greybus: audio: topology: Add helper API to map controlid with widget name

This API is used by enumerated controls .get/.set callback functions to
fetch control id associated with a widget.

Signed-off-by: Vaibhav Agarwal <vaibhav.agarwal@linaro.org>
Reviewed-by: Mark Greer <mark.greer@animalcreek.com>
Signed-off-by: Alex Elder <elder@linaro.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/staging/greybus/audio_codec.h b/drivers/staging/greybus/audio_codec.h
index 5a19467c1623..f4936f18647b 100644
--- a/drivers/staging/greybus/audio_codec.h
+++ b/drivers/staging/greybus/audio_codec.h
@@ -123,6 +123,7 @@ struct gbaudio_widget {
 struct gbaudio_control {
 	__u8 id;
 	char *name;
+	char *wname;
 	const char * const *texts;
 	struct list_head list;
 };