diff options
Diffstat (limited to 'drivers/iio/magnetometer/st_magn_buffer.c')
| -rw-r--r-- | drivers/iio/magnetometer/st_magn_buffer.c | 46 |
1 files changed, 5 insertions, 41 deletions
diff --git a/drivers/iio/magnetometer/st_magn_buffer.c b/drivers/iio/magnetometer/st_magn_buffer.c index bb425c167a96..79987f42e8d9 100644 --- a/drivers/iio/magnetometer/st_magn_buffer.c +++ b/drivers/iio/magnetometer/st_magn_buffer.c @@ -7,16 +7,10 @@ * Denis Ciocca <denis.ciocca@st.com> */ -#include <linux/module.h> #include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/stat.h> -#include <linux/interrupt.h> -#include <linux/i2c.h> -#include <linux/delay.h> #include <linux/iio/iio.h> #include <linux/iio/buffer.h> -#include <linux/iio/trigger_consumer.h> +#include <linux/iio/trigger.h> #include <linux/iio/triggered_buffer.h> #include <linux/iio/common/st_sensors.h> @@ -31,34 +25,12 @@ int st_magn_trig_set_state(struct iio_trigger *trig, bool state) static int st_magn_buffer_postenable(struct iio_dev *indio_dev) { - int err; - - err = iio_triggered_buffer_postenable(indio_dev); - if (err < 0) - return err; - - err = st_sensors_set_enable(indio_dev, true); - if (err < 0) - goto st_magn_buffer_predisable; - - return 0; - -st_magn_buffer_predisable: - iio_triggered_buffer_predisable(indio_dev); - return err; + return st_sensors_set_enable(indio_dev, true); } static int st_magn_buffer_predisable(struct iio_dev *indio_dev) { - int err, err2; - - err = st_sensors_set_enable(indio_dev, false); - - err2 = iio_triggered_buffer_predisable(indio_dev); - if (!err) - err = err2; - - return err; + return st_sensors_set_enable(indio_dev, false); } static const struct iio_buffer_setup_ops st_magn_buffer_setup_ops = { @@ -68,15 +40,7 @@ static const struct iio_buffer_setup_ops st_magn_buffer_setup_ops = { int st_magn_allocate_ring(struct iio_dev *indio_dev) { - return iio_triggered_buffer_setup(indio_dev, NULL, - &st_sensors_trigger_handler, &st_magn_buffer_setup_ops); -} - -void st_magn_deallocate_ring(struct iio_dev *indio_dev) -{ - iio_triggered_buffer_cleanup(indio_dev); + return devm_iio_triggered_buffer_setup(indio_dev->dev.parent, indio_dev, + NULL, &st_sensors_trigger_handler, &st_magn_buffer_setup_ops); } -MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); -MODULE_DESCRIPTION("STMicroelectronics magnetometers buffer"); -MODULE_LICENSE("GPL v2"); |