From 751bbab1118344b8be82510c2eb15cce75811cbd Mon Sep 17 00:00:00 2001
From: Cam Gorrie <sastraxi@gmail.com>
Date: Thu, 2 Jul 2026 19:29:04 -0400
Subject: [PATCH 1/4] Footswitch preset fixes: snapshot name label, no
 plugin-name clobber, LED lights active snapshot

Clear a footswitch's inherited midi_CC when preset: is configured (it's
dead weight for its own press dispatch and was letting an unrelated
plugin's MIDI-learned binding steal fs.parameter and clobber the label).
Label now shows the snapshot name instead of the raw index, and the
LCD/physical LED lights for whichever snapshot is currently active.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
---
 modalapi/modhandler.py                        |   3 +-
 pistomp/footswitch.py                         |   8 +-
 pistomp/hardware.py                           |  14 +-
 pistomp/lcd320x240.py                         |  33 +++-
 .../test_v3_preset_change_via_lcd/nav_D.png   | Bin 6270 -> 6277 bytes
 tests/test_lcd320x240.py                      |   2 +
 tests/v3/test_footswitch_presets.py           | 172 ++++++++++++++++++
 7 files changed, 217 insertions(+), 15 deletions(-)
 create mode 100644 tests/v3/test_footswitch_presets.py

diff --git a/modalapi/modhandler.py b/modalapi/modhandler.py
index 86015b4bf..d601eae04 100755
--- a/modalapi/modhandler.py
+++ b/modalapi/modhandler.py
@@ -728,8 +728,9 @@ def preset_change(self, index):
             logging.error("Bad Rest request: %s" % url)
         self.current.preset_index = index
 
-        # Update name on lcd
+        # Update name on lcd, and relight any footswitch mapped to a snapshot
         self.lcd.draw_title()
+        self.lcd.update_footswitches()
         # Bypass/param changes from the snapshot arrive via the WS drain (source of truth).
 
     def preset_incr_and_change(self, *argv):
diff --git a/pistomp/footswitch.py b/pistomp/footswitch.py
index 9595ece83..1dbada1b8 100755
--- a/pistomp/footswitch.py
+++ b/pistomp/footswitch.py
@@ -149,10 +149,10 @@ def drives_display(self) -> bool:
 
     def set_value(self, bypass_value: float):
         self.toggled = (bypass_value < 1)
-        self._set_led(self.toggled)
+        self.set_led(self.toggled)
         self.refresh_callback(footswitch=self)
 
-    def _set_led(self, enabled):
+    def set_led(self, enabled):
         if self.led is not None:
             if self.taptempo:
                 tempo = self.taptempo.get_bpm()
@@ -228,7 +228,7 @@ def pressed(self, state):
                         r.enable()
                     else:
                         r.disable()
-                self._set_led(self.toggled)
+                self.set_led(self.toggled)
                 self.refresh_callback(True)  # True means this is a bypass change only
             else:
                 # TODO consider case where relay and longpress are specified
@@ -257,7 +257,7 @@ def pressed(self, state):
             logging.debug("Sending CC event: %d" % self.midi_CC)
             self.midiout.send_message(cc)
             if self.drives_display:
-                self._set_led(self.toggled)
+                self.set_led(self.toggled)
 
         if self.drives_display:
             self.refresh_callback(footswitch=self)
diff --git a/pistomp/hardware.py b/pistomp/hardware.py
index fa385a18c..5f9d0b61c 100755
--- a/pistomp/hardware.py
+++ b/pistomp/hardware.py
@@ -347,6 +347,13 @@ def __init_footswitches_default(self):
             fs.clear_relays()
         self.__init_footswitches(self.cfg)
 
+    def __clear_footswitch_midi_cc(self, fs) -> None:
+        fs.set_midi_CC(None)
+        for k, v in self.controllers.items():
+            if v == fs:
+                self.controllers.pop(k)
+                break
+
     def __init_footswitches(self, cfg):
         if cfg is None or (Token.HARDWARE not in cfg) or (Token.FOOTSWITCHES not in cfg[Token.HARDWARE]):
             return
@@ -380,11 +387,7 @@ def __init_footswitches(self, cfg):
                 if Token.MIDI_CC in f:
                     cc = f[Token.MIDI_CC]
                     if cc == Token.NONE:
-                        fs.set_midi_CC(None)
-                        for k, v in self.controllers.items():
-                            if v == fs:
-                                self.controllers.pop(k)
-                                break
+                        self.__clear_footswitch_midi_cc(fs)
                     else:
                         fs.set_midi_channel(self.midi_channel)
                         fs.set_midi_CC(cc)
@@ -393,6 +396,7 @@ def __init_footswitches(self, cfg):
 
