audiohw: remove unused BALANCE_CAP and CLIPPING_CAP

commit f463f4a17a9441def4e51cd1568d7fd36d261749
Author: Skye <[email protected]>
Date:   Wed May 20 18:04:01 2026 +0900

    audiohw: remove unused BALANCE_CAP and CLIPPING_CAP
    
    Change-Id: I8905e9a656fcba20c8adeb840d148bcd97511665

diff --git a/firmware/drivers/audio/ctru.c b/firmware/drivers/audio/ctru.c
index 05cca2e76f..b973b1fb87 100644
--- a/firmware/drivers/audio/ctru.c
+++ b/firmware/drivers/audio/ctru.c
@@ -37,9 +37,6 @@ void audiohw_set_volume(int vol_l, int vol_r)
     (void)vol_l; (void)vol_r;
 }
 
-#if defined(AUDIOHW_HAVE_BALANCE)
-void audiohw_set_balance(int value)     { (void)value; }
-#endif
 #ifndef HAVE_SW_TONE_CONTROLS
 #if defined(AUDIOHW_HAVE_BASS)
 void audiohw_set_bass(int value)        { (void)value; }
diff --git a/firmware/drivers/audio/sdl.c b/firmware/drivers/audio/sdl.c
index 7250f36124..d85fba9933 100644
--- a/firmware/drivers/audio/sdl.c
+++ b/firmware/drivers/audio/sdl.c
@@ -75,9 +75,6 @@ void audiohw_set_prescaler(int value)
 }
 #endif /* AUDIOHW_HAVE_PRESCALER */
 
-#if defined(AUDIOHW_HAVE_BALANCE)
-void audiohw_set_balance(int value)     { (void)value; }
-#endif
 #ifndef HAVE_SW_TONE_CONTROLS
 #if defined(AUDIOHW_HAVE_BASS)
 void audiohw_set_bass(int value)        { (void)value; }
diff --git a/firmware/export/audiohw.h b/firmware/export/audiohw.h
index 25e6f46b3d..c6308b3aff 100644
--- a/firmware/export/audiohw.h
+++ b/firmware/export/audiohw.h
@@ -28,19 +28,17 @@
 /* define some audiohw caps */
 #define TREBLE_CAP            (1 << 0)
 #define BASS_CAP              (1 << 1)
-#define BALANCE_CAP           (1 << 2)
-#define CLIPPING_CAP          (1 << 3)
-#define PRESCALER_CAP         (1 << 4)
-#define BASS_CUTOFF_CAP       (1 << 5)
-#define TREBLE_CUTOFF_CAP     (1 << 6)
-#define EQ_CAP                (1 << 7)
-#define DEPTH_3D_CAP          (1 << 8)
-#define LINEOUT_CAP           (1 << 9)
-#define MONO_VOL_CAP          (1 << 10)
-#define LIN_GAIN_CAP          (1 << 11)
-#define MIC_GAIN_CAP          (1 << 12)
-#define FILTER_ROLL_OFF_CAP   (1 << 13)
-#define POWER_MODE_CAP        (1 << 14)
+#define PRESCALER_CAP         (1 << 2)
+#define BASS_CUTOFF_CAP       (1 << 3)
+#define TREBLE_CUTOFF_CAP     (1 << 4)
+#define EQ_CAP                (1 << 5)
+#define DEPTH_3D_CAP          (1 << 6)
+#define LINEOUT_CAP           (1 << 7)
+#define MONO_VOL_CAP          (1 << 8)
+#define LIN_GAIN_CAP          (1 << 9)
+#define MIC_GAIN_CAP          (1 << 10)
+#define FILTER_ROLL_OFF_CAP   (1 << 11)
+#define POWER_MODE_CAP        (1 << 12)
 
 /* Used by every driver to export its min/max/default values for its audio
    settings. */
@@ -270,14 +268,6 @@ struct sound_settings_info
 #define AUDIOHW_HAVE_TREBLE_CUTOFF
 #endif
 
-#if (AUDIOHW_CAPS & BALANCE_CAP)
-#define AUDIOHW_HAVE_BALANCE
-#endif
-
-#if (AUDIOHW_CAPS & CLIPPING_CAP)
-#define AUDIOHW_HAVE_CLIPPING
-#endif
-
 #if (AUDIOHW_CAPS & PRESCALER_CAP)
 #define AUDIOHW_HAVE_PRESCALER
 #endif
@@ -460,7 +450,7 @@ void audiohw_close(void);
  * Set new volume value
  * @param val to set in centibels.
  * NOTE: AUDIOHW_CAPS need to contain
- *          CLIPPING_CAP
+ *          MONO_VOL_CAP
  */
 void audiohw_set_volume(int val);
 #else /* Stereo volume */
@@ -481,7 +471,6 @@ void audiohw_set_volume(int vol_l, int vol_r);
 void audiohw_set_lineout_volume(int vol_l, int vol_r);
 #endif
 
