test: add an option to skip the DMIC pipelines

On some new platform, the DMIC support is not ready at the
early stage, add an option to disable the DMIC pipelines.

Signed-off-by: Keqiao Zhang <keqiao.zhang@intel.com>

Author: keqiaozhang

case-lib/config.sh

@@ -58,6 +58,12 @@ SUDO_LEVEL=${SUDO_LEVEL:-}
 #
 # NO_BT_MODE=true
 
+# Sometimes the DMIC support is not ready on some new platforms.
+# We want to skip the DMIC test for some purposes. Add an option
+# to skip the DMIC pipeline.
+#
+# NO_DMIC_MODE=true
+
 # SOF_TEST_INTERVAL informs sof-test of how long the external test
 # runner waits between the end of one sof-test and the start of the next
 # sof-test. sof-test uses this value to assign the corresponding kernel

case-lib/pipeline.sh

@@ -53,6 +53,8 @@ func_pipeline_export()
     [ -z "$NO_HDMI_MODE" ] || opt="$opt & ~pcm:HDMI"
     # In no Bluetooth mode, exclude BT pipelines
     [ -z "$NO_BT_MODE" ] || opt="$opt & ~pcm:Bluetooth"
+    # In no DMIC mode, exclude DMIC pipelines
+    [ -z "$NO_DMIC_MODE" ] || opt="$opt & ~pcm:DMIC"
     opt="-f '${opt}'"
 
     [[ "$ignore" ]] && opt="$opt -b '$ignore'"