[lm-sensors] [PATCH] hwmon: smsc47m1 documentation update

Greg KH gregkh at suse.de
Fri Oct 28 23:07:44 CEST 2005

[PATCH] hwmon: smsc47m1 documentation update

The SMSC LPC47M997 Super-I/O chip seems to be compatible with the
LPC47M192, so it is supported by the smsc47m1 driver.

Signed-off-by: Jean Delvare <khali at linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh at suse.de>

commit b890a07f7b002ee473986fa85ae3582de399a4cf
tree d29b5a2d41d0a6ce7b5da57576cb876f53e29eac
parent 90209b42d0498d57a804bf81fea427bf39c5315c
author Jean Delvare <khali at linux-fr.org> Wed, 26 Oct 2005 22:21:24 +0200
committer Greg Kroah-Hartman <gregkh at suse.de> Fri, 28 Oct 2005 14:02:14 -0700

 Documentation/hwmon/smsc47m1 |    7 +++++++
 drivers/hwmon/smsc47m1.c     |    7 +++++--
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/Documentation/hwmon/smsc47m1 b/Documentation/hwmon/smsc47m1
index 34e6478..c15bbe6 100644
--- a/Documentation/hwmon/smsc47m1
+++ b/Documentation/hwmon/smsc47m1
@@ -12,6 +12,10 @@ Supported chips:
+  * SMSC LPC47M997
+    Addresses scanned: none, address read from Super I/O config space
+    Prefix: 'smsc47m1'
+    Datasheet: none
         Mark D. Studebaker <mdsxyz123 at yahoo.com>,
@@ -30,6 +34,9 @@ The 47M15x and 47M192 chips contain a fu
 in addition to the fan monitoring and control. The hardware monitoring
 block is not supported by the driver.
+No documentation is available for the 47M997, but it has the same device
+ID as the 47M15x and 47M192 chips and seems to be compatible.
 Fan rotation speeds are reported in RPM (rotations per minute). An alarm is
 triggered if the rotation speed has dropped below a programmable limit. Fan
 readings can be divided by a programmable divider (1, 2, 4 or 8) to give
diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c
index bbe93a0..5905c1a 100644
--- a/drivers/hwmon/smsc47m1.c
+++ b/drivers/hwmon/smsc47m1.c
@@ -3,7 +3,7 @@
                  for hardware monitoring
     Supports the SMSC LPC47B27x, LPC47M10x, LPC47M13x, LPC47M14x,
-    LPC47M15x and LPC47M192 Super-I/O chips.
+    LPC47M15x, LPC47M192 and LPC47M997 Super-I/O chips.
     Copyright (C) 2002 Mark D. Studebaker <mdsxyz123 at yahoo.com>
     Copyright (C) 2004 Jean Delvare <khali at linux-fr.org>
@@ -356,6 +356,8 @@ static int __init smsc47m1_find(unsigned
 	 * 0x5F) and LPC47B27x (device id 0x51) have fan control.
 	 * The LPC47M15x and LPC47M192 chips "with hardware monitoring block"
 	 * can do much more besides (device id 0x60).
+	 * The LPC47M997 is undocumented, but seems to be compatible with
+	 * the LPC47M192, and has the same device id.
 	if (val == 0x51)
 		printk(KERN_INFO "smsc47m1: Found SMSC LPC47B27x\n");
@@ -364,7 +366,8 @@ static int __init smsc47m1_find(unsigned
 	else if (val == 0x5F)
 		printk(KERN_INFO "smsc47m1: Found SMSC LPC47M14x\n");
 	else if (val == 0x60)
-		printk(KERN_INFO "smsc47m1: Found SMSC LPC47M15x/LPC47M192\n");
+		printk(KERN_INFO "smsc47m1: Found SMSC "
+		       "LPC47M15x/LPC47M192/LPC47M997\n");
 	else {
 		return -ENODEV;

More information about the lm-sensors mailing list