usb: gadget: f_uac1: add configfs support

Add support for using f_uac1 function as a component of a gadget
composed with configfs.

Tested-by: Sebastian Reimers <sebastian.reimers@googlemail.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/usb/gadget/function/u_uac1.h b/drivers/usb/gadget/function/u_uac1.h
index 214441d96fe1..f8b17fe82efe 100644
--- a/drivers/usb/gadget/function/u_uac1.h
+++ b/drivers/usb/gadget/function/u_uac1.h
@@ -66,8 +66,13 @@ struct f_uac1_opts {
         char                            *fn_play;
         char                            *fn_cap;
         char                            *fn_cntl;
-        bool                            bound;
+        unsigned                        bound:1;
+        unsigned                        fn_play_alloc:1;
+        unsigned                        fn_cap_alloc:1;
+        unsigned                        fn_cntl_alloc:1;
         struct gaudio                   *card;
+        struct mutex                    lock;
+        int                             refcnt;
 };
 
 int gaudio_setup(struct gaudio *card);