From d99a03d6dda43226fd3138e5cd89ddba739a11cf Mon Sep 17 00:00:00 2001 From: Rodrigo Alencar Date: Mon, 16 Feb 2026 17:10:54 +0000 Subject: [PATCH] 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 Signed-off-by: Jonathan Cameron --- drivers/iio/amplifiers/ad8366.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/iio/amplifiers/ad8366.c b/drivers/iio/amplifiers/ad8366.c index fb787a512bff6..d4499af0518a7 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), -- 2.47.3