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-rw-r--r--drivers/usb/gadget/f_audio.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/usb/gadget/f_audio.c b/drivers/usb/gadget/f_audio.c
index 7b05b3c8c0b..98e9bb97729 100644
--- a/drivers/usb/gadget/f_audio.c
+++ b/drivers/usb/gadget/f_audio.c
@@ -28,6 +28,9 @@ static int audio_buf_size = 48000;
module_param(audio_buf_size, int, S_IRUGO);
MODULE_PARM_DESC(audio_buf_size, "Audio buffer size");
+static int generic_set_cmd(struct usb_audio_control *con, u8 cmd, int value);
+static int generic_get_cmd(struct usb_audio_control *con, u8 cmd);
+
/*
* DESCRIPTORS ... most are static, but strings and full
* configuration descriptors are built on demand.
@@ -632,6 +635,18 @@ f_audio_unbind(struct usb_configuration *c, struct usb_function *f)
/*-------------------------------------------------------------------------*/
+static int generic_set_cmd(struct usb_audio_control *con, u8 cmd, int value)
+{
+ con->data[cmd] = value;
+
+ return 0;
+}
+
+static int generic_get_cmd(struct usb_audio_control *con, u8 cmd)
+{
+ return con->data[cmd];
+}
+
/* Todo: add more control selecotor dynamically */
int __init control_selector_init(struct f_audio *audio)
{