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iio: Add channel type for attention

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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>
Link: https://patch.msgid.link/20241101-hpd-v3-3-e9c80b7c7164@chromium.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Ricardo Ribalda 2024-11-01 07:46:29 +00:00 committed by Jonathan Cameron
parent 9b20c3fe68
commit 9d2fe9cd02
4 changed files with 12 additions and 0 deletions
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8
Documentation/ABI/testing/sysfs-bus-iio
View File

@ -2363,3 +2363,11 @@ 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.

1
drivers/iio/industrialio-core.c
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@ -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[] = {

1
include/uapi/linux/iio/types.h
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@ -51,6 +51,7 @@ enum iio_chan_type {
IIO_DELTA_VELOCITY,
IIO_COLORTEMP,
IIO_CHROMATICITY,
IIO_ATTENTION,
};
enum iio_modifier {

2
tools/iio/iio_event_monitor.c
View File

@ -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;