From 7daeceef4a2b80f4d849ec55a72a6450020c8c0c Mon Sep 17 00:00:00 2001
From: Roy Eric <139973278+Randomidous@users.noreply.github.com>
Date: Fri, 24 Jan 2025 17:05:25 +0100
Subject: [PATCH] BUGFIX: return events if provided when current = desired
 sfreq (#13070)

Co-authored-by: Eric Larson <larson.eric.d@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Daniel McCloy <dan@mccloy.info>
---
 doc/changes/devel/13070.bugfix.rst |  1 +
 doc/changes/names.inc              |  1 +
 mne/io/base.py                     |  5 ++++-
 mne/io/fiff/tests/test_raw_fiff.py | 10 ++++++++++
 4 files changed, 16 insertions(+), 1 deletion(-)
 create mode 100644 doc/changes/devel/13070.bugfix.rst

diff --git a/doc/changes/devel/13070.bugfix.rst b/doc/changes/devel/13070.bugfix.rst
new file mode 100644
index 00000000000..3c6a3c25082
--- /dev/null
+++ b/doc/changes/devel/13070.bugfix.rst
@@ -0,0 +1 @@
+Return events when requested even when current matches the desired sfreq in :meth:`mne.io.Raw.resample` by :newcontrib:`Roy Eric Wieske`.
\ No newline at end of file
diff --git a/doc/changes/names.inc b/doc/changes/names.inc
index eb444c5e594..5a58ac0fa34 100644
--- a/doc/changes/names.inc
+++ b/doc/changes/names.inc
@@ -258,6 +258,7 @@
 .. _Roman Goj: https://romanmne.blogspot.co.uk
 .. _Ross Maddox: https://www.urmc.rochester.edu/labs/maddox-lab.aspx
 .. _Rotem Falach: https://github.com/Falach
+.. _Roy Eric Wieske: https://github.com/Randomidous
 .. _Sammi Chekroud: https://github.com/schekroud
 .. _Samu Taulu: https://phys.washington.edu/people/samu-taulu
 .. _Samuel Deslauriers-Gauthier: https://github.com/sdeslauriers
diff --git a/mne/io/base.py b/mne/io/base.py
index 280330367f7..b3052b80aff 100644
--- a/mne/io/base.py
+++ b/mne/io/base.py
@@ -1386,7 +1386,10 @@ def resample(
         sfreq = float(sfreq)
         o_sfreq = float(self.info["sfreq"])
         if _check_resamp_noop(sfreq, o_sfreq):
-            return self
+            if events is not None:
+                return self, events.copy()
+            else:
+                return self
 
         # When no event object is supplied, some basic detection of dropped
         # events is performed to generate a warning. Finding events can fail
diff --git a/mne/io/fiff/tests/test_raw_fiff.py b/mne/io/fiff/tests/test_raw_fiff.py
index 1ae0cc52901..3ae49189161 100644
--- a/mne/io/fiff/tests/test_raw_fiff.py
+++ b/mne/io/fiff/tests/test_raw_fiff.py
@@ -23,6 +23,7 @@
     concatenate_events,
     create_info,
     equalize_channels,
+    events_from_annotations,
     find_events,
     make_fixed_length_epochs,
     pick_channels,
@@ -1318,6 +1319,15 @@ def test_crop():
     assert raw.n_times - 1 == raw3.n_times
 
 
+@testing.requires_testing_data
+def test_resample_with_events():
+    """Test resampling raws with events."""
+    raw = read_raw_fif(fif_fname)
+    raw.resample(250)  # pretend raw is recorded at 250 Hz
+    events, _ = events_from_annotations(raw)
+    raw, events = raw.resample(250, events=events)
+
+
 @testing.requires_testing_data
 def test_resample_equiv():
     """Test resample (with I/O and multiple files)."""