[PATCH v2 0/7] iio: light: vcnl4000: Add features for vncl4040/4200

[Astrid Rost <astrid.rost@axis.com>]

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Add a more complete support for vncl4040 and vcnl4200, which allows to
change the distance of proximity detection and interrupt support for the
illumination sensor.

Proximity:
  - Interrupt support (new on vcnl4200).
  - Adaptable integration time (new on vcnl4200) - the sampling rate
    changes according to this value.
  - Debounce times - interrupt is asserted if the value is above or
    below a certain threshold.
  - Oversampling ratio - Amount of LED pulses per measurement.
  - Calibration bias - LED current calibration of the sensor.
Illumination:
  - Interrupt support.
  - Adaptable integration time - the sampling rate and scale changes
    according to this value.
  - Debounce times – interrupt is asserted if the value is above or
    below a certain threshold.

changes v2:
- [PATCH v2 3/7] Fixed calculation of al_scale.
  Fix the value of vcnl4040 according to the data-sheet.
  Use div_u64 for the division.

Astrid Rost (7):
  [PATCH v2 1/7] iio: light: vcnl4000: Add proximity irq for vcnl4200
  [PATCH v2 2/7] iio: light: vcnl4000: Add proximity ps_it for vcnl4200
  [PATCH v2 3/7] iio: light: vcnl4000: Add als_it for vcnl4040/4200
  [PATCH v2 4/7] iio: light: vcnl4000: add illumination irq vcnl4040/4200
  [PATCH v2 5/7] iio: light: vcnl4000: Add debounce count for vcnl4040/4200
  [PATCH v2 6/7] iio: light: vcnl4000: Add oversampling_ratio for 4040/4200
  [PATCH v2 7/7] iio: light: vcnl4000: Add calibration bias for 4040/4200

 drivers/iio/light/vcnl4000.c | 723 +++++++++++++++++++++++++++++++----
 1 file changed, 654 insertions(+), 69 deletions(-)

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2.30.2