memcg: update TODO list in Documentation

[~andy/linux] / include / sound / dmaengine_pcm.h

diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h
index b1d1150c1d606bfbd74f9b922ac0ca908773b97c..f11c35cd5532df9d549bee84fa4d414837ccc2b3 100644 (file)
--- a/include/sound/dmaengine_pcm.h
+++ b/include/sound/dmaengine_pcm.h
@@ -91,6 +91,11 @@ void snd_dmaengine_pcm_set_config_from_dai_data(
  * bytes that are still left to transfer.
  */
 #define SND_DMAENGINE_PCM_FLAG_NO_RESIDUE BIT(2)
+/*
+ * The PCM is half duplex and the DMA channel is shared between capture and
+ * playback.
+ */
+#define SND_DMAENGINE_PCM_FLAG_HALF_DUPLEX BIT(3)
 
 /**
  * struct snd_dmaengine_pcm_config - Configuration data for dmaengine based PCM