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[PATCH] I2C: i2c-vid.h: Support for VID to reg conversion 

Adds conversion from VID (mV) to register value. Used by the atxp1 I2C module.
Removed uneeded switch case.

Signed-off-by: Sebastian Witt <se.witt@gmx.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Sebastian Witt 2005-04-13 22:25:39 +02:00 committed by Greg Kroah-Hartman
parent 792f156d61
commit 3886246a25
1 changed files with 12 additions and 0 deletions
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12
include/linux/i2c-vid.h
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@ -97,3 +97,15 @@ static inline int vid_from_reg(int val, int vrm)
2050 - (val) * 50);
}
}
static inline int vid_to_reg(int val, int vrm)
{
switch (vrm) {
case 91: /* VRM 9.1 */
case 90: /* VRM 9.0 */
return ((val >= 1100) && (val <= 1850) ?
((18499 - val * 10) / 25 + 5) / 10 : -1);
default:
return -1;
}
}