diff --git a/buildroot-external/board/raspberrypi/rootfs-overlay/etc/pulse/seeed-voicecard-2mic-daemon.conf b/buildroot-external/board/raspberrypi/rootfs-overlay/etc/pulse/seeed-voicecard-2mic-daemon.conf
deleted file mode 100644
index b7fac063..00000000
--- a/buildroot-external/board/raspberrypi/rootfs-overlay/etc/pulse/seeed-voicecard-2mic-daemon.conf
+++ /dev/null
@@ -1,94 +0,0 @@
-# This file is part of PulseAudio.
-#
-# PulseAudio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# PulseAudio is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with PulseAudio; if not, see .
-
-## Configuration file for the PulseAudio daemon. See pulse-daemon.conf(5) for
-## more information. Default values are commented out. Use either ; or # for
-## commenting.
-
-; daemonize = no
-; fail = yes
-; allow-module-loading = yes
-; allow-exit = yes
-; use-pid-file = yes
-; system-instance = no
-; local-server-type = user
-; enable-shm = yes
-; enable-memfd = yes
-; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB
-; lock-memory = no
-; cpu-limit = no
-
-; high-priority = yes
-; nice-level = -11
-
-; realtime-scheduling = yes
-; realtime-priority = 5
-
-; exit-idle-time = 20
-; scache-idle-time = 20
-
-; dl-search-path = (depends on architecture)
-
-; load-default-script-file = yes
-; default-script-file = /etc/pulse/default.pa
-
-; log-target = auto
-; log-level = notice
-; log-meta = no
-; log-time = no
-; log-backtrace = 0
-
-; resample-method = speex-float-1
-; enable-remixing = yes
-; enable-lfe-remixing = no
-; lfe-crossover-freq = 0
-
-; flat-volumes = yes
-
-; rlimit-fsize = -1
-; rlimit-data = -1
-; rlimit-stack = -1
-; rlimit-core = -1
-; rlimit-as = -1
-; rlimit-rss = -1
-; rlimit-nproc = -1
-; rlimit-nofile = 256
-; rlimit-memlock = -1
-; rlimit-locks = -1
-; rlimit-sigpending = -1
-; rlimit-msgqueue = -1
-; rlimit-nice = 31
-; rlimit-rtprio = 9
-; rlimit-rttime = 200000
-
-; default-sample-format = s16le
-; default-sample-rate = 96000
-; alternate-sample-rate = 48000
-; default-sample-channels = 4
-; default-channel-map = front-left,front-right
-
-; default-fragments = 4
-; default-fragment-size-msec = 25
-
-; enable-deferred-volume = yes
-; deferred-volume-safety-margin-usec = 8000
-; deferred-volume-extra-delay-usec = 0
-
-# OpenVoiceOS Audio Settings
-resample-method = ffmpeg
-default-sample-format = s24le
-default-sample-rate = 48000
-alternate-sample-rate = 44100
-default-sample-channels = 2
diff --git a/buildroot-external/board/raspberrypi/rootfs-overlay/etc/pulse/seeed-voicecard-2mic-default.pa b/buildroot-external/board/raspberrypi/rootfs-overlay/etc/pulse/seeed-voicecard-2mic-default.pa
deleted file mode 100644
index 5413f4a2..00000000
--- a/buildroot-external/board/raspberrypi/rootfs-overlay/etc/pulse/seeed-voicecard-2mic-default.pa
+++ /dev/null
@@ -1,155 +0,0 @@
-#!/usr/bin/pulseaudio -nF
-#
-# This file is part of PulseAudio.
-#
-# PulseAudio is free software; you can redistribute it and/or modify it
-# under the terms of the GNU Lesser General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# PulseAudio is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with PulseAudio; if not, see .
