fs9922: Fix beep mode.

diff --git a/hardware/common/dmm/fs9922.c b/hardware/common/dmm/fs9922.c
index fced8f593ae59fc3ef798790a99376be395691e7..90cc8b069eef85701337ecc03a54fa49a8716a31 100644 (file)
--- a/hardware/common/dmm/fs9922.c
+++ b/hardware/common/dmm/fs9922.c
@@ -279,7 +279,7 @@ static void handle_flags(struct sr_datafeed_analog *analog, float *floatval,
        if (info->is_beep) {
                analog->mq = SR_MQ_CONTINUITY;
                analog->unit = SR_UNIT_BOOLEAN;
-               *floatval = (*floatval < 0.0) ? 0.0 : 1.0;
+               *floatval = (*floatval == INFINITY) ? 0.0 : 1.0;
        }
        if (info->is_percent) {
                analog->mq = SR_MQ_DUTY_CYCLE;