iio: light: vcnl4000: Add calibration bias for 4040/4200

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The calibration bias is setting the LED current to change the detection
distance. Add read/write attribute for proximity calibration bias and
read attribute for available values. This is supported for vcnl4040 and
vcnl4200.

Signed-off-by: Astrid Rost <astrid.rost@axis.com>
Link: https://lore.kernel.org/r/20230613135025.2596641-9-astrid.rost@axis.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Astrid Rost 2023-06-13 15:50:24 +02:00 • committed by Jonathan Cameron

parent add9846676

commit bb33e75149

1 changed files with 91 additions and 2 deletions

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drivers/iio/light/vcnl4000.c

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