src/libboard_artiq/src/io_expander.rs

@@ -152,7 +152,7 @@ impl IoExpander {
     }
 
     pub fn service(&mut self, i2c: &mut i2c::I2c) -> Result<(), &'static str> {
-        #[cfg(has_virtual_leds)]
+        #[cfg(has_virtual_leds)]        
         for (led, port, bit) in self.virtual_led_mapping.iter() {
             let level = unsafe { csr::virtual_leds::status_read() >> led & 1 };
             self.set(*port, *bit, level != 0);

src/runtime/src/main.rs

@@ -157,7 +157,7 @@ pub fn main_core0() {
         io_expander1
             .init(i2c_bus)
             .expect("I2C I/O expander #1 initialization failed");
-        // Drive TX_DISABLE to false on SFP0..3
+        // Actively drive TX_DISABLE to false on SFP0..3
         io_expander0.set(0, 1, false);
         io_expander1.set(0, 1, false);
         io_expander0.set(1, 1, false);

src/satman/src/main.rs

@@ -624,7 +624,7 @@ pub extern "C" fn main_core0() -> i32 {
         io_expander1
             .init(&mut i2c)
             .expect("I2C I/O expander #1 initialization failed");
-        // Drive TX_DISABLE to false on SFP0..3
+        // Actively drive TX_DISABLE to false on SFP0..3
         io_expander0.set(0, 1, false);
         io_expander1.set(0, 1, false);
         io_expander0.set(1, 1, false);