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topology: Add CHANNELS_MIN macro for passthrough pipeline 

Add macro to restrict channel number of PCM capabilities, this will
allow channels_min to be configurable. The default behavior is
not changed with this patch.

Signed-off-by: Yong Zhi <yong.zhi@intel.com>
This commit is contained in:
Yong Zhi 2021-03-29 17:09:29 -05:00 committed by Liam Girdwood
parent 5447a4f7b1
commit e81c25eab7
2 changed files with 8 additions and 2 deletions
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5
tools/topology/sof/pipe-passthrough-capture.m4
View File

@ -39,8 +39,11 @@ P_GRAPH(pipe-pass-capture-PIPELINE_ID, PIPELINE_ID,
indir(`define', concat(`PIPELINE_SINK_', PIPELINE_ID), N_BUFFER(0))
indir(`define', concat(`PIPELINE_PCM_', PIPELINE_ID), Passthrough Capture PCM_ID)
ifdef(`CHANNELS_MIN',`',
`define(CHANNELS_MIN, `PIPELINE_CHANNELS')')
#
# PCM Configuration
#
PCM_CAPABILITIES(Passthrough Capture PCM_ID, COMP_FORMAT_NAME(PIPELINE_FORMAT), PCM_MIN_RATE, PCM_MAX_RATE, PIPELINE_CHANNELS, PIPELINE_CHANNELS, 2, 16, 192, 16384, 65536, 65536)
PCM_CAPABILITIES(Passthrough Capture PCM_ID, COMP_FORMAT_NAME(PIPELINE_FORMAT), PCM_MIN_RATE, PCM_MAX_RATE, CHANNELS_MIN, PIPELINE_CHANNELS, 2, 16, 192, 16384, 65536, 65536)

5
tools/topology/sof/pipe-passthrough-playback.m4
View File

@ -39,8 +39,11 @@ P_GRAPH(pipe-pass-playback-PIPELINE_ID, PIPELINE_ID,
indir(`define', concat(`PIPELINE_SOURCE_', PIPELINE_ID), N_BUFFER(0))
indir(`define', concat(`PIPELINE_PCM_', PIPELINE_ID), Passthrough Playback PCM_ID)
ifdef(`CHANNELS_MIN',`',
`define(CHANNELS_MIN, `2')')
#
# PCM Configuration
#
PCM_CAPABILITIES(Passthrough Playback PCM_ID, COMP_FORMAT_NAME(PIPELINE_FORMAT), PCM_MIN_RATE, PCM_MAX_RATE, 2, PIPELINE_CHANNELS, 2, 16, 192, 16384, 65536, 65536)
PCM_CAPABILITIES(Passthrough Playback PCM_ID, COMP_FORMAT_NAME(PIPELINE_FORMAT), PCM_MIN_RATE, PCM_MAX_RATE, CHANNELS_MIN, PIPELINE_CHANNELS, 2, 16, 192, 16384, 65536, 65536)