From 0b82f4909bb2711af7f56396b07e6b4d4757c53f Mon Sep 17 00:00:00 2001 From: Ren Jianing Date: Fri, 12 Mar 2021 09:31:10 +0800 Subject: [PATCH] usb: gadget: u_audio: disable eps when usb disconnect UAC gadget disable eps only when receiving set_alt_0. If USB is unplugged before the packet of set_alt_0, the corresponding eps will not be released and leading to UAC dysfunction when the next time the usb is plugged. Signed-off-by: Ren Jianing Change-Id: I476ef8ce64a5b04cc3fec32a28126e2eb9d5ad78 --- drivers/usb/gadget/function/u_audio.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/gadget/function/u_audio.c b/drivers/usb/gadget/function/u_audio.c index b3312808a493..1aa1d11cb7a4 100644 --- a/drivers/usb/gadget/function/u_audio.c +++ b/drivers/usb/gadget/function/u_audio.c @@ -1022,6 +1022,9 @@ void g_audio_cleanup(struct g_audio *g_audio) if (card) snd_card_free(card); + free_ep(&uac->c_prm, g_audio->out_ep); + free_ep(&uac->p_prm, g_audio->in_ep); + kfree(uac->p_prm.ureq); kfree(uac->c_prm.ureq); kfree(uac->p_prm.rbuf);