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Message-ID: <53876477.7000503@kernel.org> Date: Thu, 29 May 2014 17:46:47 +0100 From: Jonathan Cameron <jic23@...nel.org> To: Reyad Attiyat <reyad.attiyat@...il.com>, linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org, srinivas.pandruvada@...ux.intel.com, linux-input@...r.kernel.org, jkosina@...e.cz Subject: Re: [PATCH 1/3] IIO: Add iio magn_north ABI documentation On 28/05/14 22:06, Reyad Attiyat wrote: > Update documentation for HID compass true/magnetic north sensor. > > Signed-off-by: Reyad Attiyat <reyad.attiyat@...il.com> > --- > Documentation/ABI/testing/sysfs-bus-iio | 76 +++++++++++++++++++++++++++++++++ > 1 file changed, 76 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio > index 6e02c50..0341b2f 100644 > --- a/Documentation/ABI/testing/sysfs-bus-iio > +++ b/Documentation/ABI/testing/sysfs-bus-iio > @@ -165,6 +165,10 @@ Description: > What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_raw > What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_raw > What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_raw Hmm. The question to my mind is whether people would expect a simple north to give them which direction north is? Also is it actually relevant whether they find north from a magnetometer or some other method? I wonder if we want to make these some sort of north referenced rotation? in_rot_from_true_north_raw in_rot_from_magnetic_north_raw Technically it is possible to get some direction information from some GPS receivers or to to maintain a knowledge of its location with good gyroscopes. Ultimately userspace doesn't care about it. When we were using the axial magnetic functions we were measuring the field magnitude in that direction. As I understand it here it is just an angle? J > +What: /sys/bus/iio/devices/iio:deviceX/in_magn_north_raw > +What: /sys/bus/iio/devices/iio:deviceX/in_magn_north_true_raw > +What: /sys/bus/iio/devices/iio:deviceX/in_magn_north_tilt_comp_raw > +What: /sys/bus/iio/devices/iio:deviceX/in_magn_north_true_tilt_comp_raw > KernelVersion: 2.6.35 > Contact: linux-iio@...r.kernel.org > Description: > @@ -249,6 +253,10 @@ What: /sys/bus/iio/devices/iio:deviceX/in_magn_scale > What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_scale > What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_scale > What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_scale > +What: /sys/bus/iio/devices/iio:deviceX/in_magn_north_scale > +What: /sys/bus/iio/devices/iio:deviceX/in_magn_north_true_scale > +What: /sys/bus/iio/devices/iio:deviceX/in_magn_north_tilt_comp_scale > +What: /sys/bus/iio/devices/iio:deviceX/in_magn_north_true_tilt_comp_scale > What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_scale > What: /sys/bus/iio/devices/iio:deviceX/in_pressure_scale > KernelVersion: 2.6.35 > @@ -436,6 +444,14 @@ What: /sys/.../iio:deviceX/events/in_magn_y_thresh_rising_en > What: /sys/.../iio:deviceX/events/in_magn_y_thresh_falling_en > What: /sys/.../iio:deviceX/events/in_magn_z_thresh_rising_en > What: /sys/.../iio:deviceX/events/in_magn_z_thresh_falling_en > +What: /sys/.../iio:deviceX/events/in_magn_north_thresh_rising_en > +What: /sys/.../iio:deviceX/events/in_magn_north_thresh_falling_en > +What: /sys/.../iio:deviceX/events/in_magn_north_true_thresh_rising_en > +What: /sys/.../iio:deviceX/events/in_magn_north_true_thresh_falling_en > +What: /sys/.../iio:deviceX/events/in_magn_north_tilt_comp_thresh_rising_en > +What: /sys/.../iio:deviceX/events/in_magn_north_tilt_comp_thresh_falling_en > +What: /sys/.../iio:deviceX/events/in_magn_north_true_tilt_comp_thresh_rising_en > +What: /sys/.../iio:deviceX/events/in_magn_north_true_tilt_comp_thresh_falling_en > What: /sys/.../iio:deviceX/events/in_voltageY_supply_thresh_rising_en > What: /sys/.../iio:deviceX/events/in_voltageY_supply_thresh_falling_en > What: /sys/.../iio:deviceX/events/in_voltageY_thresh_rising_en > @@ -481,6 +497,14 @@ What: /sys/.../iio:deviceX/events/in_magn_y_roc_rising_en > What: /sys/.../iio:deviceX/events/in_magn_y_roc_falling_en > What: /sys/.../iio:deviceX/events/in_magn_z_roc_rising_en > What: /sys/.../iio:deviceX/events/in_magn_z_roc_falling_en > +What: /sys/.../iio:deviceX/events/in_magn_north_roc_rising_en > +What: /sys/.../iio:deviceX/events/in_magn_north_roc_falling_en > +What: /sys/.../iio:deviceX/events/in_magn_north_true_roc_rising_en > +What: /sys/.../iio:deviceX/events/in_magn_north_true_roc_falling_en > +What: /sys/.../iio:deviceX/events/in_magn_north_tilt_comp_roc_rising_en > +What: /sys/.../iio:deviceX/events/in_magn_north_tilt_comp_roc_falling_en > +What: /sys/.../iio:deviceX/events/in_magn_north_true_tilt_comp_roc_rising_en > +What: /sys/.../iio:deviceX/events/in_magn_north_true_tilt_comp_roc_falling_en > What: /sys/.../iio:deviceX/events/in_voltageY_supply_roc_rising_en > What: /sys/.../iio:deviceX/events/in_voltageY_supply_roc_falling_en > What: /sys/.../iio:deviceX/events/in_voltageY_roc_rising_en > @@ -527,6 +551,14 @@ What: /sys/.../events/in_magn_y_raw_thresh_rising_value > What: /sys/.../events/in_magn_y_raw_thresh_falling_value > What: /sys/.../events/in_magn_z_raw_thresh_rising_value > What: /sys/.../events/in_magn_z_raw_thresh_falling_value > +What: /sys/.../events/in_magn_north_raw_thresh_rising_value > +What: /sys/.../events/in_magn_north_raw_thresh_falling_value > +What: /sys/.../events/in_magn_north_true_raw_thresh_rising_value > +What: /sys/.../events/in_magn_north_true_raw_thresh_falling_value > +What: /sys/.../events/in_magn_north_tilt_comp_raw_thresh_rising_value > +What: /sys/.../events/in_magn_north_tilt_comp_raw_thresh_falling_value > +What: /sys/.../events/in_magn_north_true_tilt_comp_raw_thresh_rising_value > +What: /sys/.../events/in_magn_north_true_tilt_comp_raw_thresh_falling_value > What: /sys/.../events/in_voltageY_supply_raw_thresh_rising_value > What: /sys/.../events/in_voltageY_supply_raw_thresh_falling_value > What: /sys/.../events/in_voltageY_raw_thresh_rising_value > @@ -577,6 +609,18 @@ What: /sys/.../events/in_magn_y_thresh_either_hysteresis > What: /sys/.../events/in_magn_z_thresh_rising_hysteresis > What: /sys/.../events/in_magn_z_thresh_falling_hysteresis > What: /sys/.../events/in_magn_z_thresh_either_hysteresis > +What: /sys/.../events/in_magn_north_thresh_rising_hysteresis > +What: /sys/.../events/in_magn_north_thresh_falling_hysteresis > +What: /sys/.../events/in_magn_north_thresh_either_hysteresis > +What: /sys/.../events/in_magn_north_true_thresh_rising_hysteresis > +What: /sys/.../events/in_magn_north_true_thresh_falling_hysteresis > +What: /sys/.../events/in_magn_north_true_thresh_either_hysteresis > +What: /sys/.../events/in_magn_north_tilt_comp_thresh_rising_hysteresis > +What: /sys/.../events/in_magn_north_tilt_comp_thresh_falling_hysteresis > +What: /sys/.../events/in_magn_north_tilt_comp_thresh_either_hysteresis > +What: /sys/.../events/in_magn_north_true_tilt_comp_thresh_rising_hysteresis > +What: /sys/.../events/in_magn_north_true_tilt_comp_thresh_falling_hysteresis > +What: /sys/.../events/in_magn_north_true_tilt_comp_thresh_either_hysteresis > What: /sys/.../events/in_voltageY_thresh_rising_hysteresis > What: /sys/.../events/in_voltageY_thresh_falling_hysteresis > What: /sys/.../events/in_voltageY_thresh_either_hysteresis > @@ -624,6 +668,14 @@ What: /sys/.../events/in_magn_y_raw_roc_rising_value > What: /sys/.../events/in_magn_y_raw_roc_falling_value > What: /sys/.../events/in_magn_z_raw_roc_rising_value > What: /sys/.../events/in_magn_z_raw_roc_falling_value > +What: /sys/.../events/in_magn_north_raw_roc_rising_value > +What: /sys/.../events/in_magn_north_raw_roc_falling_value > +What: /sys/.../events/in_magn_north_true_raw_roc_rising_value > +What: /sys/.../events/in_magn_north_true_raw_roc_falling_value > +What: /sys/.../events/in_magn_north_tilt_comp_raw_roc_rising_value > +What: /sys/.../events/in_magn_north_tilt_comp_raw_roc_falling_value > +What: /sys/.../events/in_magn_north_true_tilt_comp_raw_roc_rising_value > +What: /sys/.../events/in_magn_north_true_tilt_comp_raw_roc_falling_value > What: /sys/.../events/in_voltageY_supply_raw_roc_rising_value > What: /sys/.../events/in_voltageY_supply_raw_roc_falling_value > What: /sys/.../events/in_voltageY_raw_roc_rising_value > @@ -679,6 +731,22 @@ What: /sys/.../events/in_magn_z_thresh_rising_period > What: /sys/.../events/in_magn_z_thresh_falling_period > What: /sys/.../events/in_magn_z_roc_rising_period > What: /sys/.../events/in_magn_z_roc_falling_period > +What: /sys/.../events/in_magn_north_thresh_rising_period > +What: /sys/.../events/in_magn_north_thresh_falling_period > +What: /sys/.../events/in_magn_north_roc_rising_period > +What: /sys/.../events/in_magn_north_roc_falling_period > +What: /sys/.../events/in_magn_north_true_thresh_rising_period > +What: /sys/.../events/in_magn_north_true_thresh_falling_period > +What: /sys/.../events/in_magn_north_true_roc_rising_period > +What: /sys/.../events/in_magn_north_true_roc_falling_period > +What: /sys/.../events/in_magn_north_tilt_comp_thresh_rising_period > +What: /sys/.../events/in_magn_north_tilt_comp_thresh_falling_period > +What: /sys/.../events/in_magn_north_tilt_comp_roc_rising_period > +What: /sys/.../events/in_magn_north_tilt_comp_roc_falling_period > +What: /sys/.../events/in_magn_north_true_tilt_comp_thresh_rising_period > +What: /sys/.../events/in_magn_north_true_tilt_comp_thresh_falling_period > +What: /sys/.../events/in_magn_north_true_tilt_comp_roc_rising_period > +What: /sys/.../events/in_magn_north_true_tilt_comp_roc_falling_period > What: /sys/.../events/in_voltageY_supply_thresh_rising_period > What: /sys/.../events/in_voltageY_supply_thresh_falling_period > What: /sys/.../events/in_voltageY_supply_roc_rising_period > @@ -776,6 +844,10 @@ What: /sys/.../iio:deviceX/scan_elements/in_anglvel_z_en > What: /sys/.../iio:deviceX/scan_elements/in_magn_x_en > What: /sys/.../iio:deviceX/scan_elements/in_magn_y_en > What: /sys/.../iio:deviceX/scan_elements/in_magn_z_en > +What: /sys/.../iio:deviceX/scan_elements/in_magn_north_en > +What: /sys/.../iio:deviceX/scan_elements/in_magn_north_true_en > +What: /sys/.../iio:deviceX/scan_elements/in_magn_north_tilt_comp_en > +What: /sys/.../iio:deviceX/scan_elements/in_magn_north_true_tilt_comp_en > What: /sys/.../iio:deviceX/scan_elements/in_timestamp_en > What: /sys/.../iio:deviceX/scan_elements/in_voltageY_supply_en > What: /sys/.../iio:deviceX/scan_elements/in_voltageY_en > @@ -840,6 +912,10 @@ What: /sys/.../iio:deviceX/scan_elements/in_anglvel_z_index > What: /sys/.../iio:deviceX/scan_elements/in_magn_x_index > What: /sys/.../iio:deviceX/scan_elements/in_magn_y_index > What: /sys/.../iio:deviceX/scan_elements/in_magn_z_index > +What: /sys/.../iio:deviceX/scan_elements/in_magn_north_index > +What: /sys/.../iio:deviceX/scan_elements/in_magn_north_true_index > +What: /sys/.../iio:deviceX/scan_elements/in_magn_north_tilt_comp_index > +What: /sys/.../iio:deviceX/scan_elements/in_magn_north_true_tilt_comp_index > What: /sys/.../iio:deviceX/scan_elements/in_incli_x_index > What: /sys/.../iio:deviceX/scan_elements/in_incli_y_index > What: /sys/.../iio:deviceX/scan_elements/in_timestamp_index > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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