Fixed rumble on PS5 controllers connected to Windows over Bluetooth
diff --git a/src/hidapi/windows/hid.c b/src/hidapi/windows/hid.c
index 9fa9a57..7cdad25 100644
--- a/src/hidapi/windows/hid.c
+++ b/src/hidapi/windows/hid.c
@@ -715,13 +715,20 @@ static int hid_write_timeout(hid_device *dev, const unsigned char *data, size_t
size_t stashed_length = length;
unsigned char *buf;
+ /* If the application is writing to the device, it knows how much data to write.
+ * This matches the behavior on other platforms. It's also important when writing
+ * to Sony game controllers over Bluetooth, where there's a CRC at the end which
+ * must not be tampered with.
+ */
+ const BOOL write_exact_size = TRUE;
+
/* Make sure the right number of bytes are passed to WriteFile. Windows
expects the number of bytes which are in the _longest_ report (plus
one for the report number) bytes even if the data is a report
which is shorter than that. Windows gives us this value in
caps.OutputReportByteLength. If a user passes in fewer bytes than this,
create a temporary buffer which is the proper size. */
- if (length >= dev->output_report_length) {
+ if (write_exact_size || length >= dev->output_report_length) {
/* The user passed the right number of bytes. Use the buffer as-is. */
buf = (unsigned char *) data;
} else {