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path: root/drivers/hwmon/pc87427.c
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Diffstat (limited to 'drivers/hwmon/pc87427.c')
-rw-r--r--drivers/hwmon/pc87427.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/hwmon/pc87427.c b/drivers/hwmon/pc87427.c
index d40509a..7265f22 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;
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