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-rw-r--r--include/sound/asound.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/sound/asound.h b/include/sound/asound.h
index a2e4ff5ba9e9..0876a1e76aef 100644
--- a/include/sound/asound.h
+++ b/include/sound/asound.h
@@ -70,6 +70,20 @@ struct snd_aes_iec958 {
/****************************************************************************
* *
+ * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort *
+ * *
+ ****************************************************************************/
+
+struct snd_cea_861_aud_if {
+ unsigned char db1_ct_cc; /* coding type and channel count */
+ unsigned char db2_sf_ss; /* sample frequency and size */
+ unsigned char db3; /* not used, all zeros */
+ unsigned char db4_ca; /* channel allocation code */
+ unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */
+};
+
+/****************************************************************************
+ * *
* Section for driver hardware dependent interface - /dev/snd/hw? *
* *
****************************************************************************/