AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-04 02:06:43 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

iio: adis: set GPIO reset pin direction

Browse Source 
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: ecb010d441 ("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>
This commit is contained in:
Antti Keränen 2021-07-08 12:54:29 +03:00 committed by AuxXxilium
parent 20cf45852c
commit eaa7f48017
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/iio/imu/adis.c
View File

@ -415,12 +415,11 @@ int __adis_initial_startup(struct adis *adis)
int ret; int ret;
/* check if the device has rst pin low */ /* 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)) if (IS_ERR(gpio))
return PTR_ERR(gpio); return PTR_ERR(gpio);
if (gpio) { if (gpio) {
gpiod_set_value_cansleep(gpio, 1);
msleep(10); msleep(10);
/* bring device out of reset */ /* bring device out of reset */
gpiod_set_value_cansleep(gpio, 0); gpiod_set_value_cansleep(gpio, 0);