Commit 7e77ef8b authored Jul 08, 2021 by Antti Keränen Committed by Jonathan Cameron Jul 17, 2021

iio: adis: set GPIO reset pin direction



Set reset pin direction to output as the reset pin needs to be an active
low output pin.

Co-developed-by: Hannu Hartikainen <hannu@hrtk.in>
Signed-off-by: Hannu Hartikainen <hannu@hrtk.in>
Signed-off-by: Antti Keränen <detegr@rbx.email>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Fixes: ecb010d4 ("iio: imu: adis: Refactor adis_initial_startup")
Link: https://lore.kernel.org/r/20210708095425.13295-1-detegr@rbx.email


Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

parent 9898cb24

drivers/iio/imu/adis.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -411,12 +411,11 @@ int __adis_initial_startup(struct adis *adis)
		int ret;

		/* check if the device has rst pin low */
		gpio = devm_gpiod_get_optional(&adis->spi->dev, "reset", GPIOD_ASIS);
		gpio = devm_gpiod_get_optional(&adis->spi->dev, "reset", GPIOD_OUT_HIGH);
		if (IS_ERR(gpio))
		return PTR_ERR(gpio);

		if (gpio) {
		gpiod_set_value_cansleep(gpio, 1);
		msleep(10);
		/* bring device out of reset */
		gpiod_set_value_cansleep(gpio, 0);