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charset="utf-8" Add ABI documentation for the ADL8113 Low Noise Amplifier, covering the 4 pin-selectable operating modes. Signed-off-by: Antoniu Miclaus --- Changes in v2: - Enhance external_bypass_a mode description: clarify signal routing from R= FIN to OUT_A and from IN_A to RFOUT - Enhance external_bypass_b mode description: clarify signal routing from R= FIN to OUT_B and from IN_B to RFOUT .../testing/sysfs-bus-iio-amplifiers-adl8113 | 32 +++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-amplifiers-adl8= 113 diff --git a/Documentation/ABI/testing/sysfs-bus-iio-amplifiers-adl8113 b/D= ocumentation/ABI/testing/sysfs-bus-iio-amplifiers-adl8113 new file mode 100644 index 000000000000..6e3994283a45 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-amplifiers-adl8113 @@ -0,0 +1,32 @@ +What: /sys/bus/iio/devices/iio:deviceX/mode +Date: January 2025 +KernelVersion: 6.14 +Contact: linux-iio@vger.kernel.org +Description: + This attribute allows the user to set the operation mode of the + ADL8113 Low Noise Amplifier. The available modes control signal + routing through different paths within the device. + + The supported modes are: + + * internal_amplifier - Signal passes through the internal low + noise amplifier (VA=3D0, VB=3D0). Provides 14dB gain. + + * internal_bypass - Signal bypasses through internal bypass path + (VA=3D1, VB=3D1). Provides 0dB gain. + + * external_bypass_a - Signal routes from RFIN to OUT_A and from IN_A to = RFOUT + (VA=3D0, VB=3D1). Provides 0dB gain. + + * external_bypass_b - Signal routes from RFIN to OUT_B and from IN_B to = RFOUT + (VA=3D1, VB=3D0). Provides 0dB gain. + +What: /sys/bus/iio/devices/iio:deviceX/mode_available +Date: January 2025 +KernelVersion: 6.14 +Contact: linux-iio@vger.kernel.org +Description: + Reading this attribute returns a space-separated list of all + available operation modes for the ADL8113 device. The modes + control the signal path and determine whether the signal passes + through the internal amplifier or various bypass paths. --=20 2.43.0