[Sound-open-firmware] [PATCH 3/6] topology: Add duplex support to test passthrough pipe

[Liam Girdwood]

Signed-off-by: Liam Girdwood <liam.r.girdwood at linux.intel.com>
---
 .../test-passthrough-16bit-48k-ssp2-nocodec.m4     | 43 +++++++++++++++++++---
 1 file changed, 38 insertions(+), 5 deletions(-)

diff --git a/topology/test-passthrough-16bit-48k-ssp2-nocodec.m4 b/topology/test-passthrough-16bit-48k-ssp2-nocodec.m4
index a1c0988..76bd75b 100644
--- a/topology/test-passthrough-16bit-48k-ssp2-nocodec.m4
+++ b/topology/test-passthrough-16bit-48k-ssp2-nocodec.m4
@@ -25,24 +25,57 @@ define(`TEST_DAI_LINK_NAME', `NoCodec')
 #
 # Define the pipeline
 #
-# PCM0 ----> SSP2
+# PCM0 <---> SSP2
 #
 
-# Low Latency playback pipeline 1 on PCM 0 using max 2 channels of s24le.
+# Passthrough playback pipeline 1 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-playback.m4, 
-	1, 0, 2, s16le, 
+PIPELINE_PCM_DAI_ADD(sof/pipe-passthrough-playback.m4,
+	1, 0, 2, s16le,
 	48, 1000, 0, 0, 0, 1,
 	SSP, 2, s16le, 2)
 
+
+# Passthrough playback 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-capture.m4,
+	2, 0, 2, s16le,
+	48, 1000, 0, 0, 0, 1,
+	SSP, 2, s16le, 2)
+
+#
+# DAI configuration
+#
+# SSP port 2 is our only pipeline DAI
+#
+
+# playback 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-playback.m4,
+	1, SSP, 2,
+	PIPELINE_SOURCE_1, 2, s16le,
+	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, s16le,
+	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
 #
 # Clocks masters wrt codec
 #
-# 24bit I2S using 25bit sample conatiner on SSP2
+# 16bit I2S using 20bit sample conatiner on SSP2
 #
 DAI_CONFIG(SSP, 2, TEST_DAI_LINK_NAME, I2S, 16,
 	DAI_CLOCK(mclk, 19200000, slave),
-- 
2.14.1