TACH_UNKNOWN
fanp->cspeed = TACH_UNKNOWN;
fanp->lspeed = TACH_UNKNOWN;
fanp->lspeed = TACH_UNKNOWN; /* Reset Last read tach */
fanp->lspeed = TACH_UNKNOWN;
if (fanp->lspeed == TACH_UNKNOWN) {
#define FAN_OUT_OF_RANGE (TACH_UNKNOWN)
fanp->lspeed = TACH_UNKNOWN; /* Reset Last read tach */
fanp->lspeed = TACH_UNKNOWN;
if (fanp->lspeed == TACH_UNKNOWN) {
#define FAN_OUT_OF_RANGE (TACH_UNKNOWN)
fanp->cspeed = TACH_UNKNOWN;
fanp->lspeed = TACH_UNKNOWN;