[chore](trx-rs): apply cargo fmt

Signed-off-by: Stan Grams <sjg@haxx.space>

src/trx-client/trx-frontend/trx-frontend-http/src/auth.rs

@@ -705,7 +705,10 @@ mod tests {
         assert_eq!(RouteAccess::from_path("/app.js"), RouteAccess::Public);
         // Static reference data, served to every role: ".json" is not in the
         // asset suffix list, so this one has to be named.
-        assert_eq!(RouteAccess::from_path("/bandplan.json"), RouteAccess::Public);
+        assert_eq!(
+            RouteAccess::from_path("/bandplan.json"),
+            RouteAccess::Public
+        );
     }
 
     #[test]

src/trx-server/trx-backend/trx-backend-soapysdr/src/dsp/channel.rs

@@ -837,12 +837,6 @@ impl ChannelDsp {
             }
         }
 
-        let signal_power = decimated
-            .iter()
-            .map(|s| s.re * s.re + s.im * s.im)
-            .sum::<f32>()
-            / decimated.len() as f32;
-        let signal_db = 10.0 * signal_power.max(1e-12).log10();
         const WFM_OUTPUT_GAIN: f32 = 0.50;
         let mut audio = if let Some(decoder) = self.wfm_decoder.as_mut() {
             let mut out = decoder.process_iq(decimated);
@@ -884,7 +878,14 @@ impl ChannelDsp {
                 raw
             }
         };
-        if !self.squelch.update(&self.mode, signal_db) {
+        // Against the meter reading, not the block level after the IQ AGC.
+        // The threshold arrives in the scale the operator sets it from — the
+        // S-meter and the spectrum — while the level measured here had been
+        // through the AGC, whose whole job is to hold it at a setpoint. For
+        // every mode that has one (FM, PKT, AIS, AM, SAM) the squelch was
+        // therefore comparing against a near-constant, and for the rest it was
+        // still off by the decimation correction the meter applies.
+        if !self.squelch.update(&self.mode, self.last_signal_db) {
             audio.fill(0.0);
         }