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- What: /sys/bus/iio/devices/iio:deviceX/in_proximity<id>_setup
- Date: November 2021
- KernelVersion: 5.17
- Contact: Gwendal Grignou <[email protected]>
- Description:
- SX9324 has 3 inputs, CS0, CS1 and CS2. Hardware layout
- defines if the input is
- + not connected (HZ),
- + grounded (GD),
- + connected to an antenna where it can act as a base
- (DS - data shield), or measured input (MI).
- The sensor rotates measurement across 4 phases
- (PH0, PH1, PH2, PH3), where the inputs are configured
- and then measured.
- By default, during the first phase, [PH0], CS0 is measured,
- while CS1 and CS2 are used as shields.
- `cat in_proximity0_setup` returns "MI,DS,DS".
- [PH1], CS1 is measured, CS0 and CS2 are shield:
- `cat in_proximity1_setup` returns "DS,MI,DS".
- [PH2], CS2 is measured, CS0 and CS1 are shield:
- `cat in_proximity1_setup` returns "DS,DS,MI".
- [PH3], CS1 and CS2 are measured (combo mode):
- `cat in_proximity1_setup` returns "DS,MI,MI".
- Note, these are the chip default. Hardware layout will most
- likely dictate different output. The entry is read-only.
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