diff options
| author | Rodrigo Alencar <rodrigo.alencar@analog.com> | 2026-02-16 20:10:54 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2026-02-24 00:00:58 +0300 |
| commit | d99a03d6dda43226fd3138e5cd89ddba739a11cf (patch) | |
| tree | 8aa8b4cc5fd2accb7cc68fb9a099712e0f49408a | |
| parent | d5e02d0d00b99bb37f935f250181bf310d3d6e85 (diff) | |
| download | linux-d99a03d6dda43226fd3138e5cd89ddba739a11cf.tar.xz | |
iio: amplifiers: ad8366: consume enable gpio
Some parts may consume enable GPIO to enable serial mode
(HMC1119's and HMC792A P/S pin) or powerup the device
(e.g. ADA4961's PWUP pin).
Signed-off-by: Rodrigo Alencar <rodrigo.alencar@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | drivers/iio/amplifiers/ad8366.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iio/amplifiers/ad8366.c b/drivers/iio/amplifiers/ad8366.c index fb787a512bff..d4499af0518a 100644 --- a/drivers/iio/amplifiers/ad8366.c +++ b/drivers/iio/amplifiers/ad8366.c @@ -217,6 +217,7 @@ static const struct iio_chan_spec ad8366_channels[] = { static int ad8366_probe(struct spi_device *spi) { struct device *dev = &spi->dev; + struct gpio_desc *enable_gpio; struct reset_control *rstc; struct iio_dev *indio_dev; struct ad8366_state *st; @@ -239,6 +240,11 @@ static int ad8366_probe(struct spi_device *spi) st->spi = spi; st->info = spi_get_device_match_data(spi); + enable_gpio = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_HIGH); + if (IS_ERR(enable_gpio)) + return dev_err_probe(dev, PTR_ERR(enable_gpio), + "Failed to get enable GPIO\n"); + rstc = devm_reset_control_get_optional_exclusive_deasserted(dev, NULL); if (IS_ERR(rstc)) return dev_err_probe(dev, PTR_ERR(rstc), |