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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /drivers/usb/gadget/function/u_midi.h | |
| parent | Initial commit. (diff) | |
| download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip | |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/usb/gadget/function/u_midi.h')
| -rw-r--r-- | drivers/usb/gadget/function/u_midi.h | 37 |
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..f6e14af7f --- /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 */ + |