Doxygen: Amend minor issues (#2593)

Corrects a few issues with regards to Doxygen documentation, for example:

- Incorrect parameter referencing.
- Missing @param tags.
- Typos in @param tags.

and a few minor other issues.

4 files changed, 5 insertions, 3 deletions

diff --git a/src/audio_core/hle/filter.h b/src/audio_core/hle/filter.h
index 4281a5898..5350e2857 100644
--- a/src/audio_core/hle/filter.h
+++ b/src/audio_core/hle/filter.h
@@ -27,7 +27,7 @@ public:
      * See also: SourceConfiguration::Configuration::simple_filter_enabled,
      *           SourceConfiguration::Configuration::biquad_filter_enabled.
      * @param simple If true, enables the simple filter. If false, disables it.
-     * @param simple If true, enables the biquad filter. If false, disables it.
+     * @param biquad If true, enables the biquad filter. If false, disables it.
      */
     void Enable(bool simple, bool biquad);
 
diff --git a/src/audio_core/interpolate.h b/src/audio_core/interpolate.h
index dd06fdda9..19a7b66cb 100644
--- a/src/audio_core/interpolate.h
+++ b/src/audio_core/interpolate.h
@@ -21,6 +21,7 @@ struct State {
 
 /**
  * No interpolation. This is equivalent to a zero-order hold. There is a two-sample predelay.
+ * @param state Interpolation state.
  * @param input Input buffer.
  * @param rate_multiplier Stretch factor. Must be a positive non-zero value.
  *                        rate_multiplier > 1.0 performs decimation and rate_multipler < 1.0
@@ -31,6 +32,7 @@ StereoBuffer16 None(State& state, const StereoBuffer16& input, float rate_multip
 
 /**
  * Linear interpolation. This is equivalent to a first-order hold. There is a two-sample predelay.
+ * @param state Interpolation state.
  * @param input Input buffer.
  * @param rate_multiplier Stretch factor. Must be a positive non-zero value.
  *                        rate_multiplier > 1.0 performs decimation and rate_multipler < 1.0
diff --git a/src/audio_core/sink.h b/src/audio_core/sink.h
index 558c8c0fe..c69cb2c74 100644
--- a/src/audio_core/sink.h
+++ b/src/audio_core/sink.h
@@ -34,7 +34,7 @@ public:
 
     /**
      * Sets the desired output device.
-     * @paran device_id Id of the desired device.
+     * @param device_id ID of the desired device.
      */
     virtual void SetDevice(int device_id) = 0;
 
diff --git a/src/audio_core/time_stretch.h b/src/audio_core/time_stretch.h
index e3e4dc353..c98b16705 100644
--- a/src/audio_core/time_stretch.h
+++ b/src/audio_core/time_stretch.h
@@ -25,7 +25,7 @@ public:
     /**
      * Add samples to be processed.
      * @param sample_buffer Buffer of samples in interleaved stereo PCM16 format.
-     * @param num_sample Number of samples.
+     * @param num_samples Number of samples.
      */
     void AddSamples(const s16* sample_buffer, size_t num_samples);