CLAMP(9)                                  Driver Basics                                  CLAMP(9)



NAME
       clamp - return a value clamped to a given range with strict typechecking

SYNOPSIS
       clamp(val, lo, hi);

ARGUMENTS
       val
           current value

       lo
           lowest allowable value

       hi
           highest allowable value

DESCRIPTION
       This macro does strict typechecking of lo/hi to make sure they are of the same type as
       val. See the unnecessary pointer comparisons.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                                  CLAMP(9)