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[PATCH] HWMON: Trim VID values to correct number of bits

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Following patch trims the VID value to correct number of bits
for each VRM.

Signed-off-by: Rudolf Marek <r.marek@sh.cvut.cz>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Rudolf Marek 2006-04-25 14:24:46 +02:00 committed by Greg Kroah-Hartman
parent 0d0001dd95
commit 177d165d7c
1 changed files with 8 additions and 1 deletions
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9
drivers/hwmon/hwmon-vid.c
View file

@ -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;