                 # Preset Control
                 if Token.PRESET in f:
+                    self.__clear_footswitch_midi_cc(fs)
                     preset_value = f[Token.PRESET]
                     if preset_value == Token.UP:
                         fs.add_preset(callback=self.handler.preset_incr_and_change)
diff --git a/pistomp/lcd320x240.py b/pistomp/lcd320x240.py
index 77fa9612e..d779a5caa 100644
--- a/pistomp/lcd320x240.py
+++ b/pistomp/lcd320x240.py
@@ -478,7 +478,10 @@ def parameter_commit_enum(self, param_value_tuple):
     # Footswitches
     #
     def footswitch_label(self, footswitch):
-        """Label for a footswitch bound to a plugin param: the param name, or the plugin instance for a :bypass binding."""
+        """Label for a footswitch bound to a snapshot index or a plugin param."""
+        if footswitch.preset_callback_arg is not None:
+            name = self.current.presets.get(footswitch.preset_callback_arg) if self.current else None
+            return self.shorten_name(name, self.footswitch_width) if name else str(footswitch.preset_callback_arg)
         param = footswitch.parameter
         if param is None:
             return None
@@ -489,6 +492,10 @@ def footswitch_label(self, footswitch):
     def draw_footswitch(self, plugin):
         for c in plugin.controllers:
             if isinstance(c, Footswitch):
+                if c.preset_callback_arg is not None:
+                    # Preset-bound switches are drawn by draw_unbound_footswitches,
+                    # regardless of any (stale) plugin binding.
+                    continue
                 fs_id = c.id
                 #fss[fs_id] = None
                 label = self.footswitch_label(c)
@@ -509,12 +516,23 @@ def draw_unbound_footswitches(self):
             if fs.id in self.footswitch_slots:
                 continue
             slot = fs.id
-            dl = fs.get_display_label()
-            label = "" if dl is None else dl
+            if fs.preset_callback_arg is not None:
+                label = self.footswitch_label(fs)
+                fs.set_display_label(label)
+                active = self.current is not None and self.current.preset_index == fs.preset_callback_arg
+                fs.toggled = active
+                fs.set_led(active)  # a press never touches toggled for preset switches
+                color = self.foreground
+                is_bypassed = not fs.toggled
+            else:
+                dl = fs.get_display_label()
+                label = "" if dl is None else dl
+                color = None
+                is_bypassed = True
             y = 0
             x = self.get_footswitch_pitch() * slot
             p = FootswitchWidget(Box.xywh(x, y, self.plugin_width, self.footswitch_height), self.small_font,
-                                 label, None, True, parent=self.footswitch_panel, object=fs)
+                                 label, color, is_bypassed, parent=self.footswitch_panel, object=fs)
             self.w_footswitches.append(p)
             self.footswitch_panel.add_widget(p)
         self.footswitch_panel.refresh()
@@ -522,7 +540,12 @@ def draw_unbound_footswitches(self):
     def update_footswitch(self, footswitch):
         for wfs in self.w_footswitches:
             if wfs.object == footswitch:
-                if footswitch.parameter is not None:
+                if footswitch.preset_callback_arg is not None:
+                    footswitch.set_display_label(self.footswitch_label(footswitch))
+                    active = self.current is not None and self.current.preset_index == footswitch.preset_callback_arg
+                    footswitch.toggled = active
+                    footswitch.set_led(active)
+                elif footswitch.parameter is not None:
                     # Binding may be new (e.g. MIDI learn) — reflect label + color.
                     footswitch.set_display_label(self.footswitch_label(footswitch))
                     wfs.color = self.get_category_color(footswitch.category)
diff --git a/tests/snapshots/v3/test_presets/test_v3_preset_change_via_lcd/nav_D.png b/tests/snapshots/v3/test_presets/test_v3_preset_change_via_lcd/nav_D.png
index ba358de3c3310244eee0ab3909b48a2a42606c64..8d2e45f57928254f47772abcc7ba94b950a6a797 100644
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diff --git a/tests/test_lcd320x240.py b/tests/test_lcd320x240.py
index 21542056b..05447bfdc 100644
--- a/tests/test_lcd320x240.py
+++ b/tests/test_lcd320x240.py
@@ -13,6 +13,8 @@
 
