diff --git a/modules/database/src/std/dev/devBiSoftRaw.c b/modules/database/src/std/dev/devBiSoftRaw.c
index 0b57974b9..0f1ab2fdd 100644
--- a/modules/database/src/std/dev/devBiSoftRaw.c
+++ b/modules/database/src/std/dev/devBiSoftRaw.c
@@ -51,6 +51,9 @@ static long readLocked(struct link *pinp, void *dummy)
 
     if (status) return status;
 
+    if (prec->mask)
+        prec->rval &= prec->mask;
+
     if (dbLinkIsConstant(&prec->tsel) &&
         prec->tse == epicsTimeEventDeviceTime)
         dbGetTimeStamp(pinp, &prec->time);
diff --git a/modules/database/src/std/rec/biRecord.dbd.pod b/modules/database/src/std/rec/biRecord.dbd.pod
index 40ecd0293..157c33fe6 100644
--- a/modules/database/src/std/rec/biRecord.dbd.pod
+++ b/modules/database/src/std/rec/biRecord.dbd.pod
@@ -60,8 +60,10 @@ this chapter for information on soft device support.
 
 If the record gets its values from hardware or uses the C<Raw Soft Channel>
 device support, the device support routines place the value in the RVAL
-field which is then converted using the process described in the next
-section.
+field.
+(Since UNRELEASED) If the MASK field is non-zero, then this MASK is applied to RVAL.
+The value of RVAL is then converted using the process described in the
+next section.
 
 =fields INP, DTYP, ZNAM, ONAM, RVAL, VAL