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authorMengdong Lin <mengdong.lin@linux.intel.com>2016-08-19 18:12:46 +0800
committerMark Brown <broonie@kernel.org>2016-08-22 18:55:30 +0100
commitf918e1697b1a8f2f26a4813db053cfbcafc48046 (patch)
tree33c7622f06b0c6b83a6b2eed831fb9a9c8e629d3
parent8ae3ea48df0d746b663057cf0b972a18d0777b7b (diff)
ASoC: topology: ABI - Add sig_bits to stream caps
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@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--include/uapi/sound/asoc.h1
-rw-r--r--sound/soc/soc-topology.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/sound/asoc.h b/include/uapi/sound/asoc.h
index f734bea9a032..33d00a4ce656 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 a9e83a2dd91c..6b05047a4134 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,