From 74f5683f35fe6feae33b96815c1d40f13468d614 Mon Sep 17 00:00:00 2001 From: Giuseppe Barba Date: Tue, 21 Jul 2015 10:35:43 +0200 Subject: [PATCH] iio: st_magn: Add irq trigger handling Add irq trigger handling for magnetometer also Signed-off-by: Giuseppe Barba Acked-by: Denis Ciocca Signed-off-by: Jonathan Cameron --- drivers/iio/magnetometer/st_magn.h | 2 ++ drivers/iio/magnetometer/st_magn_buffer.c | 7 +++++++ drivers/iio/magnetometer/st_magn_core.c | 13 ++++++++++++- 3 files changed, 21 insertions(+), 1 deletion(-) diff --git a/drivers/iio/magnetometer/st_magn.h b/drivers/iio/magnetometer/st_magn.h index 287691c..60441023 100644 --- a/drivers/iio/magnetometer/st_magn.h +++ b/drivers/iio/magnetometer/st_magn.h @@ -25,6 +25,8 @@ void st_magn_common_remove(struct iio_dev *indio_dev); #ifdef CONFIG_IIO_BUFFER int st_magn_allocate_ring(struct iio_dev *indio_dev); void st_magn_deallocate_ring(struct iio_dev *indio_dev); +int st_magn_trig_set_state(struct iio_trigger *trig, bool state); +#define ST_MAGN_TRIGGER_SET_STATE (&st_magn_trig_set_state) #else /* CONFIG_IIO_BUFFER */ static inline int st_magn_probe_trigger(struct iio_dev *indio_dev, int irq) { diff --git a/drivers/iio/magnetometer/st_magn_buffer.c b/drivers/iio/magnetometer/st_magn_buffer.c index bf427dc..ecd3bd0 100644 --- a/drivers/iio/magnetometer/st_magn_buffer.c +++ b/drivers/iio/magnetometer/st_magn_buffer.c @@ -23,6 +23,13 @@ #include #include "st_magn.h" +int st_magn_trig_set_state(struct iio_trigger *trig, bool state) +{ + struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig); + + return st_sensors_set_dataready_irq(indio_dev, state); +} + static int st_magn_buffer_preenable(struct iio_dev *indio_dev) { return st_sensors_set_enable(indio_dev, true); diff --git a/drivers/iio/magnetometer/st_magn_core.c b/drivers/iio/magnetometer/st_magn_core.c index 8d7d3a1..4c0cef8 100644 --- a/drivers/iio/magnetometer/st_magn_core.c +++ b/drivers/iio/magnetometer/st_magn_core.c @@ -480,6 +480,16 @@ static const struct iio_info magn_info = { .write_raw = &st_magn_write_raw, }; +#ifdef CONFIG_IIO_TRIGGER +static const struct iio_trigger_ops st_magn_trigger_ops = { + .owner = THIS_MODULE, + .set_trigger_state = ST_MAGN_TRIGGER_SET_STATE, +}; +#define ST_MAGN_TRIGGER_OPS (&st_magn_trigger_ops) +#else +#define ST_MAGN_TRIGGER_OPS NULL +#endif + int st_magn_common_probe(struct iio_dev *indio_dev) { struct st_sensor_data *mdata = iio_priv(indio_dev); @@ -516,7 +526,8 @@ int st_magn_common_probe(struct iio_dev *indio_dev) return err; if (irq > 0) { - err = st_sensors_allocate_trigger(indio_dev, NULL); + err = st_sensors_allocate_trigger(indio_dev, + ST_MAGN_TRIGGER_OPS); if (err < 0) goto st_magn_probe_trigger_error; } -- 2.7.4