On Fri, Dec 27, 2019 at 06:20:50PM +0530, Ravulapati Vishnu vardhan rao wrote: > ASoC: PCM DMA driver should only have dma ops. > So Removed all DAI related functionality.Refactoring > the PCM DMA diver code.Added new file containing only DAI ops This breaks the build: CC sound/soc/amd/raven/acp3x-i2s.o In file included from sound/soc/amd/raven/pci-acp3x.c:13: sound/soc/amd/raven/acp3x.h: In function ‘acp_get_byte_count’: sound/soc/amd/raven/acp3x.h:94:19: error: ‘SNDRV_PCM_STREAM_PLAYBACK’ undeclared (first use in this function) if (direction == SNDRV_PCM_STREAM_PLAYBACK) { ^~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/amd/raven/acp3x.h:94:19: note: each undeclared identifier is reported only once for each function it appears in