diff --git a/include/libsigrok/libsigrok.h b/include/libsigrok/libsigrok.h
index 140a8597..fd2be22e 100644
--- a/include/libsigrok/libsigrok.h
+++ b/include/libsigrok/libsigrok.h
@@ -924,6 +924,9 @@ enum sr_configkey {
 	/** Output frequency in Hz. */
 	SR_CONF_OUTPUT_FREQUENCY,
 
+	/** Output frequency target in Hz. */
+	SR_CONF_OUTPUT_FREQUENCY_TARGET,
+
 	/** Measured quantity. */
 	SR_CONF_MEASURED_QUANTITY,
 
@@ -933,9 +936,6 @@ enum sr_configkey {
 	/** Equivalent circuit model. */
 	SR_CONF_EQUIV_CIRCUIT_MODEL,
 
-	/* Output frequency target in Hz. */
-	SR_CONF_OUTPUT_FREQUENCY_TARGET,
-
 	/** Over-temperature protection (OTP) active. */
 	SR_CONF_OVER_TEMPERATURE_PROTECTION_ACTIVE,
 
diff --git a/src/hwdriver.c b/src/hwdriver.c
index 7c904547..99f3ee3f 100644
--- a/src/hwdriver.c
+++ b/src/hwdriver.c
@@ -59,6 +59,8 @@ static struct sr_key_info sr_key_info_config[] = {
 	{SR_CONF_DEMODULATOR, SR_T_STRING, NULL, "Demodulator", NULL},
 	{SR_CONF_POWER_SUPPLY, SR_T_STRING, NULL, "Power supply", NULL},
 	{SR_CONF_LCRMETER, SR_T_STRING, NULL, "LCR meter", NULL},
+	{SR_CONF_ELECTRONIC_LOAD, SR_T_STRING, NULL, "Electronic load", NULL},
+	{SR_CONF_SCALE, SR_T_STRING, NULL, "Scale", NULL},
 
 	/* Driver scan options */
 	{SR_CONF_CONN, SR_T_STRING, "conn",
@@ -241,6 +243,7 @@ static struct sr_key_info sr_key_info_mq[] = {
 	{SR_MQ_COUNT, 0, "count", "Count", NULL},
 	{SR_MQ_POWER_FACTOR, 0, "power_factor", "Power factor", NULL},
 	{SR_MQ_APPARENT_POWER, 0, "apparent_power", "Apparent power", NULL},
+	{SR_MQ_MASS, 0, "mass", "Mass", NULL},
 	ALL_ZERO
 };
 
@@ -272,6 +275,7 @@ static struct sr_key_info sr_key_info_mqflag[] = {
 	{SR_MQFLAG_DURATION, 0, "duration", "Duration", NULL},
 	{SR_MQFLAG_AVG, 0, "average", "Average", NULL},
 	{SR_MQFLAG_REFERENCE, 0, "reference", "Reference", NULL},
+	{SR_MQFLAG_UNSTABLE, 0, "unstable", "Unstable", NULL},
 	ALL_ZERO
 };