From b890a07f7b002ee473986fa85ae3582de399a4cf Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Wed, 26 Oct 2005 22:21:24 +0200 Subject: [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 Signed-off-by: Greg Kroah-Hartman --- 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 34e6478c1425..c15bbe68264e 100644 --- a/Documentation/hwmon/smsc47m1 +++ b/Documentation/hwmon/smsc47m1 @@ -12,6 +12,10 @@ Supported chips: http://www.smsc.com/main/datasheets/47m14x.pdf http://www.smsc.com/main/tools/discontinued/47m15x.pdf http://www.smsc.com/main/datasheets/47m192.pdf + * SMSC LPC47M997 + Addresses scanned: none, address read from Super I/O config space + Prefix: 'smsc47m1' + Datasheet: none Authors: Mark D. Studebaker , @@ -30,6 +34,9 @@ The 47M15x and 47M192 chips contain a full 'hardware monitoring block' 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 bbe93a0688ec..5905c1af88f2 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 Copyright (C) 2004 Jean Delvare @@ -356,6 +356,8 @@ static int __init smsc47m1_find(unsigned short *addr) * 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 short *addr) 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 { superio_exit(); return -ENODEV; -- cgit v1.2.3