Index: prog/detect/sensors-detect
===================================================================
--- prog/detect/sensors-detect (revision 5906)
+++ prog/detect/sensors-detect (working copy)
@@ -828,6 +828,11 @@
i2c_addrs => [0x18..0x1a, 0x29..0x2b, 0x4c..0x4e],
i2c_detect => sub { max1668_detect(@_, 2); },
}, {
+ name => "Maxim MAX6639",
+ driver => "max6639",
+ i2c_addrs => [0x2c, 0x2e, 0x2f],
+ i2c_detect => sub { max6639_detect(@_); },
+ }, {
name => "Maxim MAX6650/MAX6651",
driver => "max6650",
i2c_addrs => [0x1b, 0x1f, 0x48, 0x4b],
@@ -5446,6 +5451,27 @@
return @res;
}
+# Chip to detect: MAX6639
+# Registers used:
+# 0x3d: Device ID
+# 0x3e: Manufacturer ID
+# 0x3f: Chip revision
+sub max6639_detect
+{
+ my ($file, $addr) = @_;
+ my ($man_id, $dev_id, $rev);
+
+ $dev_id = i2c_smbus_read_byte_data($file, 0x3d);
+ $man_id = i2c_smbus_read_byte_data($file, 0x3e);
+ $rev = i2c_smbus_read_byte_data($file, 0x3f);
+
+ return unless $man_id == 0x4d; # Maxim
+ return unless $dev_id == 0x58; # MAX6639
+ return unless $rev == 0x00;
+
+ return 6;
+}
+
# The max6650 has no device ID register. However, a few registers have
# spare bits, which are documented as being always zero on read. We read
# all of these registers check the spare bits. Any non-zero means this
Index: CHANGES
===================================================================
--- CHANGES (revision 5906)
+++ CHANGES (working copy)
@@ -19,6 +19,7 @@
Add detection of the National Semiconductor LM94
Add detection of the ITE IT8728F
Implement universal detection for coretemp (#2381)
+ Add detection of Maxim MAX6639
3.2.0 (2010-10-10)
libsensors: Increase MAX_SENSORS_PER_TYPE to 24
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