 
 class MockObject:
+    preset_callback_arg = None  # footswitch default; override via kwargs
+
     def __init__(self, **kwargs):
         self.__dict__.update(kwargs)
 
diff --git a/tests/v3/test_footswitch_presets.py b/tests/v3/test_footswitch_presets.py
new file mode 100644
index 000000000..b81835f8d
--- /dev/null
+++ b/tests/v3/test_footswitch_presets.py
@@ -0,0 +1,172 @@
+"""Footswitches mapped directly to a snapshot index (`preset: <int>` in config).
+
+Covers four behaviors:
+  1. The label shows the snapshot name, not the raw index.
+  2. `Hardware.__init_footswitches` clears any midi_CC (default-config or
+     override) when `preset:` is configured, since a preset footswitch's own
+     press dispatch always short-circuits on preset_callback before ever
+     reaching midi_CC emission (see Footswitch.pressed) -- an
+     inherited-but-unused CC otherwise sits in `hw.controllers` where
+     ControllerManager.bind() can match it against an unrelated plugin's
+     MIDI-learned binding and steal fs.parameter.
+  3. The label survives even if `fs.parameter` still ends up set by some
+     other path -- defense in depth on top of (2), so
+     `draw_footswitch`/`draw_unbound_footswitches`/`update_footswitch` never
+     let a plugin/param name clobber a preset label.
+  4. The footswitch's LED/indicator lights only when its mapped snapshot is
+     the currently active one.
+"""
+
+import yaml
+from unittest.mock import MagicMock
+
+from common.parameter import Parameter
+from tests.types import SystemFixture
+
+
+def _plugin_param() -> Parameter:
+    p = MagicMock(spec=Parameter)
+    p.symbol = ":bypass"
+    p.instance_id = "/Reverb"
+    p.value = 0
+    p.minimum = 0
+    p.maximum = 1
+    return p
+
+
+class TestPresetFootswitchLabel:
+    def test_shows_snapshot_name_not_index(self, v3_system: SystemFixture):
+        handler = v3_system.handler
+        fs = v3_system.hw.footswitches[0]
+        fs.add_preset(callback=handler.preset_set_and_change, callback_arg=1)
+
+        # v3_system's snapshot/list mock returns {"0": "Clean", "1": "Lead"}
+        # (footswitch_label lowercases, same as it does for plugin names)
+        assert handler.lcd.footswitch_label(fs) == "lead"
+
+    def test_falls_back_to_index_when_name_unknown(self, v3_system: SystemFixture):
+        handler = v3_system.handler
+        fs = v3_system.hw.footswitches[0]
+        fs.add_preset(callback=handler.preset_set_and_change, callback_arg=7)
+
+        assert handler.lcd.footswitch_label(fs) == "7"
+
+
+class TestPresetConfigClearsDefaultMidiCC:
+    """Root-cause coverage: a footswitch config'd with `preset:` must lose any
+    midi_CC (default-config or override) and drop out of hw.controllers, so it
+    can never be matched by ControllerManager.bind() against an unrelated
+    plugin's MIDI-learned parameter."""
+
+    def test_preset_override_clears_inherited_default_midi_cc(self, v3_system: SystemFixture, tmp_path):
+        handler = v3_system.handler
+        hw = v3_system.hw
+        # default_config_pistomptre.yml gives footswitch 1 midi_CC: 61 with no preset.
+        fs1 = hw.footswitches[1]
+        assert fs1.midi_CC == 61
+        assert any(v is fs1 for v in hw.controllers.values())
+
+        bundle_dir = tmp_path / "preset_rig.pedalboard"
+        bundle_dir.mkdir()
+        (bundle_dir / "config.yml").write_text(
+            yaml.dump({"hardware": {"footswitches": [{"id": 1, "preset": 0}]}})
+        )
+        pb = handler.pedalboards["/path/to/new.pedalboard"]
+        pb.bundle = str(bundle_dir)
+        pb.plugins = []
+
+        handler.set_current_pedalboard(pb)
+
+        assert fs1.midi_CC is None
+        assert all(v is not fs1 for v in hw.controllers.values())
+
+
+class TestPresetFootswitchLabelSurvivesParameterBinding:
