linux-stable/drivers/staging/iio/Documentation/sysfs-bus-iio-impedance-ana...

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What: /sys/bus/iio/devices/iio:deviceX/outY_freq_start
KernelVersion: 3.1.0
Contact: linux-iio@vger.kernel.org
Description:
Frequency sweep start frequency in Hz.
What: /sys/bus/iio/devices/iio:deviceX/outY_freq_increment
KernelVersion: 3.1.0
Contact: linux-iio@vger.kernel.org
Description:
Frequency increment in Hz (step size) between consecutive
frequency points along the sweep.
What: /sys/bus/iio/devices/iio:deviceX/outY_freq_points
KernelVersion: 3.1.0
Contact: linux-iio@vger.kernel.org
Description:
Number of frequency points (steps) in the frequency sweep.
This value, in conjunction with the outY_freq_start and the
outY_freq_increment, determines the frequency sweep range
for the sweep operation.
What: /sys/bus/iio/devices/iio:deviceX/outY_settling_cycles
KernelVersion: 3.1.0
Contact: linux-iio@vger.kernel.org
Description:
Number of output excitation cycles (settling time cycles)
that are allowed to pass through the unknown impedance,
after each frequency increment, and before the ADC is triggered
to perform a conversion sequence of the response signal.