diff --git a/src/hardware/sysclk-lwla/lwla.h b/src/hardware/sysclk-lwla/lwla.h
index 5484d2eb..867ed6a4 100644
--- a/src/hardware/sysclk-lwla/lwla.h
+++ b/src/hardware/sysclk-lwla/lwla.h
@@ -83,10 +83,10 @@ enum {
 
 	REG_DIV_BYPASS  = 0x1094, /* bypass clock divider flag */
 
-	REG_CMD_CTRL1   = 0x10B0, /* command control ??? */
-	REG_CMD_CTRL2   = 0x10B4, /* command control ??? */
-	REG_CMD_CTRL3   = 0x10B8, /* command control ??? */
-	REG_CMD_CTRL4   = 0x10BC, /* command control ??? */
+	REG_LONG_STROBE = 0x10B0, /* long register read/write strobe */
+	REG_LONG_ADDR   = 0x10B4, /* long register address */
+	REG_LONG_LOW    = 0x10B8, /* long register low word */
+	REG_LONG_HIGH   = 0x10BC, /* long register high word */
 
 	REG_FREQ_CH1    = 0x10C0, /* channel 1 live frequency */
 	REG_FREQ_CH2    = 0x10C4, /* channel 2 live frequency */
diff --git a/src/hardware/sysclk-lwla/protocol.c b/src/hardware/sysclk-lwla/protocol.c
index 5891af4f..5a1522fc 100644
--- a/src/hardware/sysclk-lwla/protocol.c
+++ b/src/hardware/sysclk-lwla/protocol.c
@@ -327,16 +327,16 @@ static void issue_stop_capture(const struct sr_dev_inst *sdi)
 
 	regvals = devc->reg_write_seq;
 
-	regvals[0].reg = REG_CMD_CTRL2;
+	regvals[0].reg = REG_LONG_ADDR;
 	regvals[0].val = 10;
 
-	regvals[1].reg = REG_CMD_CTRL3;
+	regvals[1].reg = REG_LONG_LOW;
 	regvals[1].val = 0;
 
-	regvals[2].reg = REG_CMD_CTRL4;
+	regvals[2].reg = REG_LONG_HIGH;
 	regvals[2].val = 0;
 
-	regvals[3].reg = REG_CMD_CTRL1;
+	regvals[3].reg = REG_LONG_STROBE;
 	regvals[3].val = 0;
 
 	regvals[4].reg = REG_DIV_BYPASS;
@@ -714,25 +714,25 @@ SR_PRIV int lwla_init_device(const struct sr_dev_inst *sdi)
 	if (ret != SR_OK)
 		return ret;
 
-	ret = lwla_write_reg(sdi->conn, REG_CMD_CTRL2, 100);
+	ret = lwla_write_reg(sdi->conn, REG_LONG_ADDR, 100);
 	if (ret != SR_OK)
 		return ret;
 
-	ret = lwla_read_reg(sdi->conn, REG_CMD_CTRL1, &value);
+	ret = lwla_read_reg(sdi->conn, REG_LONG_STROBE, &value);
 	if (ret != SR_OK)
 		return ret;
 	sr_dbg("Received test word 0x%08X back.", value);
 	if (value != 0x12345678)
 		return SR_ERR;
 
-	ret = lwla_read_reg(sdi->conn, REG_CMD_CTRL4, &value);
+	ret = lwla_read_reg(sdi->conn, REG_LONG_HIGH, &value);
 	if (ret != SR_OK)
 		return ret;
 	sr_dbg("Received test word 0x%08X back.", value);
 	if (value != 0x12345678)
 		return SR_ERR;
 
-	ret = lwla_read_reg(sdi->conn, REG_CMD_CTRL3, &value);
+	ret = lwla_read_reg(sdi->conn, REG_LONG_LOW, &value);
 	if (ret != SR_OK)
 		return ret;
 	sr_dbg("Received test word 0x%08X back.", value);
@@ -833,16 +833,16 @@ SR_PRIV int lwla_setup_acquisition(const struct sr_dev_inst *sdi)
 	regvals[1].reg = REG_MEM_CTRL2;
 	regvals[1].val = 1;
 
-	regvals[2].reg = REG_CMD_CTRL2;
+	regvals[2].reg = REG_LONG_ADDR;
 	regvals[2].val = 10;
 
-	regvals[3].reg = REG_CMD_CTRL3;
+	regvals[3].reg = REG_LONG_LOW;
 	regvals[3].val = 0x74;
 
-	regvals[4].reg = REG_CMD_CTRL4;
+	regvals[4].reg = REG_LONG_HIGH;
 	regvals[4].val = 0;
 
-	regvals[5].reg = REG_CMD_CTRL1;
+	regvals[5].reg = REG_LONG_STROBE;
 	regvals[5].val = 0;
 
 	regvals[6].reg = REG_DIV_BYPASS;
@@ -887,16 +887,16 @@ SR_PRIV int lwla_start_acquisition(const struct sr_dev_inst *sdi)
 
 	regvals = devc->reg_write_seq;
 
-	regvals[0].reg = REG_CMD_CTRL2;
+	regvals[0].reg = REG_LONG_ADDR;
 	regvals[0].val = 10;
 
-	regvals[1].reg = REG_CMD_CTRL3;
+	regvals[1].reg = REG_LONG_LOW;
 	regvals[1].val = 1;
 
-	regvals[2].reg = REG_CMD_CTRL4;
+	regvals[2].reg = REG_LONG_HIGH;
 	regvals[2].val = 0;
 
-	regvals[3].reg = REG_CMD_CTRL1;
+	regvals[3].reg = REG_LONG_STROBE;
 	regvals[3].val = 0;
 
 	devc->reg_write_pos = 0;