+    def test_draw_unbound_footswitches_keeps_snapshot_label(self, v3_system: SystemFixture):
+        handler = v3_system.handler
+        hw = v3_system.hw
+        lcd = handler.lcd
+        fs = hw.footswitches[0]
+        fs.add_preset(callback=handler.preset_set_and_change, callback_arg=0)
+        fs.parameter = _plugin_param()  # defense-in-depth: simulates fs.parameter
+        # getting set through some other path despite (2) above
+
+        lcd.link_data(handler.pedalboard_list, handler.current, hw.footswitches)
+        lcd.draw_main_panel()
+
+        assert fs.get_display_label() == "clean"
+
+    def test_update_footswitch_keeps_snapshot_label(self, v3_system: SystemFixture):
+        handler = v3_system.handler
+        hw = v3_system.hw
+        lcd = handler.lcd
+        fs = hw.footswitches[0]
+        fs.add_preset(callback=handler.preset_set_and_change, callback_arg=0)
+
+        lcd.link_data(handler.pedalboard_list, handler.current, hw.footswitches)
+        lcd.draw_main_panel()
+
+        fs.parameter = _plugin_param()  # bound after the fact (e.g. MIDI learn)
+        lcd.update_footswitch(fs)
+
+        assert fs.get_display_label() == "clean"
+
+
+class TestPresetFootswitchIndicator:
+    def test_active_snapshot_footswitch_drives_physical_led(self, v3_system: SystemFixture):
+        """A press never touches fs.toggled for preset footswitches
+        (Footswitch.pressed returns early on the preset_callback branch), so
+        the LCD redraw path is the only place that can also light the
+        physical LED/pixel."""
+        handler = v3_system.handler
+        hw = v3_system.hw
+        lcd = handler.lcd
+        fs0, fs1 = hw.footswitches[0], hw.footswitches[1]
+        fs0.pixel = MagicMock()
+        fs1.pixel = MagicMock()
+        fs0.add_preset(callback=handler.preset_set_and_change, callback_arg=0)
+        fs1.add_preset(callback=handler.preset_set_and_change, callback_arg=1)
+        handler.current.preset_index = 1
+
+        lcd.link_data(handler.pedalboard_list, handler.current, hw.footswitches)
+        lcd.draw_main_panel()
+
+        fs0.pixel.set_enable.assert_called_once_with(False)
+        fs1.pixel.set_enable.assert_called_once_with(True)
+        assert fs0.toggled is False
+        assert fs1.toggled is True
+
+    def test_active_snapshot_footswitch_is_lit(self, v3_system: SystemFixture):
+        handler = v3_system.handler
+        hw = v3_system.hw
+        lcd = handler.lcd
+        fs0, fs1 = hw.footswitches[0], hw.footswitches[1]
+        fs0.add_preset(callback=handler.preset_set_and_change, callback_arg=0)
+        fs1.add_preset(callback=handler.preset_set_and_change, callback_arg=1)
+        handler.current.preset_index = 1
+
+        lcd.link_data(handler.pedalboard_list, handler.current, hw.footswitches)
+        lcd.draw_main_panel()
+
+        w0 = next(w for w in lcd.w_footswitches if w.object is fs0)
+        w1 = next(w for w in lcd.w_footswitches if w.object is fs1)
+        assert w1.is_bypassed is False  # active snapshot -> lit
+        assert w0.is_bypassed is True  # inactive snapshot -> dark
+
+    def test_preset_change_relights_indicator(self, v3_system: SystemFixture):
+        handler = v3_system.handler
+        hw = v3_system.hw
+        lcd = handler.lcd
+        fs0, fs1 = hw.footswitches[0], hw.footswitches[1]
+        fs0.add_preset(callback=handler.preset_set_and_change, callback_arg=0)
+        fs1.add_preset(callback=handler.preset_set_and_change, callback_arg=1)
+
+        lcd.link_data(handler.pedalboard_list, handler.current, hw.footswitches)
+        lcd.draw_main_panel()
+
+        handler.preset_change(1)
+
+        w0 = next(w for w in lcd.w_footswitches if w.object is fs0)
+        w1 = next(w for w in lcd.w_footswitches if w.object is fs1)
+        assert w1.is_bypassed is False
+        assert w0.is_bypassed is True

