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Diffstat (limited to 'drivers/usb/gadget/function/u_midi.h')
-rw-r--r--drivers/usb/gadget/function/u_midi.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/u_midi.h b/drivers/usb/gadget/function/u_midi.h
new file mode 100644
index 000000000..2e400b495
--- /dev/null
+++ b/drivers/usb/gadget/function/u_midi.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * u_midi.h
+ *
+ * Utility definitions for the midi function
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
+ */
+
+#ifndef U_MIDI_H
+#define U_MIDI_H
+
+#include <linux/usb/composite.h>
+
+struct f_midi_opts {
+ struct usb_function_instance func_inst;
+ int index;
+ char *id;
+ bool id_allocated;
+ unsigned int in_ports;
+ unsigned int out_ports;
+ unsigned int buflen;
+ unsigned int qlen;
+
+ /*
+ * Protect the data form concurrent access by read/write
+ * and create symlink/remove symlink.
+ */
+ struct mutex lock;
+ int refcnt;
+};
+
+#endif /* U_MIDI_H */
+