Messages in this thread Patch in this message | | | From | Alexandru Tachici <> | Subject | [PATCH v2 5/6] iio: accel: adxl372: add additional events ABIs | Date | Tue, 25 Feb 2020 14:09:08 +0200 |
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Adxl372 uses the standard event interface. The additional ABIs aim to explain to the user that the values set in ./events/thresh_falling_period and ./events/thresh_rising_period control the state of the device, not just the events timings.
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> --- drivers/iio/accel/adxl372.c | 26 +++++++++++++++++++++++++- 1 file changed, 25 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/accel/adxl372.c b/drivers/iio/accel/adxl372.c index e669eaaaa07e..9a7fa0d796f8 100644 --- a/drivers/iio/accel/adxl372.c +++ b/drivers/iio/accel/adxl372.c @@ -236,6 +236,29 @@ static const struct adxl372_axis_lookup adxl372_axis_lookup_table[] = { { BIT(0) | BIT(1) | BIT(2), ADXL372_XYZ_FIFO }, }; +static ssize_t adxl372_read_detect_event(struct iio_dev *indio_dev, uintptr_t p, + const struct iio_chan_spec *chan, + char *buf) +{ + return sprintf(buf, "%s", (const char *)p); +} + +static const struct iio_chan_spec_ext_info adxl372_ext_info[] = { + { + .name = "activity_detect_event", + .shared = IIO_SHARED_BY_ALL, + .read = adxl372_read_detect_event, + .private = (uintptr_t)"in_accel_thresh_x_rising\n", + }, + { + .name = "inactivity_detect_event", + .shared = IIO_SHARED_BY_ALL, + .read = adxl372_read_detect_event, + .private = (uintptr_t)"in_accel_thresh_x_falling\n", + }, + {}, +}; + static const struct iio_event_spec adxl372_events[] = { { .type = IIO_EV_TYPE_THRESH, @@ -267,7 +290,8 @@ static const struct iio_event_spec adxl372_events[] = { .shift = 4, \ }, \ .event_spec = adxl372_events, \ - .num_event_specs = 2 \ + .num_event_specs = 2, \ + .ext_info = adxl372_ext_info, \ } static const struct iio_chan_spec adxl372_channels[] = { -- 2.20.1
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