-
-# This startup script is used only if PulseAudio is started per-user
-# (i.e. not in system mode)
-
-.fail
-
-### Automatically restore the volume of streams and devices
-load-module module-device-restore
-load-module module-stream-restore
-load-module module-card-restore
-
-### Automatically augment property information from .desktop files
-### stored in /usr/share/application
-load-module module-augment-properties
-
-### Should be after module-*-restore but before module-*-detect
-load-module module-switch-on-port-available
-
-### Load audio drivers statically
-### (it's probably better to not load these drivers manually, but instead
-### use module-udev-detect -- see below -- for doing this automatically)
-#load-module module-alsa-sink device="hw:1,0" channels=8 rate=48000 format=s32le
-#load-module module-alsa-source device="hw:1,0" channels=8 rate=48000 format=s32le
-#load-module module-oss device="/dev/dsp" sink_name=output source_name=input
-#load-module module-oss-mmap device="/dev/dsp" sink_name=output source_name=input
-#load-module module-null-sink
-#load-module module-pipe-sink
-
-### Automatically load driver modules depending on the hardware available
-.ifexists module-udev-detect.so
-load-module module-udev-detect tsched=0
-#channels=8 rate=48000 format=s32le
-.else
-### Use the static hardware detection module (for systems that lack udev support)
-load-module module-detect
-.endif
-
-### Automatically connect sink and source if JACK server is present
-.ifexists module-jackdbus-detect.so
-.nofail
-load-module module-jackdbus-detect channels=2
-.fail
-.endif
-
-### Automatically load driver modules for Bluetooth hardware
-.ifexists module-bluetooth-policy.so
-load-module module-bluetooth-policy
-.endif
-
-.ifexists module-bluetooth-discover.so
-load-module module-bluetooth-discover
-.endif
-
-### Load several protocols
-.ifexists module-esound-protocol-unix.so
-load-module module-esound-protocol-unix
-.endif
-load-module module-native-protocol-unix auth-anonymous=1
-
-### Network access (may be configured with paprefs, so leave this commented
-### here if you plan to use paprefs)
-#load-module module-esound-protocol-tcp
-load-module module-native-protocol-tcp auth-ip-acl=127.0.0.1;192.168.0.0/16;172.16.0.0/12;10.0.0.0/8 auth-anonymous=1
-load-module module-zeroconf-publish
-
-### Load the RTP receiver module (also configured via paprefs, see above)
-#load-module module-rtp-recv
-
-### Load the RTP sender module (also configured via paprefs, see above)
-#load-module module-null-sink sink_name=rtp format=s16be channels=2 rate=44100 sink_properties="device.description='RTP Multicast Sink'"
-#load-module module-rtp-send source=rtp.monitor
-
-### Load additional modules from GConf settings. This can be configured with the paprefs tool.
-### Please keep in mind that the modules configured by paprefs might conflict with manually
-### loaded modules.
-.ifexists module-gconf.so
-.nofail
-load-module module-gconf
-.fail
-.endif
-
-### Automatically restore the default sink/source when changed by the user
-### during runtime
-### NOTE: This should be loaded as early as possible so that subsequent modules
-### that look up the default sink/source get the right value
-load-module module-default-device-restore
-
-### Automatically move streams to the default sink if the sink they are
-### connected to dies, similar for sources
-load-module module-rescue-streams
-
-### Make sure we always have a sink around, even if it is a null sink.
-load-module module-always-sink
-
-### Honour intended role device property
-load-module module-intended-roles
-
-### Automatically suspend sinks/sources that become idle for too long
-load-module module-suspend-on-idle
-
-### If autoexit on idle is enabled we want to make sure we only quit
-### when no local session needs us anymore.
-.ifexists module-console-kit.so
-load-module module-console-kit
-.endif
-.ifexists module-systemd-login.so
-load-module module-systemd-login
-.endif
-
-### Enable positioned event sounds
-load-module module-position-event-sounds
-
-### Cork music/video streams when a phone stream is active
-load-module module-role-cork
-
-### Modules to allow autoloading of filters (such as echo cancellation)
-### on demand. module-filter-heuristics tries to determine what filters
-### make sense, and module-filter-apply does the heavy-lifting of
-### loading modules and rerouting streams.
