usb: gadget: f_uac1: stop playback on function disable

commit cc2ac63d4cf72104e0e7f58bb846121f0f51bb19 upstream.

There is missing playback stop/cleanup in case of
gadget's ->disable callback that happens on
events like USB host resetting or gadget disconnection

Fixes: 0591bc236015 ("usb: gadget: add f_uac1 variant based on a new u_audio api")
Cc: <stable@vger.kernel.org> # 4.13+
Signed-off-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Link: https://lore.kernel.org/r/1614599375-8803-3-git-send-email-ruslan.bilovol@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c
index 29efbedc91f9b1bfe9a3d84d5c906c5fc38fc775..3f4ee28e789605c2067a982f97f05fb8690e0891 100644 (file)
--- a/drivers/usb/gadget/function/f_uac1.c
+++ b/drivers/usb/gadget/function/f_uac1.c
@@ -503,6 +503,7 @@ static void f_audio_disable(struct usb_function *f)
        uac1->as_out_alt = 0;
        uac1->as_in_alt = 0;
 
+       u_audio_stop_playback(&uac1->g_audio);
        u_audio_stop_capture(&uac1->g_audio);
 }