[Sound-open-firmware] [PATCH 6/6] topology: Add duplex support to 24 bit volume passthrough

[Liam Girdwood]

Signed-off-by: Liam Girdwood <liam.r.girdwood at linux.intel.com>
---
 topology/test-passthrough-24bit-48k-vol-ssp2.m4 | 34 ++++++++++++++++++++++++-
 1 file changed, 33 insertions(+), 1 deletion(-)

diff --git a/topology/test-passthrough-24bit-48k-vol-ssp2.m4 b/topology/test-passthrough-24bit-48k-vol-ssp2.m4
index 7071782..89775a7 100644
--- a/topology/test-passthrough-24bit-48k-vol-ssp2.m4
+++ b/topology/test-passthrough-24bit-48k-vol-ssp2.m4
@@ -25,7 +25,7 @@ define(`TEST_DAI_LINK_NAME', `Baytrail Audio')
 #
 # Define the pipeline
 #
-# PCM0 ---> volume ---> SSP2
+# PCM0 <---> volume <---> SSP2
 #
 
 # Low Latency playback pipeline 1 on PCM 0 using max 2 channels of s24le.
@@ -37,6 +37,38 @@ PIPELINE_PCM_DAI_ADD(sof/pipe-passthrough-vol-playback.m4,
 	48, 1000, 0, 0, 0, 1,
 	SSP, 2, s24le, 2)
 
+# Low Latency capture pipeline 2 on PCM 0 using max 2 channels of s24le.
+# Schedule 48 frames per 1000us deadline on core 0 with priority 0
+# Use DMAC 0 channel 1 for PCM audio playback data
+
+PIPELINE_PCM_DAI_ADD(sof/pipe-passthrough-vol-capture.m4,
+	2, 0, 2, s24le,
+	48, 1000, 0, 0, 0, 1,
+	SSP, 2, s24le, 2)
+
+#
+# DAI configuration
+#
+# SSP port 2 is our only pipeline DAI
+#
+
+# playback DAI is SSP2 using 2 periods
+# Buffers use s24le format, with 48 frame per 1000us on core 0 with priority 0
+DAI_ADD(sof/pipe-dai-playback.m4,
+	1, SSP, 2,
+	PIPELINE_SOURCE_1, 2, s24le,
+	48, 1000, 0, 0)
+
+# capture DAI is SSP2 using 2 periods
+# Buffers use s16le format, with 48 frame per 1000us on core 0 with priority 0
+DAI_ADD(sof/pipe-dai-capture.m4,
+	2, SSP, 2,
+	PIPELINE_SINK_2, 2, s24le,
+	48, 1000, 0, 0)
+
+# PCM Passthrough
+PCM_DUPLEX_ADD(Passthrough, 3, 0, 0, PIPELINE_PCM_1, PIPELINE_PCM_2)
+
 #
 # BE configurations - overrides config in ACPI if present
 #
-- 
2.14.1