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-rw-r--r--drivers/iio/adc/ad4130.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/iio/adc/ad4130.c b/drivers/iio/adc/ad4130.c
index 9daeac16499b3..62490424b6aed 100644
--- a/drivers/iio/adc/ad4130.c
+++ b/drivers/iio/adc/ad4130.c
@@ -1891,10 +1891,14 @@ static int ad4130_setup(struct iio_dev *indio_dev)
return ret;
/*
- * Configure all GPIOs for output. If configured, the interrupt function
- * of P2 takes priority over the GPIO out function.
+ * Configure unused GPIOs for output. If configured, the interrupt
+ * function of P2 takes priority over the GPIO out function.
*/
- val = AD4130_IO_CONTROL_GPIO_CTRL_MASK;
+ val = 0;
+ for (i = 0; i < AD4130_MAX_GPIOS; i++)
+ if (st->pins_fn[i + AD4130_AIN2_P1] == AD4130_PIN_FN_NONE)
+ val |= FIELD_PREP(AD4130_IO_CONTROL_GPIO_CTRL_MASK, BIT(i));
+
val |= FIELD_PREP(AD4130_IO_CONTROL_INT_PIN_SEL_MASK, st->int_pin_sel);
ret = regmap_write(st->regmap, AD4130_IO_CONTROL_REG, val);