diff options
| author | Andrzej Pietrasiewicz <andrzej.p@samsung.com> | 2014-10-16 15:33:31 +0400 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2014-11-05 22:37:17 +0300 |
| commit | 6f1de344557315a8e5de0d15a28276198ca7fdac (patch) | |
| tree | f3dd990db3f31af7d14b61cca36be9429993da2c /drivers/usb/gadget/function/u_midi.h | |
| parent | 9caa0d77f7ce6ca0ec6bb81e28a93db1b6287b0f (diff) | |
| download | linux-6f1de344557315a8e5de0d15a28276198ca7fdac.tar.xz | |
usb: gadget: f_midi: add configfs support
Make the midi function available for gadgets composed with configfs.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/function/u_midi.h')
| -rw-r--r-- | drivers/usb/gadget/function/u_midi.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/u_midi.h b/drivers/usb/gadget/function/u_midi.h index 76bccc1fdbb4..22510189758e 100644 --- a/drivers/usb/gadget/function/u_midi.h +++ b/drivers/usb/gadget/function/u_midi.h @@ -22,10 +22,18 @@ 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 */ |