1 files changed, 27 insertions, 0 deletions
diff --git a/sound/firewire/fireface/ff-protocol-ff800.c b/sound/firewire/fireface/ff-protocol-ff800.c
new file mode 100644
index 000000000000..d24439734304
--- /dev/null
+++ b/sound/firewire/fireface/ff-protocol-ff800.c
@@ -0,0 +1,27 @@
+/*
+ * ff-protocol-ff800.c - a part of driver for RME Fireface series
+ *
+ * Copyright (c) 2018 Takashi Sakamoto
+ *
+ * Licensed under the terms of the GNU General Public License, version 2.
+ */
+
+#include "ff.h"
+
+static void ff800_handle_midi_msg(struct snd_ff *ff, __le32 *buf, size_t length)
+{
+	int i;
+
+	for (i = 0; i < length / 4; i++) {
+		u8 byte = le32_to_cpu(buf[i]) & 0xff;
+		struct snd_rawmidi_substream *substream;
+
+		substream = READ_ONCE(ff->tx_midi_substreams[0]);
+		if (substream)
+			snd_rawmidi_receive(substream, &byte, 1);
+	}
+}
+
+const struct snd_ff_protocol snd_ff_protocol_ff800 = {
+	.handle_midi_msg	= ff800_handle_midi_msg,
+};