diff mbox series

[v5,10/10] usb: gadget: f_uac1: Add suspend callback

Message ID 20220121155308.48794-11-pavel.hofman@ivitera.com
State New
Headers show
Series usb: gadget: audio: Multiple rates, notify | expand

Commit Message

Pavel Hofman Jan. 21, 2022, 3:53 p.m. UTC 
Add suspend callback to f_uac1 function, calling corresponding method
of u_audio in order to stop the respective PCM streams and to notify
subscribed clients about the stop.

Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
---
v3: fixed commit title and msg
---
 drivers/usb/gadget/function/f_uac1.c | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c
index 73df76a6fbe0..1484e5c231d3 100644
--- a/drivers/usb/gadget/function/f_uac1.c
+++ b/drivers/usb/gadget/function/f_uac1.c
@@ -961,6 +961,14 @@  static void f_audio_disable(struct usb_function *f)
 		usb_ep_disable(uac1->int_ep);
 }
 
+static void
+f_audio_suspend(struct usb_function *f)
+{
+	struct f_uac1 *uac1 = func_to_uac1(f);
+
+	u_audio_suspend(&uac1->g_audio);
+}
+
 /*-------------------------------------------------------------------------*/
 static struct uac_feature_unit_descriptor *build_fu_desc(int chmask)
 {
@@ -1691,6 +1699,7 @@  static struct usb_function *f_audio_alloc(struct usb_function_instance *fi)
 	uac1->g_audio.func.get_alt = f_audio_get_alt;
 	uac1->g_audio.func.setup = f_audio_setup;
 	uac1->g_audio.func.disable = f_audio_disable;
+	uac1->g_audio.func.suspend = f_audio_suspend;
 	uac1->g_audio.func.free_func = f_audio_free;
 
 	return &uac1->g_audio.func;