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-rw-r--r--include/sound/hdmi-codec.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/include/sound/hdmi-codec.h b/include/sound/hdmi-codec.h
index 4b3a1d374b90..4fc733c8c570 100644
--- a/include/sound/hdmi-codec.h
+++ b/include/sound/hdmi-codec.h
@@ -65,13 +65,23 @@ struct hdmi_codec_ops {
/*
* Configures HDMI-encoder for audio stream.
- * Mandatory
+ * Having either prepare or hw_params is mandatory.
*/
int (*hw_params)(struct device *dev, void *data,
struct hdmi_codec_daifmt *fmt,
struct hdmi_codec_params *hparms);
/*
+ * Configures HDMI-encoder for audio stream. Can be called
+ * multiple times for each setup.
+ *
+ * Having either prepare or hw_params is mandatory.
+ */
+ int (*prepare)(struct device *dev, void *data,
+ struct hdmi_codec_daifmt *fmt,
+ struct hdmi_codec_params *hparms);
+
+ /*
* Shuts down the audio stream.
* Mandatory
*/