1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/hwmon/pc87427.c b/drivers/hwmon/pc87427.c
index d40509ad6ae6..7265f22ae5cd 100644
--- a/drivers/hwmon/pc87427.c
+++ b/drivers/hwmon/pc87427.c
@@ -34,6 +34,10 @@
 #include <linux/ioport.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 "pc87427"
@@ -555,7 +559,7 @@ static int __init pc87427_find(int sioaddr, unsigned short *address)
         int i, err = 0;
 
         /* Identify device */
-        val = superio_inb(sioaddr, SIOREG_DEVID);
+        val = force_id ? force_id : superio_inb(sioaddr, SIOREG_DEVID);
         if (val != 0xf2) {      /* PC87427 */
                 err = -ENODEV;
                 goto exit;