MAX_BUFFER         30 sound/soc/amd/acp-pcm-dma.c #define MAX_BUFFER (PLAYBACK_MAX_PERIOD_SIZE * PLAYBACK_MAX_NUM_PERIODS)
MAX_BUFFER         38 sound/soc/amd/raven/acp3x.h #define MAX_BUFFER (PLAYBACK_MAX_PERIOD_SIZE * PLAYBACK_MAX_NUM_PERIODS)