On 07/05/17 11:24, Song Hongyan wrote: > Geomagnetic orientation(AM) sensor is one kind of orientation 6dof sensor. > It gives the device rotation in respect to the earth center and the > magnetic north. The sensor is implemented through use of an accelerometer > and magnetometer do not use gyroscope. It is a standard HID sensor. > > More information can be found in: > http://www.usb.org/developers/hidpage/HUTRR59_-_Usages_for_Wearables.pdf > > Geomagnetic orientation(AM) sensor and dev rotation sensor have same > channel and share channel usage id. So the most of the code for relative > orientation sensor can be reused. > > Signed-off-by: Song Hongyan <hongyan.song@xxxxxxxxx> Applied to the togreg branch of iio.git and pushed out as testing for the autobuilders to play with it. Thanks, Jonathan > --- > drivers/iio/orientation/hid-sensor-rotation.c | 7 +++++++ > include/linux/hid-sensor-ids.h | 1 + > 2 files changed, 8 insertions(+) > > diff --git a/drivers/iio/orientation/hid-sensor-rotation.c b/drivers/iio/orientation/hid-sensor-rotation.c > index 4d953c2..60d3517 100644 > --- a/drivers/iio/orientation/hid-sensor-rotation.c > +++ b/drivers/iio/orientation/hid-sensor-rotation.c > @@ -241,6 +241,9 @@ static int hid_dev_rot_probe(struct platform_device *pdev) > case HID_USAGE_SENSOR_RELATIVE_ORIENTATION: > name = "relative_orientation"; > break; > + case HID_USAGE_SENSOR_GEOMAGNETIC_ORIENTATION: > + name = "geomagnetic_orientation"; > + break; > default: > return -EINVAL; > } > @@ -339,6 +342,10 @@ static int hid_dev_rot_remove(struct platform_device *pdev) > /* Relative orientation(AG) sensor */ > .name = "HID-SENSOR-20008e", > }, > + { > + /* Geomagnetic orientation(AM) sensor */ > + .name = "HID-SENSOR-2000c1", > + }, > { /* sentinel */ } > }; > MODULE_DEVICE_TABLE(platform, hid_dev_rot_ids); > diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h > index b61b985..4fc47e5 100644 > --- a/include/linux/hid-sensor-ids.h > +++ b/include/linux/hid-sensor-ids.h > @@ -83,6 +83,7 @@ > > #define HID_USAGE_SENSOR_DEVICE_ORIENTATION 0x20008A > #define HID_USAGE_SENSOR_RELATIVE_ORIENTATION 0x20008E > +#define HID_USAGE_SENSOR_GEOMAGNETIC_ORIENTATION 0x2000C1 > #define HID_USAGE_SENSOR_ORIENT_ROTATION_MATRIX 0x200482 > #define HID_USAGE_SENSOR_ORIENT_QUATERNION 0x200483 > #define HID_USAGE_SENSOR_ORIENT_MAGN_FLUX 0x200484 > -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
