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[v3,3/5] iio: Add channel type for attention

Message ID 20241101-hpd-v3-3-e9c80b7c7164@chromium.org
State New
Headers show
Series iio: hid-sensors-prox: Add support for more channels | expand

Commit Message

Ricardo Ribalda Nov. 1, 2024, 7:46 a.m. UTC 
Add a new channel type representing if the user's attention state to the
the system. This usually means if the user is looking at the screen or
not.

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 Documentation/ABI/testing/sysfs-bus-iio | 8 ++++++++
 drivers/iio/industrialio-core.c         | 1 +
 include/uapi/linux/iio/types.h          | 1 +
 tools/iio/iio_event_monitor.c           | 2 ++
 4 files changed, 12 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 89943c2d54e8..ab546fe3fa36 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -2339,3 +2339,11 @@  KernelVersion:	6.10
 Contact:	linux-iio@vger.kernel.org
 Description:
 		The value of current sense resistor in Ohms.
+
+What:		/sys/.../iio:deviceX/in_attention_input
+KernelVersion:	6.13
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Value representing the user's attention to the system expressed
+		in units as percentage. This usually means if the user is
+		looking at the screen or not.
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 6a6568d4a2cb..bdfb51275b68 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -95,6 +95,7 @@  static const char * const iio_chan_type_name_spec[] = {
 	[IIO_DELTA_VELOCITY] = "deltavelocity",
 	[IIO_COLORTEMP] = "colortemp",
 	[IIO_CHROMATICITY] = "chromaticity",
+	[IIO_ATTENTION] = "attention",
 };
 
 static const char * const iio_modifier_names[] = {
diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h
index f2e0b2d50e6b..12886d4465e4 100644
--- a/include/uapi/linux/iio/types.h
+++ b/include/uapi/linux/iio/types.h
@@ -51,6 +51,7 @@  enum iio_chan_type {
 	IIO_DELTA_VELOCITY,
 	IIO_COLORTEMP,
 	IIO_CHROMATICITY,
+	IIO_ATTENTION,
 };
 
 enum iio_modifier {
diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c
index 8073c9e4fe46..ed9a677f1028 100644
--- a/tools/iio/iio_event_monitor.c
+++ b/tools/iio/iio_event_monitor.c
@@ -63,6 +63,7 @@  static const char * const iio_chan_type_name_spec[] = {
 	[IIO_DELTA_VELOCITY] = "deltavelocity",
 	[IIO_COLORTEMP] = "colortemp",
 	[IIO_CHROMATICITY] = "chromaticity",
+	[IIO_ATTENTION] = "attention",
 };
 
 static const char * const iio_ev_type_text[] = {
@@ -183,6 +184,7 @@  static bool event_is_known(struct iio_event_data *event)
 	case IIO_DELTA_VELOCITY:
 	case IIO_COLORTEMP:
 	case IIO_CHROMATICITY:
+	case IIO_ATTENTION:
 		break;
 	default:
 		return false;