From ba4e52c190444f61f32be083824b630404d7c5f7 Mon Sep 17 00:00:00 2001
From: Cam Gorrie <sastraxi@gmail.com>
Date: Thu, 2 Jul 2026 19:54:21 -0400
Subject: [PATCH 2/4] Fix brightening bug

---
 modalapi/modhandler.py                        |   6 ++++--
 .../test_v3_preset_change_via_lcd/nav_D.png   | Bin 6277 -> 6270 bytes
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/modalapi/modhandler.py b/modalapi/modhandler.py
index d601eae04..6075719ab 100755
--- a/modalapi/modhandler.py
+++ b/modalapi/modhandler.py
@@ -728,9 +728,11 @@ def preset_change(self, index):
             logging.error("Bad Rest request: %s" % url)
         self.current.preset_index = index
 
-        # Update name on lcd, and relight any footswitch mapped to a snapshot
+        # Update name on lcd, and relight any footswitch mapped to a snapshot.
         self.lcd.draw_title()
-        self.lcd.update_footswitches()
+        for fs in self.hardware.footswitches:
+            if fs.preset_callback_arg is not None:
+                self.lcd.update_footswitch(fs)
         # Bypass/param changes from the snapshot arrive via the WS drain (source of truth).
 
     def preset_incr_and_change(self, *argv):
diff --git a/tests/snapshots/v3/test_presets/test_v3_preset_change_via_lcd/nav_D.png b/tests/snapshots/v3/test_presets/test_v3_preset_change_via_lcd/nav_D.png
index 8d2e45f57928254f47772abcc7ba94b950a6a797..ba358de3c3310244eee0ab3909b48a2a42606c64 100644
GIT binary patch
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From 72df2c1de9949c7b7717733547e13b825e60b3e7 Mon Sep 17 00:00:00 2001
From: Cam Gorrie <sastraxi@gmail.com>
Date: Thu, 2 Jul 2026 20:02:51 -0400
Subject: [PATCH 3/4] Fix preset footswitch label blanking after any relight

get_display_label() treated midi_CC is None as "unbound, show nothing" --
true before preset switches existed, but Hardware.__init_footswitches now
clears midi_CC for them by design. Any refresh that reads
get_display_label() instead of the freshly computed label (e.g.
update_footswitch on the next preset_change) wiped the snapshot name back
to empty. Preset-bound switches are now exempt from the blank-out rule.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
---
 pistomp/footswitch.py                         |   2 +-
 .../after_preset_change.png                   | Bin 0 -> 7157 bytes
 .../before_preset_change.png                  | Bin 0 -> 7638 bytes
 tests/v3/test_footswitch_presets.py           |  41 ++++++++++++++++++
 4 files changed, 42 insertions(+), 1 deletion(-)
 create mode 100644 tests/snapshots/v3/test_footswitch_presets/test_preset_change_does_not_blank_the_label/after_preset_change.png
 create mode 100644 tests/snapshots/v3/test_footswitch_presets/test_preset_change_does_not_blank_the_label/before_preset_change.png

