Changeset 5817

Timestamp:

01/18/10 17:19:15 (3 years ago)

Author:

khali

Message:

Add detection for Analog Devices ADT7411.

Location:

lm-sensors/trunk

Files:

• CHANGES (modified) (1 diff)
• prog/detect/sensors-detect (modified) (2 diffs)

lm-sensors/trunk/CHANGES

@@ -43 +43 @@
                   Add detection for VIA Nano
                   Add detection for Texas Instruments AMC6821
+                  Add detection for Analog Devices ADT7411
   sysconfig-lm_sensors-convert: Fix exit code
 

lm-sensors/trunk/prog/detect/sensors-detect

@@ -588 +588 @@
                 i2c_detect => sub { adt7490_detect(@_); },
         }, {
+                name => "Analog Devices ADT7411",
+                driver => "to-be-written",
+                i2c_addrs => [0x48, 0x4a, 0x4b],
+                i2c_detect => sub { adt7411_detect(@_); },
+        }, {
                 name => "Andigilog aSC7511",
                 driver => "to-be-written",
@@ -4360 +4365 @@
         return if $mid != 0x41;                 # Analog Devices
         return if ($cid & 0xfc) != 0x6c;        # ADT7490
+        return 5;
+}
+
+# Registers used:
+#   0x4d: Device ID
+#   0x4e: Manufacturer ID
+#   0x4e: Silicon revision
+sub adt7411_detect
+{
+        my ($file, $addr) = @_;
+        my $dev_id = i2c_smbus_read_byte_data($file, 0x4d);
+        my $man_id = i2c_smbus_read_byte_data($file, 0x4e);
+        my $revision = i2c_smbus_read_byte_data($file, 0x4f);
+
+        return if $man_id != 0x41;              # Analog Devices
+        return if $dev_id != 0x02;              # ADT7411
+        # The datasheet suggests that the version is in the high nibble, but
+        # a dump from a real ADT7411 chip shows that it is in the low nibble.
+        return if ($revision & 0x0f) != 0x04;   # ADT7411
         return 5;
 }