diff options
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio | 26 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-isl29501 | 47 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-light-si1133 | 22 |
3 files changed, 93 insertions, 2 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 731146c3b138..a5b4f223641d 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -197,6 +197,18 @@ Description: Angle of rotation. Units after application of scale and offset are radians. +What: /sys/bus/iio/devices/iio:deviceX/in_positionrelative_x_raw +What: /sys/bus/iio/devices/iio:deviceX/in_positionrelative_y_raw +KernelVersion: 4.18 +Contact: linux-iio@vger.kernel.org +Description: + Relative position in direction x or y on a pad (may be + arbitrarily assigned but should match other such assignments on + device). + Units after application of scale and offset are milli percents + from the pad's size in both directions. Should be calibrated by + the consumer. + 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 @@ -1295,13 +1307,16 @@ What: /sys/.../iio:deviceX/in_intensityY_raw What: /sys/.../iio:deviceX/in_intensityY_ir_raw What: /sys/.../iio:deviceX/in_intensityY_both_raw What: /sys/.../iio:deviceX/in_intensityY_uv_raw +What: /sys/.../iio:deviceX/in_intensityY_duv_raw KernelVersion: 3.4 Contact: linux-iio@vger.kernel.org Description: Unit-less light intensity. Modifiers both and ir indicate that measurements contain visible and infrared light - components or just infrared light, respectively. Modifier uv indicates - that measurements contain ultraviolet light components. + components or just infrared light, respectively. Modifier + uv indicates that measurements contain ultraviolet light + components. Modifier duv indicates that measurements + contain deep ultraviolet light components. What: /sys/.../iio:deviceX/in_uvindex_input KernelVersion: 4.6 @@ -1663,3 +1678,10 @@ KernelVersion: 4.12 Contact: linux-iio@vger.kernel.org Description: Raw counter device counters direction for channel Y. + +What: /sys/bus/iio/devices/iio:deviceX/in_phaseY_raw +KernelVersion: 4.18 +Contact: linux-iio@vger.kernel.org +Description: + Raw (unscaled) phase difference reading from channel Y + that can be processed to radians.
\ No newline at end of file diff --git a/Documentation/ABI/testing/sysfs-bus-iio-isl29501 b/Documentation/ABI/testing/sysfs-bus-iio-isl29501 new file mode 100644 index 000000000000..d009cfbbd72b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-isl29501 @@ -0,0 +1,47 @@ +What: /sys/bus/iio/devices/iio:deviceX/in_proximity0_agc_gain +What: /sys/bus/iio/devices/iio:deviceX/in_proximity0_agc_gain_bias +KernelVersion: 4.18 +Contact: linux-iio@vger.kernel.org +Description: + This sensor has an automatic gain control (agc) loop + which sets the analog signal levels at an optimum + level by controlling programmable gain amplifiers. The + criteria for optimal gain is determined by the sensor. + + Return the actual gain value as an integer in [0; 65536] + range when read from. + + The agc gain read when measuring crosstalk shall be + written into in_proximity0_agc_gain_bias. + +What: /sys/bus/iio/devices/iio:deviceX/in_proximity0_calib_phase_temp_a +What: /sys/bus/iio/devices/iio:deviceX/in_proximity0_calib_phase_temp_b +What: /sys/bus/iio/devices/iio:deviceX/in_proximity0_calib_phase_light_a +What: /sys/bus/iio/devices/iio:deviceX/in_proximity0_calib_phase_light_b +KernelVersion: 4.18 +Contact: linux-iio@vger.kernel.org +Description: + The sensor is able to perform correction of distance + measurements due to changing temperature and ambient + light conditions. It can be programmed to correct for + a second order error polynomial. + + Phase data has to be collected when temperature and + ambient light are modulated independently. + + Then a least squares curve fit to a second order + polynomial has to be generated from the data. The + resultant curves have the form ax^2 + bx + c. + + From those two curves, a and b coefficients shall be + stored in in_proximity0_calib_phase_temp_a and + in_proximity0_calib_phase_temp_b for temperature and + in in_proximity0_calib_phase_light_a and + in_proximity0_calib_phase_light_b for ambient light. + + Those values must be integer in [0; 8355840] range. + + Finally, the c constant is set by the sensor + internally. + + The value stored in sensor is displayed when read from. diff --git a/Documentation/ABI/testing/sysfs-bus-iio-light-si1133 b/Documentation/ABI/testing/sysfs-bus-iio-light-si1133 new file mode 100644 index 000000000000..6f130cdb26a6 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-light-si1133 @@ -0,0 +1,22 @@ +What: /sys/bus/iio/devices/iio:deviceX/in_intensity_ir_small_raw +KernelVersion: 4.18 +Contact: linux-iio@vger.kernel.org +Description: + Unit-less infrared intensity. The intensity is measured from 1 + dark photodiode. "small" indicate the surface area capturing + infrared. + +What: /sys/bus/iio/devices/iio:deviceX/in_intensity_ir_large_raw +KernelVersion: 4.18 +Contact: linux-iio@vger.kernel.org +Description: + Unit-less infrared intensity. The intensity is measured from 4 + dark photodiodes. "large" indicate the surface area capturing + infrared. + +What: /sys/bus/iio/devices/iio:deviceX/in_intensity_large_raw +KernelVersion: 4.18 +Contact: linux-iio@vger.kernel.org +Description: + Unit-less light intensity with more diodes. + |