@ -596,6 +596,11 @@ static int sensors_read_one_sysfs_chip(const char *dev_path,
 			entry.chip.addr = 0;
 		entry.chip.bus.type = SENSORS_BUS_TYPE_ISA;
 		entry.chip.bus.nr = 0;
+	} else if (subsys && !strcmp(subsys, "acpi")) {
+		entry.chip.bus.type = SENSORS_BUS_TYPE_ACPI;
+		/* For now we assume that acpi devices are unique */
+		entry.chip.bus.nr = 0;
+		entry.chip.addr = 0;
 	} else {
 		/* Ignore unknown device */
 		err = 0;