On 09/10/14 13:39, Daniel Baluta wrote:
> From: Irina Tirdea <[email protected]>
>
> 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: Irina Tirdea <[email protected]>
> Signed-off-by: Daniel Baluta <[email protected]>
Happy with this one.
J
> ---
> drivers/iio/industrialio-event.c | 12 +++++++++---
> include/linux/iio/types.h | 1 +
> 2 files changed, 10 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/iio/industrialio-event.c
> b/drivers/iio/industrialio-event.c
> index afcf154..a9c9f34 100644
> --- a/drivers/iio/industrialio-event.c
> +++ b/drivers/iio/industrialio-event.c
> @@ -328,9 +328,15 @@ 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;
> - postfix = kasprintf(GFP_KERNEL, "%s_%s_%s",
> - iio_ev_type_text[type], iio_ev_dir_text[dir],
> - iio_ev_info_text[i]);
> + 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_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;
>
> diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h
> index a08ee6c..9a1cc01 100644
> --- a/include/linux/iio/types.h
> +++ b/include/linux/iio/types.h
> @@ -87,6 +87,7 @@ 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
>
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