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[02/13] ASoC: topology: ABI - Add sig_bits to stream caps

Message ID d9147786c40ccf5eeb461c06ae008c4f22c68e7a.1471599648.git.mengdong.lin@linux.intel.com (mailing list archive)
State Accepted
Commit f918e1697b1a8f2f26a4813db053cfbcafc48046
Headers show

Commit Message

mengdong.lin@linux.intel.com Aug. 19, 2016, 10:12 a.m. UTC
From: Mengdong Lin <mengdong.lin@linux.intel.com>

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>
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Patch

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,