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| author | Giuseppe Barba <giuseppe.barba@st.com> | 2015-07-21 10:35:43 +0200 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2015-07-23 20:43:13 +0100 |
| commit | 74f5683f35fe6feae33b96815c1d40f13468d614 (patch) | |
| tree | c61d0e3f3e7455cf5542bcb7cb14b7f667ac5457 /drivers/iio/magnetometer | |
| parent | bb602f8c61e289389e7c2af1b577303a841f6d34 (diff) | |
| download | linux-74f5683f35fe6feae33b96815c1d40f13468d614.tar.gz linux-74f5683f35fe6feae33b96815c1d40f13468d614.tar.bz2 linux-74f5683f35fe6feae33b96815c1d40f13468d614.zip | |
iio: st_magn: Add irq trigger handling
Add irq trigger handling for magnetometer also
Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
Acked-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/magnetometer')
| -rw-r--r-- | drivers/iio/magnetometer/st_magn.h | 2 | ||||
| -rw-r--r-- | drivers/iio/magnetometer/st_magn_buffer.c | 7 | ||||
| -rw-r--r-- | drivers/iio/magnetometer/st_magn_core.c | 13 |
3 files changed, 21 insertions, 1 deletions
diff --git a/drivers/iio/magnetometer/st_magn.h b/drivers/iio/magnetometer/st_magn.h index 287691ca56c1..604410236d99 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 bf427dc0d226..ecd3bd0a9769 100644 --- a/drivers/iio/magnetometer/st_magn_buffer.c +++ b/drivers/iio/magnetometer/st_magn_buffer.c @@ -23,6 +23,13 @@ #include <linux/iio/common/st_sensors.h> #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 8d7d3a172874..4c0cef865517 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; } |