SNDRV_PCM_INFO_HALF_DUPLEX 291 include/uapi/sound/asound.h #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ SNDRV_PCM_INFO_HALF_DUPLEX 291 tools/include/uapi/sound/asound.h #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */