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-rw-r--r--src/pcm/pcm_local.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/pcm/pcm_local.h b/src/pcm/pcm_local.h
index 4a859cd1..b039dda0 100644
--- a/src/pcm/pcm_local.h
+++ b/src/pcm/pcm_local.h
@@ -79,6 +79,8 @@
#define SND_PCM_INFO_DOUBLE SNDRV_PCM_INFO_DOUBLE
/** device transfers samples in batch */
#define SND_PCM_INFO_BATCH SNDRV_PCM_INFO_BATCH
+/** device does perfect drain (silencing not required) */
+#define SND_PCM_INFO_PERFECT_DRAIN SNDRV_PCM_INFO_PERFECT_DRAIN
/** device accepts interleaved samples */
#define SND_PCM_INFO_INTERLEAVED SNDRV_PCM_INFO_INTERLEAVED
/** device accepts non-interleaved samples */