Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
authored by
Rodrigo Alencar
and committed by
Jonathan Cameron
d99a03d6
d5e02d0d
+6
+6
drivers/iio/amplifiers/ad8366.c
+6
drivers/iio/amplifiers/ad8366.c
···
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static int ad8366_probe(struct spi_device *spi)
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{
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struct device *dev = &spi->dev;
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struct gpio_desc *enable_gpio;
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struct reset_control *rstc;
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struct iio_dev *indio_dev;
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struct ad8366_state *st;
···
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st->spi = spi;
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st->info = spi_get_device_match_data(spi);
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+
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enable_gpio = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_HIGH);
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if (IS_ERR(enable_gpio))
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return dev_err_probe(dev, PTR_ERR(enable_gpio),
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"Failed to get enable GPIO\n");
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rstc = devm_reset_control_get_optional_exclusive_deasserted(dev, NULL);
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if (IS_ERR(rstc))