diff options
| author | Song Hongyan <hongyan.song@intel.com> | 2017-01-05 18:24:03 +0800 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2017-01-05 13:02:25 +0000 |
| commit | 571299d099dcce0ff32c76e70e32e0ba01e55adc (patch) | |
| tree | d87c5dd7ec05883775286ca288757701359b563d | |
| parent | b257c1a45e9967ad84f9c5d40e657074d979ce70 (diff) | |
iio: Add channel for Gravity
Add new channel types support for gravity sensor.
Gravity sensor provides an application-level or physical collection that
identifies a device that measures exclusively the force of Earth's
gravity along any number of axes.
More information can be found in:
http://www.usb.org/developers/hidpage/HUTRR59_-_Usages_for_Wearables.pdf
Signed-off-by: Song Hongyan <hongyan.song@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio | 10 | ||||
| -rw-r--r-- | drivers/iio/industrialio-core.c | 1 | ||||
| -rw-r--r-- | include/uapi/linux/iio/types.h | 1 | ||||
| -rw-r--r-- | tools/iio/iio_event_monitor.c | 2 |
4 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index cfd53dba24c4..8ec362bd5948 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -170,6 +170,16 @@ Description: Has all of the equivalent parameters as per voltageY. Units after application of scale and offset are m/s^2. +What: /sys/bus/iio/devices/iio:deviceX/in_gravity_x_raw +What: /sys/bus/iio/devices/iio:deviceX/in_gravity_y_raw +What: /sys/bus/iio/devices/iio:deviceX/in_gravity_z_raw +KernelVersion: 4.11 +Contact: linux-iio@vger.kernel.org +Description: + Gravity in direction x, y or z (may be arbitrarily assigned + but should match other such assignments on device). + Units after application of scale and offset are m/s^2. + What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_raw What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_raw What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_raw diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index aaca42862389..c601698e0910 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -83,6 +83,7 @@ static const char * const iio_chan_type_name_spec[] = { [IIO_ELECTRICALCONDUCTIVITY] = "electricalconductivity", [IIO_COUNT] = "count", [IIO_INDEX] = "index", + [IIO_GRAVITY] = "gravity", }; static const char * const iio_modifier_names[] = { diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h index e54d14a7f876..ffafd6c25a48 100644 --- a/include/uapi/linux/iio/types.h +++ b/include/uapi/linux/iio/types.h @@ -42,6 +42,7 @@ enum iio_chan_type { IIO_ELECTRICALCONDUCTIVITY, IIO_COUNT, IIO_INDEX, + IIO_GRAVITY, }; enum iio_modifier { diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c index d9b7e0f306c6..b61245e1181d 100644 --- a/tools/iio/iio_event_monitor.c +++ b/tools/iio/iio_event_monitor.c @@ -57,6 +57,7 @@ static const char * const iio_chan_type_name_spec[] = { [IIO_RESISTANCE] = "resistance", [IIO_PH] = "ph", [IIO_UVINDEX] = "uvindex", + [IIO_GRAVITY] = "gravity", }; static const char * const iio_ev_type_text[] = { @@ -149,6 +150,7 @@ static bool event_is_known(struct iio_event_data *event) case IIO_RESISTANCE: case IIO_PH: case IIO_UVINDEX: + case IIO_GRAVITY: break; default: return false; |