From 722ab32d259bad3b0cdbbd67a025ed9f1d0c80c6 Mon Sep 17 00:00:00 2001
From: Libin Yang <libin.yang@intel.com>
Date: Tue, 16 Apr 2019 15:20:55 +0800
Subject: [PATCH] topology: sof: add pipe-passthrough-capture_16k.m4

DMIC16k only supports 16000Hz sample rate. pipe-passthough-capture.m4
only supports 48000Hz. Add pipe-passthrough-capture_16k.m4 to support 16KHz
record.

Signed-off-by: Libin Yang <libin.yang@intel.com>
---
 .../sof/pipe-passthrough-capture_16k.m4       | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 tools/topology/sof/pipe-passthrough-capture_16k.m4

diff --git a/tools/topology/sof/pipe-passthrough-capture_16k.m4 b/tools/topology/sof/pipe-passthrough-capture_16k.m4
new file mode 100644
index 000000000000..f711caf85c14
--- /dev/null
+++ b/tools/topology/sof/pipe-passthrough-capture_16k.m4
@@ -0,0 +1,50 @@
+# Capture Passthrough Pipeline and PCM for 16KHz
+# This is a temporary solution. After FW supports the
+# refinement of sample rate, this file will be removed
+# and the default Passthrough will support all kinds
+# of sample rates.
+#
+# Pipeline Endpoints for connection are :-
+#
+#  host PCM_C <-- B0 <-- sink DAI0
+
+# Include topology builder
+include(`utils.m4')
+include(`buffer.m4')
+include(`pcm.m4')
+include(`dai.m4')
+include(`pipeline.m4')
+
+#
+# Components and Buffers
+#
+
+# Host "Passthrough Capture" PCM
+# with 0 sink and 2 source periods
+W_PCM_CAPTURE(PCM_ID, Passthrough Capture, 0, 2)
+
+# Capture Buffers
+W_BUFFER(0, COMP_BUFFER_SIZE(2,
+	COMP_SAMPLE_SIZE(PIPELINE_FORMAT), PIPELINE_CHANNELS, SCHEDULE_FRAMES),
+	PLATFORM_PASS_MEM_CAP)
+
+#
+# Pipeline Graph
+#
+#  host PCM_C <-- B0 <-- sink DAI0
+
+P_GRAPH(pipe-pass-capture-PIPELINE_ID, PIPELINE_ID,
+	LIST(`		',
+	`dapm(N_PCMC(PCM_ID), N_BUFFER(0))'))
+
+#
+# Pipeline Source and Sinks
+#
+indir(`define', concat(`PIPELINE_SINK_', PIPELINE_ID), N_BUFFER(0))
+indir(`define', concat(`PIPELINE_PCM_', PIPELINE_ID), Passthrough Capture PCM_ID)
+
+#
+# PCM Configuration
+#
+
+PCM_CAPABILITIES(Passthrough Capture PCM_ID, COMP_FORMAT_NAME(PIPELINE_FORMAT), 16000, 16000,  PIPELINE_CHANNELS, PIPELINE_CHANNELS, 2, 16, 192, 16384, 65536, 65536)