linux-kernel - [PATCH v5 1/2] iio: introduce the FAULT event type

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Message-Id: <20250127-ad4111_openwire-v5-1-ef2db05c384f@baylibre.com>
Date: Mon, 27 Jan 2025 14:59:32 +0100
From: Guillaume Ranquet <granquet@...libre.com>
To: Lars-Peter Clausen <lars@...afoo.de>, 
 Michael Hennerich <Michael.Hennerich@...log.com>, 
 Jonathan Cameron <jic23@...nel.org>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Guillaume Ranquet <granquet@...libre.com>, Nuno Sa <nuno.sa@...log.com>
Subject: [PATCH v5 1/2] iio: introduce the FAULT event type

Add a new event type to describe an hardware failure.

Reviewed-by: Nuno Sa <nuno.sa@...log.com>
Signed-off-by: Guillaume Ranquet <granquet@...libre.com>
---
 drivers/iio/industrialio-event.c | 2 ++
 include/uapi/linux/iio/types.h   | 2 ++
 tools/iio/iio_event_monitor.c    | 4 ++++
 3 files changed, 8 insertions(+)

diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c
index db06501b0e61..06295cfc2da8 100644
--- a/drivers/iio/industrialio-event.c
+++ b/drivers/iio/industrialio-event.c
@@ -232,6 +232,7 @@ static const char * const iio_ev_type_text[] = {
 	[IIO_EV_TYPE_CHANGE] = "change",
 	[IIO_EV_TYPE_MAG_REFERENCED] = "mag_referenced",
 	[IIO_EV_TYPE_GESTURE] = "gesture",
+	[IIO_EV_TYPE_FAULT] = "fault",
 };
 
 static const char * const iio_ev_dir_text[] = {
@@ -240,6 +241,7 @@ static const char * const iio_ev_dir_text[] = {
 	[IIO_EV_DIR_FALLING] = "falling",
 	[IIO_EV_DIR_SINGLETAP] = "singletap",
 	[IIO_EV_DIR_DOUBLETAP] = "doubletap",
+	[IIO_EV_DIR_FAULT_OPENWIRE] = "openwire",
 };
 
 static const char * const iio_ev_info_text[] = {
diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h
index 12886d4465e4..3eb0821af7a4 100644
--- a/include/uapi/linux/iio/types.h
+++ b/include/uapi/linux/iio/types.h
@@ -119,6 +119,7 @@ enum iio_event_type {
 	IIO_EV_TYPE_CHANGE,
 	IIO_EV_TYPE_MAG_REFERENCED,
 	IIO_EV_TYPE_GESTURE,
+	IIO_EV_TYPE_FAULT,
 };
 
 enum iio_event_direction {
@@ -128,6 +129,7 @@ enum iio_event_direction {
 	IIO_EV_DIR_NONE,
 	IIO_EV_DIR_SINGLETAP,
 	IIO_EV_DIR_DOUBLETAP,
+	IIO_EV_DIR_FAULT_OPENWIRE,
 };
 
 #endif /* _UAPI_IIO_TYPES_H_ */
diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c
index cccf62ea2b8f..eab7b082f19d 100644
--- a/tools/iio/iio_event_monitor.c
+++ b/tools/iio/iio_event_monitor.c
@@ -75,6 +75,7 @@ static const char * const iio_ev_type_text[] = {
 	[IIO_EV_TYPE_CHANGE] = "change",
 	[IIO_EV_TYPE_MAG_REFERENCED] = "mag_referenced",
 	[IIO_EV_TYPE_GESTURE] = "gesture",
+	[IIO_EV_TYPE_FAULT] = "fault",
 };
 
 static const char * const iio_ev_dir_text[] = {
@@ -83,6 +84,7 @@ static const char * const iio_ev_dir_text[] = {
 	[IIO_EV_DIR_FALLING] = "falling",
 	[IIO_EV_DIR_SINGLETAP] = "singletap",
 	[IIO_EV_DIR_DOUBLETAP] = "doubletap",
+	[IIO_EV_DIR_FAULT_OPENWIRE] = "openwire",
 };
 
 static const char * const iio_modifier_names[] = {
@@ -249,6 +251,7 @@ static bool event_is_known(struct iio_event_data *event)
 	case IIO_EV_TYPE_MAG_ADAPTIVE:
 	case IIO_EV_TYPE_CHANGE:
 	case IIO_EV_TYPE_GESTURE:
+	case IIO_EV_TYPE_FAULT:
 		break;
 	default:
 		return false;
@@ -260,6 +263,7 @@ static bool event_is_known(struct iio_event_data *event)
 	case IIO_EV_DIR_FALLING:
 	case IIO_EV_DIR_SINGLETAP:
 	case IIO_EV_DIR_DOUBLETAP:
+	case IIO_EV_DIR_FAULT_OPENWIRE:
 	case IIO_EV_DIR_NONE:
 		break;
 	default:

-- 
2.47.1