-load-module module-filter-heuristics
-load-module module-filter-apply
-
-### Make some devices default
-#set-default-sink output
-#set-default-source input
-#set-default-source alsa_input.platform-soc_sound.seeed-source
-#set-default-sink alsa_output.platform-soc_sound.seeed-sink
-
-### OpenVoiceOS Audio Settings
-unload-module module-suspend-on-idle
-unload-module module-role-cork
-load-module module-role-ducking
-load-module module-combine-sink sink_name=OpenVoiceOS
-set-default-sink OpenVoiceOS
-
-### Enable Echo/Noise-Cancellation
-#load-module module-echo-cancel aec_method=webrtc source_name=echoCancel_source sink_name=echoCancel_sink
-#set-default-source echoCancel_source
-#set-default-sink echoCancel_sink
diff --git a/buildroot-external/package/respeaker/0001-Add-2mic-pulse-support.patch b/buildroot-external/package/respeaker/0001-Add-2mic-pulse-support.patch
deleted file mode 100644
index 2fed7d06..00000000
--- a/buildroot-external/package/respeaker/0001-Add-2mic-pulse-support.patch
+++ /dev/null
@@ -1,317 +0,0 @@
-From 10fb065c9735e4a04cfc251a31529083f55c16fd Mon Sep 17 00:00:00 2001
-From: j1nx
-Date: Thu, 27 Aug 2020 13:33:47 +0200
-Subject: [PATCH 1/1] Add 2mic pulse support
-
----
- pulseaudio/91-seeedvoicecard.rules | 3 +-
- pulseaudio/pulse_config_2mic/daemon.conf | 87 +++++++++++
- pulseaudio/pulse_config_2mic/default.pa | 143 ++++++++++++++++++
- .../pulse_config_2mic/seeed-voicecard.conf | 36 +++++
- 4 files changed, 268 insertions(+), 1 deletion(-)
- create mode 100644 pulseaudio/pulse_config_2mic/daemon.conf
- create mode 100644 pulseaudio/pulse_config_2mic/default.pa
- create mode 100644 pulseaudio/pulse_config_2mic/seeed-voicecard.conf
-
-diff --git a/pulseaudio/91-seeedvoicecard.rules b/pulseaudio/91-seeedvoicecard.rules
-index 8b41dd1..b253459 100644
---- a/pulseaudio/91-seeedvoicecard.rules
-+++ b/pulseaudio/91-seeedvoicecard.rules
-@@ -2,7 +2,8 @@ SUBSYSTEM!="sound", GOTO="seeedvoicecard_end"
- ACTION!="change", GOTO="seeedvoicecard_end"
- KERNEL!="card*", GOTO="seeedvoicecard_end"
-
-+ATTR{id}=="seeed2micvoicec",ENV{PULSE_PROFILE_SET}="seeed-voicecard-2mic.conf"
- ATTR{id}=="seeed4micvoicec",ENV{PULSE_PROFILE_SET}="seeed-voicecard-4mic.conf"
- ATTR{id}=="seeed8micvoicec",ENV{PULSE_PROFILE_SET}="seeed-voicecard-8mic.conf"
-
--LABEL="seeedvoicecard_end"
-\ No newline at end of file
-+LABEL="seeedvoicecard_end"
-diff --git a/pulseaudio/pulse_config_2mic/daemon.conf b/pulseaudio/pulse_config_2mic/daemon.conf
-new file mode 100644
-index 0000000..067a55e
---- /dev/null
-+++ b/pulseaudio/pulse_config_2mic/daemon.conf
-@@ -0,0 +1,87 @@
-+# This file is part of PulseAudio.
-+#
-+# PulseAudio is free software; you can redistribute it and/or modify
-+# it under the terms of the GNU Lesser General Public License as published by
-+# the Free Software Foundation; either version 2 of the License, or
-+# (at your option) any later version.
