Messages in this thread Patch in this message |  | | From | Kim Seer Paller <> | | Date | Tue, 5 May 2026 12:34:31 +0800 | | Subject | [PATCH 1/2] iio: ABI: Add DAC 500ohm, 3.85kohm, and 16kohm powerdown modes |
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Add powerdown mode entries for DACs with 500 Ohm, 3.85 kOhm, and 16 kOhm resistor to ground output impedance states. These are used by the AD3531/AD3531R 4-channel DAC.
Signed-off-by: Kim Seer Paller <kimseer.paller@analog.com> --- Documentation/ABI/testing/sysfs-bus-iio | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 60dfeff8f2c9..925a33fd309a 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -764,10 +764,13 @@ Contact: linux-iio@vger.kernel.org Description: Specifies the output powerdown mode. DAC output stage is disconnected from the amplifier and + 500ohm_to_gnd: connected to ground via a 500Ohm resistor, 1kohm_to_gnd: connected to ground via an 1kOhm resistor, 2.5kohm_to_gnd: connected to ground via a 2.5kOhm resistor, + 3.85kohm_to_gnd: connected to ground via a 3.85kOhm resistor, 6kohm_to_gnd: connected to ground via a 6kOhm resistor, 7.7kohm_to_gnd: connected to ground via a 7.7kOhm resistor, + 16kohm_to_gnd: connected to ground via a 16kOhm resistor, 20kohm_to_gnd: connected to ground via a 20kOhm resistor, 32kohm_to_gnd: connected to ground via a 32kOhm resistor, 42kohm_to_gnd: connected to ground via a 42kOhm resistor, -- 2.34.1
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