samples: blinky: Run cargo fmt

Format the source according to the default rules. This provides a
baseline for future changes to require well-formatted source.

Signed-off-by: David Brown <[email protected]>

samples/blinky/src/lib.rs

@@ -2,7 +2,6 @@
 // SPDX-License-Identifier: Apache-2.0
 
 #![no_std]
-
 // Sigh. The check config system requires that the compiler be told what possible config values
 // there might be.  This is completely impossible with both Kconfig and the DT configs, since the
 // whole point is that we likely need to check for configs that aren't otherwise present in the
@@ -12,11 +11,13 @@
 use log::warn;
 
 use zephyr::raw::GPIO_OUTPUT_ACTIVE;
-use zephyr::time::{ Duration, sleep };
+use zephyr::time::{sleep, Duration};
 
 #[no_mangle]
 extern "C" fn rust_main() {
-    unsafe { zephyr::set_logger().unwrap(); }
+    unsafe {
+        zephyr::set_logger().unwrap();
+    }
 
     warn!("Starting blinky");
 
@@ -32,21 +33,23 @@ fn do_blink() {
 
     if !led0.is_ready() {
         warn!("LED is not ready");
-        loop {
-        }
+        loop {}
     }
 
-    unsafe { led0.configure(&mut gpio_token, GPIO_OUTPUT_ACTIVE); }
+    unsafe {
+        led0.configure(&mut gpio_token, GPIO_OUTPUT_ACTIVE);
+    }
     let duration = Duration::millis_at_least(500);
     loop {
-        unsafe { led0.toggle_pin(&mut gpio_token); }
+        unsafe {
+            led0.toggle_pin(&mut gpio_token);
+        }
         sleep(duration);
     }
 }
 
 #[cfg(not(dt = "aliases::led0"))]
 fn do_blink() {
     warn!("No leds configured");
-    loop {
-    }
+    loop {}
 }