-+#
-+# PulseAudio is distributed in the hope that it will be useful, but
-+# WITHOUT ANY WARRANTY; without even the implied warranty of
-+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+# General Public License for more details.
-+#
-+# You should have received a copy of the GNU Lesser General Public License
-+# along with PulseAudio; if not, see .
-+
-+## Configuration file for the PulseAudio daemon. See pulse-daemon.conf(5) for
-+## more information. Default values are commented out. Use either ; or # for
-+## commenting.
-+
-+; daemonize = no
-+; fail = yes
-+; allow-module-loading = yes
-+; allow-exit = yes
-+; use-pid-file = yes
-+; system-instance = no
-+; local-server-type = user
-+; enable-shm = yes
-+; enable-memfd = yes
-+; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB
-+; lock-memory = no
-+; cpu-limit = no
-+
-+; high-priority = yes
-+; nice-level = -11
-+
-+; realtime-scheduling = yes
-+; realtime-priority = 5
-+
-+; exit-idle-time = 20
-+; scache-idle-time = 20
-+
-+; dl-search-path = (depends on architecture)
-+
-+; load-default-script-file = yes
-+; default-script-file = /etc/pulse/default.pa
-+
-+; log-target = auto
-+; log-level = notice
-+; log-meta = no
-+; log-time = no
-+; log-backtrace = 0
-+
-+; resample-method = speex-float-1
-+; enable-remixing = yes
-+; enable-lfe-remixing = no
-+; lfe-crossover-freq = 0
-+
-+; flat-volumes = yes
-+
-+; rlimit-fsize = -1
-+; rlimit-data = -1
-+; rlimit-stack = -1
-+; rlimit-core = -1
-+; rlimit-as = -1
-+; rlimit-rss = -1
-+; rlimit-nproc = -1
-+; rlimit-nofile = 256
-+; rlimit-memlock = -1
-+; rlimit-locks = -1
-+; rlimit-sigpending = -1
-+; rlimit-msgqueue = -1
-+; rlimit-nice = 31
-+; rlimit-rtprio = 9
-+; rlimit-rttime = 200000
-+
-+default-sample-format = s16le
-+default-sample-rate = 96000
-+; alternate-sample-rate = 48000
-+default-sample-channels = 2
-+; default-channel-map = front-left,front-right
-+
-+; default-fragments = 4
-+; default-fragment-size-msec = 25
-+
-+; enable-deferred-volume = yes
-+; deferred-volume-safety-margin-usec = 8000
-+; deferred-volume-extra-delay-usec = 0
-diff --git a/pulseaudio/pulse_config_2mic/default.pa b/pulseaudio/pulse_config_2mic/default.pa
-new file mode 100644
-index 0000000..a99faff
---- /dev/null
-+++ b/pulseaudio/pulse_config_2mic/default.pa
-@@ -0,0 +1,143 @@
-+#!/usr/bin/pulseaudio -nF
-+#
-+# This file is part of PulseAudio.
-+#
-+# PulseAudio is free software; you can redistribute it and/or modify it
-+# under the terms of the GNU Lesser General Public License as published by
-+# the Free Software Foundation; either version 2 of the License, or
-+# (at your option) any later version.
-+#
-+# PulseAudio is distributed in the hope that it will be useful, but
-+# WITHOUT ANY WARRANTY; without even the implied warranty of
-+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+# General Public License for more details.
-+#
-+# You should have received a copy of the GNU Lesser General Public License
-+# along with PulseAudio; if not, see .
