Currently it support only dual direction pcm with PCM_DUPLEX_ADD, definitely we need add single direction(playback or capture only) pcm in many cases.

Here add implementation of PCM_PLAYBACK_ADD add PCM_CAPTURE_ADD, for playback and capture respectively.

Signed-off-by: Keyon Jie yang.jie@linux.intel.com --- topology/m4/local.m4 | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+)

diff --git a/topology/m4/local.m4 b/topology/m4/local.m4 index c0ffef2..46abaab 100644 --- a/topology/m4/local.m4 +++ b/topology/m4/local.m4 @@ -476,6 +476,46 @@ define(`COMP_SAMPLE_SIZE', dnl COMP_BUFFER_SIZE( num_periods, sample_size, channels, fmames) define(`COMP_BUFFER_SIZE', `eval(`$1 * $2 * $3 * $4')')

+dnl PCM_PLAYBACK_ADD(name, pipeline, pcm_id, dai_id, playback) +define(`PCM_PLAYBACK_ADD', +`SectionPCM.STR($1) {' +`' +` index STR($2)' +`' +` # used for binding to the PCM' +` id STR($3)' +`' +` dai.STR($1 $3) {' +` id STR($4)' +` }' +`' +` pcm."playback" {' +`' +` capabilities STR($5)' +` }' +`' +`}') + +dnl PCM_CAPTURE_ADD(name, pipeline, pcm_id, dai_id, capture) +define(`PCM_CAPTURE_ADD', +`SectionPCM.STR($1) {' +`' +` index STR($2)' +`' +` # used for binding to the PCM' +` id STR($3)' +`' +` dai.STR($1 $3) {' +` id STR($4)' +` }' +`' +` pcm."capture" {' +`' +` capabilities STR($5)' +` }' +`' +`}') + dnl PCM_DUPLEX_ADD(name, pipeline, pcm_id, dai_id, playback, capture) define(`PCM_DUPLEX_ADD', `SectionPCM.STR($1) {'