-/* Slave 0 (i2c address 0x48) */
-#define TWL4030_MODULE_USB 0x00
-
-/* Slave 1 (i2c address 0x49) */
-#define TWL4030_MODULE_AUDIO_VOICE 0x01
-#define TWL4030_MODULE_GPIO 0x02
-#define TWL4030_MODULE_INTBR 0x03
-#define TWL4030_MODULE_PIH 0x04
-#define TWL4030_MODULE_TEST 0x05
-
-/* Slave 2 (i2c address 0x4a) */
-#define TWL4030_MODULE_KEYPAD 0x06
-#define TWL4030_MODULE_MADC 0x07
-#define TWL4030_MODULE_INTERRUPTS 0x08
-#define TWL4030_MODULE_LED 0x09
-#define TWL4030_MODULE_MAIN_CHARGE 0x0A
-#define TWL4030_MODULE_PRECHARGE 0x0B
-#define TWL4030_MODULE_PWM0 0x0C
-#define TWL4030_MODULE_PWM1 0x0D
-#define TWL4030_MODULE_PWMA 0x0E
-#define TWL4030_MODULE_PWMB 0x0F
-
-#define TWL5031_MODULE_ACCESSORY 0x10
-#define TWL5031_MODULE_INTERRUPTS 0x11
-
-/* Slave 3 (i2c address 0x4b) */
-#define TWL4030_MODULE_BACKUP 0x12
-#define TWL4030_MODULE_INT 0x13
-#define TWL4030_MODULE_PM_MASTER 0x14
-#define TWL4030_MODULE_PM_RECEIVER 0x15
-#define TWL4030_MODULE_RTC 0x16
-#define TWL4030_MODULE_SECURED_REG 0x17
+enum twl4030_module_ids {
+ TWL4030_MODULE_USB = 0, /* Slave 0 (i2c address 0x48) */
+ TWL4030_MODULE_AUDIO_VOICE, /* Slave 1 (i2c address 0x49) */
+ TWL4030_MODULE_GPIO,
+ TWL4030_MODULE_INTBR,
+ TWL4030_MODULE_PIH,
+
+ TWL4030_MODULE_TEST,
+ TWL4030_MODULE_KEYPAD, /* Slave 2 (i2c address 0x4a) */
+ TWL4030_MODULE_MADC,
+ TWL4030_MODULE_INTERRUPTS,
+ TWL4030_MODULE_LED,
+
+ TWL4030_MODULE_MAIN_CHARGE,
+ TWL4030_MODULE_PRECHARGE,
+ TWL4030_MODULE_PWM0,
+ TWL4030_MODULE_PWM1,
+ TWL4030_MODULE_PWMA,
+
+ TWL4030_MODULE_PWMB,
+ TWL5031_MODULE_ACCESSORY,
+ TWL5031_MODULE_INTERRUPTS,
+ TWL4030_MODULE_BACKUP, /* Slave 3 (i2c address 0x4b) */
+ TWL4030_MODULE_INT,
+
+ TWL4030_MODULE_PM_MASTER,
+ TWL4030_MODULE_PM_RECEIVER,
+ TWL4030_MODULE_RTC,
+ TWL4030_MODULE_SECURED_REG,
+ TWL4030_MODULE_LAST,
+};