sensors-detect: EMC14xx chip updates

Document support for EMC1402, EMC1404, and EMC1424
Detect new revisions of EMC14xx
Add detection of EMC1422

CHANGES

@@ -20,6 +20,9 @@ SVN HEAD
                   Add reference to nct6683 driver
                   Show that NCT6102D/6104D/6106D are supported by nct6775 driver
                   Show NCT5573D as compatible to NCT6776F with same chip ID
+                  Document support for EMC1402, EMC1404, and EMC1424
+                  Detect new revisions of EMC14xx
+                  Add detection of EMC1422
 
 3.3.5 "Happy Birthday Beddy" (2014-01-22)
   libsensors: Improve documentation of two functions

prog/detect/sensors-detect

@@ -1366,7 +1366,7 @@ use vars qw(@i2c_adapter_names);
 		i2c_detect => sub { emc1403_detect(@_, 10); },
 	}, {
 		name => "SMSC EMC1402",
-		driver => "to-be-written",
+		driver => "emc1403",
 		i2c_addrs => [0x18, 0x29, 0x4c, 0x4d],
 		i2c_detect => sub { emc1403_detect(@_, 11); },
 	}, {
@@ -1376,9 +1376,14 @@ use vars qw(@i2c_adapter_names);
 		i2c_detect => sub { emc1403_detect(@_, 0); },
 	}, {
 		name => "SMSC EMC1404",
-		driver => "to-be-written", # emc1403
+		driver => "emc1403",
 		i2c_addrs => [0x18, 0x29, 0x4c, 0x4d],
 		i2c_detect => sub { emc1403_detect(@_, 1); },
+	}, {
+		name => "SMSC EMC1422",
+		driver => "emc1403",
+		i2c_addrs => [0x4c],
+		i2c_detect => sub { emc1403_detect(@_, 14); },
 	}, {
 		name => "SMSC EMC1423",
 		driver => "emc1403",
@@ -1386,7 +1391,7 @@ use vars qw(@i2c_adapter_names);
 		i2c_detect => sub { emc1403_detect(@_, 3); },
 	}, {
 		name => "SMSC EMC1424",
-		driver => "to-be-written",
+		driver => "emc1403",
 		i2c_addrs => [0x4c],
 		i2c_detect => sub { emc1403_detect(@_, 12); },
 	}, {
@@ -6117,7 +6122,7 @@ sub emc1023_detect
 # Chip to detect: 0 = EMC1403, 1 = EMC1404, 2 = EMC2103, 3 = EMC1423,
 #	4 = EMC1002, 5 = EMC1033, 6 = EMC1046, 7 = EMC1047, 8 = EMC1072,
 #	9 = EMC1073, 10 = EMC1074, 11 = EMC1402, 12 = EMC1424,
-#	13 = EMC2104
+#	13 = EMC2104, 14 = EMC1422
 # Registers used:
 #   0xfd: Device ID register
 #   0xfe: Vendor ID register
@@ -6133,16 +6138,16 @@ sub emc1403_detect
 
 	if ($chip == 0) {		# EMC1403
 		return unless $dev_id == 0x21;
-		return unless $rev == 0x01;
+		return unless $rev == 0x01 || $rev == 0x04;
 	} elsif ($chip == 1) {		# EMC1404
 		return unless $dev_id == 0x25;
-		return unless $rev == 0x01;
+		return unless $rev == 0x01 || $rev == 0x04;
 	} elsif ($chip == 2) {		# EMC2103
 		return unless ($dev_id == 0x24) || ($dev_id == 0x26);
 		return unless $rev == 0x01;
 	} elsif ($chip == 3) {		# EMC1423
 		return unless $dev_id == 0x23;
-		return unless $rev == 0x01;
+		return unless $rev == 0x01 || $rev == 0x04;
 	} elsif ($chip == 4) {		# EMC1002
 		return unless ($dev_id == 0x02) || ($dev_id == 0x03);
 		return unless $rev == 0x01;
@@ -6166,13 +6171,16 @@ sub emc1403_detect
 		return unless $rev == 0x03;
 	} elsif ($chip == 11) {		# EMC1402
 		return unless $dev_id == 0x20;
-		return unless $rev == 0x01;
+		return unless $rev == 0x01 || $rev == 0x04;
 	} elsif ($chip == 12) {		# EMC1424
 		return unless $dev_id == 0x27;
-		return unless $rev == 0x01;
+		return unless $rev == 0x01 || $rev == 0x04;
 	} elsif ($chip == 13) {		# EMC2104
 		return unless $dev_id == 0x1d;
 		return unless $rev == 0x02;
+	} elsif ($chip == 14) {		# EMC1422
+		return unless $dev_id == 0x22;
+		return unless $rev == 0x01 || $rev == 0x04;
 	}
 
 	return 6;