7fde1484af
It is assumed that the dpot is used as a voltage divider between the
current dpot wiper setting and the maximum resistance of the dpot. The
divided voltage is provided by a vref regulator.
.------.
.-----------. | |
| vref |--' .---.
| regulator |--. | |
'-----------' | | d |
| | p |
| | o | wiper
| | t |<---------+
| | |
| '---' dac output voltage
| |
'------+------------+
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
9 lines
312 B
Plaintext
9 lines
312 B
Plaintext
What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_raw_available
|
|
Date: October 2016
|
|
KernelVersion: 4.9
|
|
Contact: Peter Rosin <peda@axentia.se>
|
|
Description:
|
|
The range of available values represented as the minimum value,
|
|
the step and the maximum value, all enclosed in square brackets.
|
|
Example: [0 1 256]
|