From: Rudolf Marek <r.marek at sh.cvut.cz>
Following patch trims the VID value to correct number of bits
for each VRM.
Signed-off-by: Rudolf Marek <r.marek at sh.cvut.cz>
Signed-off-by: Jean Delvare <khali at linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh at suse.de>
---
drivers/hwmon/hwmon-vid.c | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/drivers/hwmon/hwmon-vid.c b/drivers/hwmon/hwmon-vid.c
index a74a44f..b0fd267 100644
--- a/drivers/hwmon/hwmon-vid.c
+++ b/drivers/hwmon/hwmon-vid.c
@@ -70,6 +70,7 @@ int vid_from_reg(int val, u8 vrm)
switch(vrm) {
case 100: /* VRD 10.0 */
+ val &= 0x3f;
if((val & 0x1f) == 0x1f)
return 0;
if((val & 0x1f) <= 0x09 || val == 0x0a)
@@ -82,14 +83,17 @@ int vid_from_reg(int val, u8 vrm)
return vid;
case 24: /* Opteron processor */
+ val &= 0x1f;
return(val == 0x1f ? 0 : 1550 - val * 25);
case 91: /* VRM 9.1 */
case 90: /* VRM 9.0 */
+ val &= 0x1f;
return(val == 0x1f ? 0 :
1850 - val * 25);
case 85: /* VRM 8.5 */
+ val &= 0x1f;
return((val & 0x10 ? 25 : 0) +
((val & 0x0f) > 0x04 ? 2050 : 1250) -
((val & 0x0f) * 50));
@@ -98,14 +102,17 @@ int vid_from_reg(int val, u8 vrm)
val &= 0x0f;
/* fall through */
case 82: /* VRM 8.2 */
+ val &= 0x1f;
return(val == 0x1f ? 0 :
val & 0x10 ? 5100 - (val) * 100 :
2050 - (val) * 50);
case 17: /* Intel IMVP-II */
+ val &= 0x1f;
return(val & 0x10 ? 975 - (val & 0xF) * 25 :
1750 - val * 50);
case 13:
- return(1708 - (val & 0x3f) * 16);
+ val &= 0x3f;
+ return(1708 - val * 16);
default: /* report 0 for unknown */
printk(KERN_INFO "hwmon-vid: requested unknown VRM version\n");
return 0;
--
1.4.0
