From: Antti Keränen <detegr@rbx.email>
Date: Thu, 8 Jul 2021 09:54:29 +0000 (+0300)
Subject: iio: adis: set GPIO reset pin direction
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=45de224b1332577f3e7aac60332a7000939c068a;p=linux-block.git

iio: adis: set GPIO reset pin direction

commit 7e77ef8b8d600cf8448a2bbd32f682c28884551f upstream.

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: ecb010d44108 ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/iio/imu/adis.c b/drivers/iio/imu/adis.c
index 319b64b2fd88..f8b7837d8b8f 100644
--- a/drivers/iio/imu/adis.c
+++ b/drivers/iio/imu/adis.c
@@ -415,12 +415,11 @@ 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);