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--- a/drivers/cbus/retu.h
+++ b/drivers/cbus/retu.h
@@ -40,6 +40,8 @@
#define RETU_REG_CTRL_CLR 0x0f /* Regulator clear register */
#define RETU_REG_CTRL_SET 0x10 /* Regulator set register */
#define RETU_REG_STATUS 0x16 /* Status register */
+#define RETU_REG_STATUS_BATAVAIL 0x0100 /* Battery available */
+#define RETU_REG_STATUS_CHGPLUG 0x1000 /* Charger is plugged in */
#define RETU_REG_WATCHDOG 0x17 /* Watchdog register */
#define RETU_REG_AUDTXR 0x18 /* Audio Codec Tx register */
#define RETU_REG_MAX 0x1f
@@ -57,6 +59,23 @@
#define MAX_RETU_IRQ_HANDLERS 16
+/* ADC channels */
+#define RETU_ADC_GND 0x00 /* Ground */
+#define RETU_ADC_BSI 0x01 /* Battery Size Indicator */
+#define RETU_ADC_BATTEMP 0x02 /* Battery temperature */
+#define RETU_ADC_CHGVOLT 0x03 /* Charger voltage */
+#define RETU_ADC_HEADSET 0x04 /* Headset detection */
+#define RETU_ADC_HOOKDET 0x05 /* Hook detection */
+#define RETU_ADC_RFGP 0x06 /* RF GP */
+#define RETU_ADC_WBTX 0x07 /* Wideband Tx detection */
+#define RETU_ADC_BATTVOLT 0x08 /* Battery voltage measurement */
+#define RETU_ADC_GND2 0x09 /* Ground */
+#define RETU_ADC_LIGHTSENS 0x0A /* Light sensor */
+#define RETU_ADC_LIGHTTEMP 0x0B /* Light sensor temperature */
+#define RETU_ADC_BKUPVOLT 0x0C /* Backup battery voltage */
+#define RETU_ADC_TEMP 0x0D /* RETU temperature */
+
+
int retu_read_reg(struct device *child, unsigned reg);
void retu_write_reg(struct device *child, unsigned reg, u16 val);
void retu_set_clear_reg_bits(struct device *child, unsigned reg, u16 set,
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