ALSA: seq: ump: Fix conversion from MIDI2 to MIDI1 UMP messages

The conversion from MIDI2 to MIDI1 UMP messages had a leftover
artifact (superfluous bit shift), and this resulted in the bogus type
check, leading to empty outputs.  Let's fix it.

Fixes: e9e0281 ("ALSA: seq: Automatic conversion of UMP events")
Cc: <stable@vger.kernel.org>
Link: alsa-project/alsa-utils#262
Message-ID: <20240419100442.14806-1-tiwai@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

Author: tiwai

sound/core/seq/seq_ump_convert.c

@@ -428,7 +428,7 @@ static int cvt_ump_midi2_to_midi1(struct snd_seq_client *dest,
 	midi1->note.group = midi2->note.group;
 	midi1->note.status = midi2->note.status;
 	midi1->note.channel = midi2->note.channel;
-	switch (midi2->note.status << 4) {
+	switch (midi2->note.status) {
 	case UMP_MSG_STATUS_NOTE_ON:
 	case UMP_MSG_STATUS_NOTE_OFF:
 		midi1->note.note = midi2->note.note;