diff --git a/drivers/iio/chemical/bme680.h b/drivers/iio/chemical/bme680.h
index e049323f209a..dd4247d364a0 100644
--- a/drivers/iio/chemical/bme680.h
+++ b/drivers/iio/chemical/bme680.h
@@ -4,10 +4,10 @@
 
 #define BME680_REG_CHIP_I2C_ID			0xD0
 #define BME680_REG_CHIP_SPI_ID			0x50
-#define BME680_CHIP_ID_VAL			0x61
+#define   BME680_CHIP_ID_VAL			0x61
 #define BME680_REG_SOFT_RESET_I2C		0xE0
 #define BME680_REG_SOFT_RESET_SPI		0x60
-#define BME680_CMD_SOFTRESET			0xB6
+#define   BME680_CMD_SOFTRESET			0xB6
 #define BME680_REG_STATUS			0x73
 #define   BME680_SPI_MEM_PAGE_BIT		BIT(4)
 #define     BME680_SPI_MEM_PAGE_1_VAL		1
@@ -18,6 +18,7 @@
 #define BME680_REG_GAS_MSB			0x2A
 #define BME680_REG_GAS_R_LSB			0x2B
 #define   BME680_GAS_STAB_BIT			BIT(4)
+#define   BME680_GAS_RANGE_MASK			0x0F
 
 #define BME680_REG_CTRL_HUMIDITY		0x72
 #define   BME680_OSRS_HUMIDITY_MASK		GENMASK(2, 0)
@@ -26,9 +27,8 @@
 #define   BME680_OSRS_TEMP_MASK			GENMASK(7, 5)
 #define   BME680_OSRS_PRESS_MASK		GENMASK(4, 2)
 #define   BME680_MODE_MASK			GENMASK(1, 0)
-
-#define BME680_MODE_FORCED			1
-#define BME680_MODE_SLEEP			0
+#define     BME680_MODE_FORCED			1
+#define     BME680_MODE_SLEEP			0
 
 #define BME680_REG_CONFIG			0x75
 #define   BME680_FILTER_MASK			GENMASK(4, 2)
@@ -42,13 +42,12 @@
 #define BME680_BIT_H1_DATA_MSK			0x0F
 
 #define BME680_REG_RES_HEAT_RANGE		0x02
-#define BME680_RHRANGE_MSK			0x30
+#define   BME680_RHRANGE_MSK			0x30
 #define BME680_REG_RES_HEAT_VAL			0x00
 #define BME680_REG_RANGE_SW_ERR			0x04
-#define BME680_RSERROR_MSK			0xF0
+#define   BME680_RSERROR_MSK			0xF0
 #define BME680_REG_RES_HEAT_0			0x5A
 #define BME680_REG_GAS_WAIT_0			0x64
-#define BME680_GAS_RANGE_MASK			0x0F
 #define BME680_ADC_GAS_RES_SHIFT		6
 #define BME680_AMB_TEMP				25