diff options
Diffstat (limited to 'drivers/staging/iio/trigger.h')
| -rw-r--r-- | drivers/staging/iio/trigger.h | 52 |
1 files changed, 28 insertions, 24 deletions
diff --git a/drivers/staging/iio/trigger.h b/drivers/staging/iio/trigger.h index f329fe10fa2f..e0b58ed749b8 100644 --- a/drivers/staging/iio/trigger.h +++ b/drivers/staging/iio/trigger.h @@ -29,6 +29,8 @@ struct iio_subirq { * @set_trigger_state: [DRIVER] switch on/off the trigger on demand * @try_reenable: function to reenable the trigger when the * use count is zero (may be NULL) + * @validate_device: function to validate the device when the + * current trigger gets changed. * @subirq_chip: [INTERN] associate 'virtual' irq chip. * @subirq_base: [INTERN] base number for irqs provided by trigger. * @subirqs: [INTERN] information about the 'child' irqs. @@ -48,6 +50,8 @@ struct iio_trigger { int (*set_trigger_state)(struct iio_trigger *trig, bool state); int (*try_reenable)(struct iio_trigger *trig); + int (*validate_device)(struct iio_trigger *trig, + struct iio_dev *indio_dev); struct irq_chip subirq_chip; int subirq_base; @@ -57,6 +61,30 @@ struct iio_trigger { struct mutex pool_lock; }; +/** + * struct iio_poll_func - poll function pair + * + * @private_data: data specific to device (passed into poll func) + * @h: the function that is actually run on trigger + * @thread: threaded interrupt part + * @type: the type of interrupt (basically if oneshot) + * @name: name used to identify the trigger consumer. + * @irq: the corresponding irq as allocated from the + * trigger pool + * @timestamp: some devices need a timestamp grabbed as soon + * as possible after the trigger - hence handler + * passes it via here. + **/ +struct iio_poll_func { + void *private_data; + irqreturn_t (*h)(int irq, void *p); + irqreturn_t (*thread)(int irq, void *p); + int type; + char *name; + int irq; + s64 timestamp; +}; + static inline struct iio_trigger *to_iio_trigger(struct device *d) { return container_of(d, struct iio_trigger, dev); @@ -136,30 +164,6 @@ static inline void iio_trigger_put_irq(struct iio_trigger *trig, int irq) mutex_unlock(&trig->pool_lock); }; -/** - * struct iio_poll_func - poll function pair - * - * @private_data: data specific to device (passed into poll func) - * @h: the function that is actually run on trigger - * @thread: threaded interrupt part - * @type: the type of interrupt (basically if oneshot) - * @name: name used to identify the trigger consumer. - * @irq: the corresponding irq as allocated from the - * trigger pool - * @timestamp: some devices need a timestamp grabbed as soon - * as possible after the trigger - hence handler - * passes it via here. - **/ -struct iio_poll_func { - void *private_data; - irqreturn_t (*h)(int irq, void *p); - irqreturn_t (*thread)(int irq, void *p); - int type; - char *name; - int irq; - s64 timestamp; -}; - struct iio_poll_func *iio_alloc_pollfunc(irqreturn_t (*h)(int irq, void *p), irqreturn_t (*thread)(int irq, void *p), |