-#ifndef AUDIOHW_HAVE_CLIPPING
 #if defined(AUDIOHW_HAVE_BASS) || defined(AUDIOHW_HAVE_TREBLE) \
     || defined(AUDIOHW_HAVE_EQ)
 /**
@@ -492,17 +481,6 @@ void audiohw_set_lineout_volume(int vol_l, int vol_r);
  */
 void audiohw_set_prescaler(int val);
 #endif
-#endif /* !AUDIOHW_HAVE_CLIPPING */
-
-#ifdef AUDIOHW_HAVE_BALANCE
-/**
- * Set new balance value
- * @param val to set.
- * NOTE: AUDIOHW_CAPS need to contain
- *          BALANCE_CAP
- */
-void audiohw_set_balance(int val);
-#endif
 
 #ifdef AUDIOHW_HAVE_TREBLE
 /**
diff --git a/firmware/sound.c b/firmware/sound.c
index 40975abfc6..c7d510dc2f 100644
--- a/firmware/sound.c
+++ b/firmware/sound.c
@@ -196,7 +196,6 @@ int sound_current(int setting)
     } /* switch(setting)  */
 }/* sound_current */
 
-#if !defined(AUDIOHW_HAVE_CLIPPING)
 /*
  * The prescaler compensates for any kind of boosts, to prevent clipping.
  *
@@ -304,7 +303,6 @@ static void set_prescaled_volume(void)
     audiohw_set_lineout_volume(0, 0);
 #endif /* AUDIOHW_HAVE_LINEOUT */
 }
-#endif /* AUDIOIHW_HAVE_CLIPPING */
 
 void sound_set_volume(int value)
 {
@@ -325,12 +323,8 @@ void sound_set_volume(int value)
     global_status.volume = value;
 #endif
 
-#if defined(AUDIOHW_HAVE_CLIPPING)
-    audiohw_set_volume(value);
-#else
     sound_prescaler.volume = sound_value_to_cb(SOUND_VOLUME, value);
     set_prescaled_volume();
-#endif
 }
 
 void sound_set_balance(int value)
@@ -338,12 +332,8 @@ void sound_set_balance(int value)
     if (!audio_is_initialized)
         return;
 
-#if defined(AUDIOHW_HAVE_BALANCE)
-    audiohw_set_balance(value);
-#else
     sound_prescaler.balance = value;
     set_prescaled_volume();
-#endif
 }
 
 #if defined(AUDIOHW_HAVE_BASS)
@@ -354,10 +344,8 @@ void sound_set_bass(int value)
 
     audiohw_set_bass(value);
 
-#if !defined(AUDIOHW_HAVE_CLIPPING)
     sound_prescaler.bass = sound_value_to_cb(SOUND_BASS, value);
     set_prescaled_volume();
-#endif
 }
 #endif /* AUDIOHW_HAVE_BASS */
 
@@ -369,10 +357,8 @@ void sound_set_treble(int value)
 
     audiohw_set_treble(value);
 
-#if !defined(AUDIOHW_HAVE_CLIPPING)
     sound_prescaler.treble = sound_value_to_cb(SOUND_TREBLE, value);
     set_prescaled_volume();
-#endif
 }
 #endif /* AUDIOHW_HAVE_TREBLE */
 
@@ -517,11 +503,9 @@ static void sound_set_hw_eq_band_gain(unsigned int band, int value)
 
     audiohw_set_eq_band_gain(band, value);
 
-#if !defined (AUDIOHW_HAVE_CLIPPING)
     int setting = sound_enum_hw_eq_band_setting(band, AUDIOHW_EQ_GAIN);
     sound_prescaler.eq_gain[band] = sound_value_to_cb(setting, value);
     set_prescaled_volume();
-#endif /* AUDIOHW_HAVE_CLIPPING */
 }
 
 void sound_set_hw_eq_band1_gain(int value)
diff --git a/firmware/target/hosted/android/android-codec.c b/firmware/target/hosted/android/android-codec.c
index 6e069210df..794ad947ed 100644
--- a/firmware/target/hosted/android/android-codec.c
+++ b/firmware/target/hosted/android/android-codec.c
@@ -28,11 +28,6 @@ void audiohw_set_volume(int volume)
     pcm_set_mixer_volume(volume);
 }
 
-void audiohw_set_balance(int balance)
-{
-    (void)balance;
-}
-
 void audiohw_close(void)
 {
     pcm_shutdown();
-- 
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