[alsa-devel] [PATCH 7/8] ASoC: topology: ABI - Add configuration for BE & Codec-Codec DAI Links

mengdong.lin at intel.com mengdong.lin at intel.com
Wed Sep 30 11:13:43 CEST 2015


From: Vedang Patel <vedang.patel at intel.com>

struct snd_soc_tplg_link_config is defined to configure BE & CC links.

Signed-off-by: Vedang Patel <vedang.patel at intel.com>
Signed-off-by: Mengdong Lin <mengdong.lin at intel.com>

diff --git a/include/uapi/sound/asoc.h b/include/uapi/sound/asoc.h
index f75fd29..538ea13 100644
--- a/include/uapi/sound/asoc.h
+++ b/include/uapi/sound/asoc.h
@@ -395,4 +395,21 @@ struct snd_soc_tplg_pcm {
 	struct snd_soc_tplg_stream_caps caps[2]; /* playback and capture for DAI */
 } __attribute__((packed));
 
+
+/*
+ * Describes the BE or CC link runtime supported configs or params
+ *
+ * File block representation for BE/CC link config :-
+ * +-----------------------------------+-----+
+ * | struct snd_soc_tplg_hdr           |  1  |
+ * +-----------------------------------+-----+
+ * | struct snd_soc_tplg_link_config   |  N  |
+ * +-----------------------------------+-----+
+ */
+struct snd_soc_tplg_link_config {
+	__le32 size;            /* in bytes of this structure */
+	__le32 id;              /* unique ID - used to match */
+	struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* supported configs playback and captrure */
+	__le32 num_streams;     /* number of streams */
+} __attribute__((packed));
 #endif
-- 
1.9.1



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