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| author |   Antti Keränen <detegr@rbx.email> | 2021-07-08 12:54:29 +0300 |
|---|---|---|
| committer |   Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-07-17 18:41:04 +0100 |
| commit | 7e77ef8b8d600cf8448a2bbd32f682c28884551f (patch) | |
| tree | fe91999a8e393f58a45c5011d8d629bfeb831264 /drivers/iio/imu | |
| parent | iio: adc: ti-ads7950: Ensure CS is deasserted after reading channels (diff) | |
| download | linux-dev-7e77ef8b8d600cf8448a2bbd32f682c28884551f.tar.xz linux-dev-7e77ef8b8d600cf8448a2bbd32f682c28884551f.zip | |
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: 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>
Diffstat (limited to 'drivers/iio/imu')
| -rw-r--r-- | drivers/iio/imu/adis.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/iio/imu/adis.c b/drivers/iio/imu/adis.c index a5b421f42287..b9a06ca29bee 100644 --- a/drivers/iio/imu/adis.c +++ b/drivers/iio/imu/adis.c @@ -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); |