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include: linux: iio: add IIO_ATTR_{RO, WO, RW} and IIO_DEVICE_ATTR_{RO, WO, RW} macros 

Add new macros: IIO_ATTR_RO, IIO_ATTR_WO, IIO_ATTR_RW,
IIO_DEVICE_ATTR_RO, IIO_DEVICE_ATTR_WO and IIO_DEVICE_ATTR_RW to reduce
the amount of boiler plate code that is needed for creating new
attributes. This mimics the *_RO, *_WO, and *_RW macros that are found
in include/linux/device.h and include/linux/sysfs.h.

Signed-off-by: Brian Masney <masneyb@onstation.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Brian Masney 2016-09-26 20:20:16 -04:00 committed by Jonathan Cameron
parent a9a0d64a8b
commit f3b0deea89
1 changed files with 24 additions and 0 deletions
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24
include/linux/iio/sysfs.h
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@ -55,10 +55,34 @@ struct iio_const_attr {
{ .dev_attr = __ATTR(_name, _mode, _show, _store), \
.address = _addr }
#define IIO_ATTR_RO(_name, _addr) \
{ .dev_attr = __ATTR_RO(_name), \
.address = _addr }
#define IIO_ATTR_WO(_name, _addr) \
{ .dev_attr = __ATTR_WO(_name), \
.address = _addr }
#define IIO_ATTR_RW(_name, _addr) \
{ .dev_attr = __ATTR_RW(_name), \
.address = _addr }
#define IIO_DEVICE_ATTR(_name, _mode, _show, _store, _addr) \
struct iio_dev_attr iio_dev_attr_##_name \
= IIO_ATTR(_name, _mode, _show, _store, _addr)
#define IIO_DEVICE_ATTR_RO(_name, _addr) \
struct iio_dev_attr iio_dev_attr_##_name \
= IIO_ATTR_RO(_name, _addr)
#define IIO_DEVICE_ATTR_WO(_name, _addr) \
struct iio_dev_attr iio_dev_attr_##_name \
= IIO_ATTR_WO(_name, _addr)
#define IIO_DEVICE_ATTR_RW(_name, _addr) \
struct iio_dev_attr iio_dev_attr_##_name \
= IIO_ATTR_RW(_name, _addr)
#define IIO_DEVICE_ATTR_NAMED(_vname, _name, _mode, _show, _store, _addr) \
struct iio_dev_attr iio_dev_attr_##_vname \
= IIO_ATTR(_name, _mode, _show, _store, _addr)