diff options
| author | Jonathan Cameron <jic23@cam.ac.uk> | 2010-07-11 16:39:09 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-07-22 11:38:27 -0700 |
| commit | 15744090c5ad3ed404a541bdec6f4f9ae1996fc9 (patch) | |
| tree | b74883d12de89db0f7d3d3ba4c800e3889df3785 /drivers/staging/iio/industrialio-trigger.c | |
| parent | 3c9bbf58b2a7e9099343d36a2c0b206f8c2450df (diff) | |
staging: iio: Add and convert drivers to use iio_alloc_pollfunc
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Barry Song <21cnbao@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/iio/industrialio-trigger.c')
| -rw-r--r-- | drivers/staging/iio/industrialio-trigger.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/staging/iio/industrialio-trigger.c b/drivers/staging/iio/industrialio-trigger.c index 92e6006622d..ea97e110e62 100644 --- a/drivers/staging/iio/industrialio-trigger.c +++ b/drivers/staging/iio/industrialio-trigger.c @@ -398,3 +398,16 @@ int iio_device_unregister_trigger_consumer(struct iio_dev *dev_info) } EXPORT_SYMBOL(iio_device_unregister_trigger_consumer); +int iio_alloc_pollfunc(struct iio_dev *indio_dev, + void (*immediate)(struct iio_dev *indio_dev), + void (*main)(struct iio_dev *private_data)) +{ + indio_dev->pollfunc = kzalloc(sizeof(*indio_dev->pollfunc), GFP_KERNEL); + if (indio_dev->pollfunc == NULL) + return -ENOMEM; + indio_dev->pollfunc->poll_func_immediate = immediate; + indio_dev->pollfunc->poll_func_main = main; + indio_dev->pollfunc->private_data = indio_dev; + return 0; +} +EXPORT_SYMBOL(iio_alloc_pollfunc); |