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path: root/drivers/iio/adc/twl6030-gpadc.c
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Diffstat (limited to 'drivers/iio/adc/twl6030-gpadc.c')
-rw-r--r--drivers/iio/adc/twl6030-gpadc.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/iio/adc/twl6030-gpadc.c b/drivers/iio/adc/twl6030-gpadc.c
index f53e8558b560..32873fb5f367 100644
--- a/drivers/iio/adc/twl6030-gpadc.c
+++ b/drivers/iio/adc/twl6030-gpadc.c
@@ -57,6 +57,18 @@
#define TWL6030_GPADCS BIT(1)
#define TWL6030_GPADCR BIT(0)
+#define USB_VBUS_CTRL_SET 0x04
+#define USB_ID_CTRL_SET 0x06
+
+#define TWL6030_MISC1 0xE4
+#define VBUS_MEAS 0x01
+#define ID_MEAS 0x01
+
+#define VAC_MEAS 0x04
+#define VBAT_MEAS 0x02
+#define BB_MEAS 0x01
+
+
/**
* struct twl6030_chnl_calib - channel calibration
* @gain: slope coefficient for ideal curve
@@ -927,6 +939,26 @@ static int twl6030_gpadc_probe(struct platform_device *pdev)
return ret;
}
+ ret = twl_i2c_write_u8(TWL_MODULE_USB, VBUS_MEAS, USB_VBUS_CTRL_SET);
+ if (ret < 0) {
+ dev_err(dev, "failed to wire up inputs\n");
+ return ret;
+ }
+
+ ret = twl_i2c_write_u8(TWL_MODULE_USB, ID_MEAS, USB_ID_CTRL_SET);
+ if (ret < 0) {
+ dev_err(dev, "failed to wire up inputs\n");
+ return ret;
+ }
+
+ ret = twl_i2c_write_u8(TWL6030_MODULE_ID0,
+ VBAT_MEAS | BB_MEAS | VAC_MEAS,
+ TWL6030_MISC1);
+ if (ret < 0) {
+ dev_err(dev, "failed to wire up inputs\n");
+ return ret;
+ }
+
indio_dev->name = DRIVER_NAME;
indio_dev->info = &twl6030_gpadc_iio_info;
indio_dev->modes = INDIO_DIRECT_MODE;