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Commit 1843c2f3 authored by Irina Tirdea's avatar Irina Tirdea Committed by Jonathan Cameron
Browse files

iio: core: Introduce IIO_EV_DIR_NONE 



For some events (e.g.: step detector) a direction does not make sense.

Add IIO_EV_DIR_NONE to be used with such events and generate sysfs event
attributes that do not contain direction.

Signed-off-by: default avatarIrina Tirdea <irina.tirdea@intel.com>
Signed-off-by: default avatarDaniel Baluta <daniel.baluta@intel.com>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 55aebeb9

drivers/iio/industrialio-event.c

+9 −3
Original line number Diff line number Diff line
@@ -327,8 +327,14 @@ static int iio_device_add_event(struct iio_dev *indio_dev, 
	for_each_set_bit(i, mask, sizeof(*mask)*8) {

		if (i >= ARRAY_SIZE(iio_ev_info_text))

			return -EINVAL;

		if (dir != IIO_EV_DIR_NONE)

			postfix = kasprintf(GFP_KERNEL, "%s_%s_%s",

				iio_ev_type_text[type], iio_ev_dir_text[dir],

					iio_ev_type_text[type],

					iio_ev_dir_text[dir],

					iio_ev_info_text[i]);

		else

			postfix = kasprintf(GFP_KERNEL, "%s_%s",

					iio_ev_type_text[type],

					iio_ev_info_text[i]);

		if (postfix == NULL)

			return -ENOMEM;

include/linux/iio/types.h

+1 −0
Original line number Diff line number Diff line
@@ -86,6 +86,7 @@ enum iio_event_direction { 
	IIO_EV_DIR_EITHER,

	IIO_EV_DIR_RISING,

	IIO_EV_DIR_FALLING,

	IIO_EV_DIR_NONE,

};



#define IIO_VAL_INT 1