diff options
Diffstat (limited to 'drivers/iio/adc/ad4130.c')
| -rw-r--r-- | drivers/iio/adc/ad4130.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/iio/adc/ad4130.c b/drivers/iio/adc/ad4130.c index feb86fe6c422..62490424b6ae 100644 --- a/drivers/iio/adc/ad4130.c +++ b/drivers/iio/adc/ad4130.c @@ -1821,7 +1821,7 @@ static int ad4130_setup_int_clk(struct ad4130_state *st) { struct device *dev = &st->spi->dev; struct device_node *of_node = dev_of_node(dev); - struct clk_init_data init; + struct clk_init_data init = {}; const char *clk_name; int ret; @@ -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); |