include: linux: iio: add IIO_ATTR_{RO, WO, RW} and IIO_DEVICE_ATTR_{RO, WO, RW} macros (f3b0deea) · Commits · 戴 / test

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>

include/linux/iio/sysfs.h

+24 −0

Original line number	Diff line number	Diff line
		@@ -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)

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