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authorLars-Peter Clausen <lars@metafoo.de>2020-05-25 14:38:53 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2020-06-20 17:34:44 +0100
commitf11d59d87b8622d4cf9f856c0b8029fb030d8612 (patch)
tree249450dfe73731ab943e918cd5ed5ddd6c66c28b /drivers/iio/iio_core_trigger.h
parent044d406a8490ea6a4e1a06ccb94090c8a0951d3c (diff)
downloadlinux-f11d59d87b8622d4cf9f856c0b8029fb030d8612.tar.bz2
iio: Move attach/detach of the poll func to the core
All devices using a triggered buffer need to attach and detach the trigger to the device in order to properly work. Instead of doing this in each and every driver by hand move this into the core. At this point in time, all drivers should have been resolved to attach/detach the poll-function in the same order. This patch removes all explicit calls of iio_triggered_buffer_postenable() & iio_triggered_buffer_predisable() in all drivers, since the core handles now the pollfunc attach/detach. The more peculiar change is for the 'at91-sama5d2_adc' driver, since it's not immediately obvious that removing the hooks doesn't break anything. Eugen was able to test on at91-sama5d2-adc driver, sama5d2-xplained board. All seems to be fine. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Tested-by: Eugen Hristev <eugen.hristev@microchip.com> #for at91-sama5d2-adc Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/iio_core_trigger.h')
-rw-r--r--drivers/iio/iio_core_trigger.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/iio/iio_core_trigger.h b/drivers/iio/iio_core_trigger.h
index e59fe2f36bbb..9d1a92cc6480 100644
--- a/drivers/iio/iio_core_trigger.h
+++ b/drivers/iio/iio_core_trigger.h
@@ -18,6 +18,12 @@ void iio_device_register_trigger_consumer(struct iio_dev *indio_dev);
**/
void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev);
+
+int iio_trigger_attach_poll_func(struct iio_trigger *trig,
+ struct iio_poll_func *pf);
+int iio_trigger_detach_poll_func(struct iio_trigger *trig,
+ struct iio_poll_func *pf);
+
#else
/**
@@ -37,4 +43,15 @@ static void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev)
{
}
+static inline int iio_trigger_attach_poll_func(struct iio_trigger *trig,
+ struct iio_poll_func *pf)
+{
+ return 0;
+}
+static inline int iio_trigger_detach_poll_func(struct iio_trigger *trig,
+ struct iio_poll_func *pf)
+{
+ return 0;
+}
+
#endif /* CONFIG_TRIGGER_CONSUMER */