1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c
index a10a380868e2..0d7f0c4d06bb 100644
--- a/drivers/hwmon/smsc47m1.c
+++ b/drivers/hwmon/smsc47m1.c
@@ -39,6 +39,10 @@
 #include <linux/sysfs.h>
 #include <asm/io.h>
 
+static unsigned short force_id;
+module_param(force_id, ushort, 0);
+MODULE_PARM_DESC(force_id, "Override the detected device ID");
+
 static struct platform_device *pdev;
 
 #define DRVNAME "smsc47m1"
@@ -399,7 +403,7 @@ static int __init smsc47m1_find(unsigned short *addr,
         u8 val;
 
         superio_enter();
-        val = superio_inb(SUPERIO_REG_DEVID);
+        val = force_id ? force_id : superio_inb(SUPERIO_REG_DEVID);
 
         /*
          * SMSC LPC47M10x/LPC47M112/LPC47M13x (device id 0x59), LPC47M14x