From: Mengdong Lin <mengdong.lin@xxxxxxxxxxxxxxx>
Kernel struct snd_soc_pcm_stream, SoC PCM stream information, needs this
field. Although current topology users don't configure this, we define it
for future extension.
Signed-off-by: Mengdong Lin <mengdong.lin@xxxxxxxxxxxxxxx>
diff --git a/include/uapi/sound/asoc.h b/include/uapi/sound/asoc.h
index f734bea..33d00a4 100644
--- a/include/uapi/sound/asoc.h
+++ b/include/uapi/sound/asoc.h
@@ -257,6 +257,7 @@ struct snd_soc_tplg_stream_caps {
__le32 period_size_max; /* max period size bytes */
__le32 buffer_size_min; /* min buffer size bytes */
__le32 buffer_size_max; /* max buffer size bytes */
+ __le32 sig_bits; /* number of bits of content */
} __attribute__((packed));
/*
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index 1e26dc6..b271248 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -1556,6 +1556,7 @@ static void set_stream_info(struct snd_soc_pcm_stream *stream,
stream->rate_min = caps->rate_min;
stream->rate_max = caps->rate_max;
stream->formats = caps->formats;
+ stream->sig_bits = caps->sig_bits;
}
static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
--
2.5.0
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