regulators: update demo_mode code for the IOBus supply

The demo_mode code for the IOBus supply was not migrated when
the control of the power supply moved from a GPIO to a
userspace-controllable regulator.

Signed-off-by: Leonard Göhrs <l.goehrs@pengutronix.de>

Author: hnez

src/digital_io/gpio/demo_mode.rs

@@ -39,14 +39,6 @@ impl LineHandle {
         match self.name.as_str() {
             "OUT_0" => iio_thread.get_channel("out0-volt").unwrap().set(val != 0),
             "OUT_1" => iio_thread.get_channel("out1-volt").unwrap().set(val != 0),
-            "IOBUS_PWR_EN" => {
-                iio_thread
-                    .clone()
-                    .get_channel("iobus-curr")
-                    .unwrap()
-                    .set(val != 0);
-                iio_thread.get_channel("iobus-volt").unwrap().set(val != 0);
-            }
             "DUT_PWR_EN" => {
                 iio_thread
                     .clone()

src/regulators.rs

@@ -25,7 +25,22 @@ use crate::broker::{BrokerBuilder, Topic};
 mod reg {
     use std::io::Result;
 
+    use async_std::task::block_on;
+
+    use crate::adc::IioThread;
+
     pub fn regulator_set(name: &str, state: bool) -> Result<()> {
+        if name == "output_iobus_12v" {
+            let iio_thread = block_on(IioThread::new()).unwrap();
+
+            iio_thread
+                .clone()
+                .get_channel("iobus-curr")
+                .unwrap()
+                .set(state);
+            iio_thread.get_channel("iobus-volt").unwrap().set(state);
+        }
+
         let state = if state { "enabled" } else { "disabled" };
         println!("Regulator: would set {name} to {state} but don't feel like it");