From: Jonathan Cameron Date: Sun, 14 Mar 2021 18:14:57 +0000 (+0000) Subject: iio:event: Add timeout event info type X-Git-Tag: accepted/tizen/unified/20230118.172025~7414^2~195^2~51 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=45b77828b01cdf2af655e4edbc63646fc7e07b48;p=platform%2Fkernel%2Flinux-rpi.git iio:event: Add timeout event info type For adaptive threshold events, the current value is compared with a (typically) low pass filtered version of the same signal that slowly tracks large scale changes. However, sometimes a step change can result in a large lag before the low pass filtered version begins to track the signal again. Timeouts can be used to made an instantaneous 'correction'. Documentation of this attribute is added in a later patch. Signed-off-by: Jonathan Cameron Reviewed-by: Alexandru Ardelean Link: https://lore.kernel.org/r/20210314181511.531414-11-jic23@kernel.org --- diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c index 1b3a15b..d0732ea 100644 --- a/drivers/iio/industrialio-event.c +++ b/drivers/iio/industrialio-event.c @@ -245,6 +245,7 @@ static const char * const iio_ev_info_text[] = { [IIO_EV_INFO_PERIOD] = "period", [IIO_EV_INFO_HIGH_PASS_FILTER_3DB] = "high_pass_filter_3db", [IIO_EV_INFO_LOW_PASS_FILTER_3DB] = "low_pass_filter_3db", + [IIO_EV_INFO_TIMEOUT] = "timeout", }; static enum iio_event_direction iio_ev_attr_dir(struct iio_dev_attr *attr) diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h index 5aa7f66..84b3f81 100644 --- a/include/linux/iio/types.h +++ b/include/linux/iio/types.h @@ -16,6 +16,7 @@ enum iio_event_info { IIO_EV_INFO_PERIOD, IIO_EV_INFO_HIGH_PASS_FILTER_3DB, IIO_EV_INFO_LOW_PASS_FILTER_3DB, + IIO_EV_INFO_TIMEOUT, }; #define IIO_VAL_INT 1