1 What: /sys/bus/iio/devices/iio:deviceX/in_proximity<id>_setup 2 Date: November 2021 3 KernelVersion: 5.17 4 Contact: Gwendal Grignou <gwendal@chromium.org> 5 Description: 6 SX9324 has 3 inputs, CS0, CS1 and CS2. Hardware layout 7 defines if the input is 8 9 + not connected (HZ), 10 + grounded (GD), 11 + connected to an antenna where it can act as a base 12 (DS - data shield), or measured input (MI). 13 14 The sensor rotates measurement across 4 phases 15 (PH0, PH1, PH2, PH3), where the inputs are configured 16 and then measured. 17 18 By default, during the first phase, [PH0], CS0 is measured, 19 while CS1 and CS2 are used as shields. 20 `cat in_proximity0_setup` returns "MI,DS,DS". 21 [PH1], CS1 is measured, CS0 and CS2 are shield: 22 `cat in_proximity1_setup` returns "DS,MI,DS". 23 [PH2], CS2 is measured, CS0 and CS1 are shield: 24 `cat in_proximity1_setup` returns "DS,DS,MI". 25 [PH3], CS1 and CS2 are measured (combo mode): 26 `cat in_proximity1_setup` returns "DS,MI,MI". 27 28 Note, these are the chip default. Hardware layout will most 29 likely dictate different output. The entry is read-only.
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