diff --git a/pistomp/footswitch.py b/pistomp/footswitch.py
index 1dbada1b8..cff6809b0 100755
--- a/pistomp/footswitch.py
+++ b/pistomp/footswitch.py
@@ -128,7 +128,7 @@ def __init__(self, id, led_pin, pixel, midi_CC, midi_channel, midiout, refresh_c
     def get_display_label(self):
         if self.taptempo and self.taptempo.is_enabled():
             return str(round(self.taptempo.get_bpm()))
-        elif self.midi_CC is None:
+        elif self.midi_CC is None and self.preset_callback_arg is None:
             return ""
         else:
             return self.display_label
diff --git a/tests/snapshots/v3/test_footswitch_presets/test_preset_change_does_not_blank_the_label/after_preset_change.png b/tests/snapshots/v3/test_footswitch_presets/test_preset_change_does_not_blank_the_label/after_preset_change.png
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diff --git a/tests/snapshots/v3/test_footswitch_presets/test_preset_change_does_not_blank_the_label/before_preset_change.png b/tests/snapshots/v3/test_footswitch_presets/test_preset_change_does_not_blank_the_label/before_preset_change.png
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diff --git a/tests/v3/test_footswitch_presets.py b/tests/v3/test_footswitch_presets.py
index b81835f8d..3efc0211a 100644
--- a/tests/v3/test_footswitch_presets.py
+++ b/tests/v3/test_footswitch_presets.py
@@ -170,3 +170,44 @@ def test_preset_change_relights_indicator(self, v3_system: SystemFixture):
         w1 = next(w for w in lcd.w_footswitches if w.object is fs1)
         assert w1.is_bypassed is False
         assert w0.is_bypassed is True
+
+
+class TestPresetFootswitchLabelSurvivesRelight:
+    """Regression: Hardware.__init_footswitches clears midi_CC for preset
+    footswitches configured via config.yml (see TestPresetConfigClearsDefaultMidiCC),
+    but Footswitch.get_display_label() treats `midi_CC is None` as "unbound,
+    show nothing" -- a rule written before preset switches could legitimately
+    have no CC. Anywhere that reads get_display_label() instead of the
+    freshly computed label (update_footswitch's `wfs.label = ...` line) blanks
+    the snapshot-name label the instant it's touched again, e.g. on the very
+    next preset_change()."""
+
+    def test_preset_change_does_not_blank_the_label(self, v3_system: SystemFixture, tmp_path, snapshot):
+        handler = v3_system.handler
+        hw = v3_system.hw
+        lcd = handler.lcd
+
+        # Footswitch 1 has midi_CC: 61 in default_config_pistomptre.yml -- the
+        # config overlay path (not fs.add_preset() called directly) is what
+        # triggers Hardware.__clear_footswitch_midi_cc and reproduces the bug.
+        bundle_dir = tmp_path / "preset_rig.pedalboard"
+        bundle_dir.mkdir()
+        (bundle_dir / "config.yml").write_text(
+            yaml.dump({"hardware": {"footswitches": [{"id": 1, "preset": 0}]}})
+        )
+        pb = handler.pedalboards["/path/to/new.pedalboard"]
+        pb.bundle = str(bundle_dir)
+        pb.plugins = []
+        handler.set_current_pedalboard(pb)
+
+        fs1 = hw.footswitches[1]
+        assert fs1.midi_CC is None  # cleared by the preset config, as expected
+
+        w1 = next(w for w in lcd.w_footswitches if w.object is fs1)
+        assert w1.label == "clean"  # correct immediately after the initial draw
+        snapshot("before_preset_change")
+
+        handler.preset_change(1)  # switches the active snapshot; fs1 stays mapped to 0
+
+        assert w1.label == "clean"  # BUG: get_display_label() blanks it to ""
+        snapshot("after_preset_change")

From 17a0a403ca9d8ab979c96717fb89c2e590128335 Mon Sep 17 00:00:00 2001
From: Cam Gorrie <sastraxi@gmail.com>
Date: Thu, 2 Jul 2026 21:47:59 -0400
Subject: [PATCH 4/4] Nice fix

---
 pistomp/footswitch.py    |  2 ++
 tests/test_footswitch.py | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/pistomp/footswitch.py b/pistomp/footswitch.py
index cff6809b0..f4fef88c7 100755
--- a/pistomp/footswitch.py
+++ b/pistomp/footswitch.py
@@ -282,4 +282,6 @@ def clear_pedalboard_info(self):
         self.display_label = None
         self.set_category(None)
         self.preset_callback = None
+        self.preset_callback_arg = None
+        self.parameter = None
         self.clear_relays()
diff --git a/tests/test_footswitch.py b/tests/test_footswitch.py
index c504d5085..bf605b8ee 100644
--- a/tests/test_footswitch.py
+++ b/tests/test_footswitch.py
@@ -138,3 +138,21 @@ def test_clears_state(self):
             assert fs.toggled is False
             assert fs.display_label is None
             assert fs.preset_callback is None
+
+    def test_clears_preset_callback_arg(self):
+        with _make_footswitch(midi_CC=None) as fs:
+            fs.add_preset(callback=MagicMock(), callback_arg=5)
+            fs.set_display_label("Lead")
+
+            fs.clear_pedalboard_info()
+
+            assert fs.preset_callback_arg is None
+            assert fs.get_display_label() == ""
+
+    def test_clears_parameter(self):
+        with _make_footswitch(midi_CC=None) as fs:
+            fs.parameter = MagicMock()  # pyright: ignore[reportAttributeAccessIssue]
+
+            fs.clear_pedalboard_info()
+
+            assert fs.parameter is None