CLAMP_VAL(9)                              Driver Basics                              CLAMP_VAL(9)



NAME
       clamp_val - return a value clamped to a given range using val's type

SYNOPSIS
       clamp_val(val, lo, hi);

ARGUMENTS
       val
           current value

       lo
           minimum allowable value

       hi
           maximum allowable value

DESCRIPTION
       This macro does no typechecking and uses temporary variables of whatever type the input
       argument 'val' is. This is useful when val is an unsigned type and min and max are
       literals that will otherwise be assigned a signed integer type.

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