-+
-+# This startup script is used only if PulseAudio is started per-user
-+# (i.e. not in system mode)
-+
-+.fail
-+
-+### Automatically restore the volume of streams and devices
-+load-module module-device-restore
-+load-module module-stream-restore
-+load-module module-card-restore
-+
-+### Automatically augment property information from .desktop files
-+### stored in /usr/share/application
-+load-module module-augment-properties
-+
-+### Should be after module-*-restore but before module-*-detect
-+load-module module-switch-on-port-available
-+
-+### Load audio drivers statically
-+### (it's probably better to not load these drivers manually, but instead
-+### use module-udev-detect -- see below -- for doing this automatically)
-+#load-module module-alsa-sink device="hw:1,0" channels=8 rate=48000 format=s32le
-+#load-module module-alsa-source device="hw:1,0" channels=8 rate=48000 format=s32le
-+#load-module module-oss device="/dev/dsp" sink_name=output source_name=input
-+#load-module module-oss-mmap device="/dev/dsp" sink_name=output source_name=input
-+#load-module module-null-sink
-+#load-module module-pipe-sink
-+
-+### Automatically load driver modules depending on the hardware available
-+.ifexists module-udev-detect.so
-+load-module module-udev-detect
-+#channels=8 rate=48000 format=s32le
-+.else
-+### Use the static hardware detection module (for systems that lack udev support)
-+load-module module-detect
-+.endif
-+
-+### Automatically connect sink and source if JACK server is present
-+.ifexists module-jackdbus-detect.so
-+.nofail
-+load-module module-jackdbus-detect channels=2
-+.fail
-+.endif
-+
-+### Automatically load driver modules for Bluetooth hardware
-+.ifexists module-bluetooth-policy.so
-+load-module module-bluetooth-policy
-+.endif
-+
-+.ifexists module-bluetooth-discover.so
-+load-module module-bluetooth-discover
-+.endif
-+
-+### Load several protocols
-+.ifexists module-esound-protocol-unix.so
-+load-module module-esound-protocol-unix
-+.endif
-+load-module module-native-protocol-unix
-+
-+### Network access (may be configured with paprefs, so leave this commented
-+### here if you plan to use paprefs)
-+#load-module module-esound-protocol-tcp
-+#load-module module-native-protocol-tcp
-+#load-module module-zeroconf-publish
-+
-+### Load the RTP receiver module (also configured via paprefs, see above)
-+#load-module module-rtp-recv
-+
-+### Load the RTP sender module (also configured via paprefs, see above)
-+#load-module module-null-sink sink_name=rtp format=s16be channels=2 rate=44100 sink_properties="device.description='RTP Multicast Sink'"
-+#load-module module-rtp-send source=rtp.monitor
-+
-+### Load additional modules from GConf settings. This can be configured with the paprefs tool.
-+### Please keep in mind that the modules configured by paprefs might conflict with manually
-+### loaded modules.
-+.ifexists module-gconf.so
-+.nofail
-+load-module module-gconf
-+.fail
-+.endif
-+
-+### Automatically restore the default sink/source when changed by the user
-+### during runtime
-+### NOTE: This should be loaded as early as possible so that subsequent modules
-+### that look up the default sink/source get the right value
-+load-module module-default-device-restore
-+
-+### Automatically move streams to the default sink if the sink they are
-+### connected to dies, similar for sources
-+load-module module-rescue-streams
-+
-+### Make sure we always have a sink around, even if it is a null sink.
-+load-module module-always-sink
-+
-+### Honour intended role device property
-+load-module module-intended-roles
-+
-+### Automatically suspend sinks/sources that become idle for too long
-+load-module module-suspend-on-idle
-+
-+### If autoexit on idle is enabled we want to make sure we only quit
-+### when no local session needs us anymore.
-+.ifexists module-console-kit.so
-+load-module module-console-kit
-+.endif
-+.ifexists module-systemd-login.so
-+load-module module-systemd-login
-+.endif
-+
-+### Enable positioned event sounds
-+load-module module-position-event-sounds
-+
-+### Cork music/video streams when a phone stream is active
-+load-module module-role-cork
-+
-+### Modules to allow autoloading of filters (such as echo cancellation)
-+### on demand. module-filter-heuristics tries to determine what filters
-+### make sense, and module-filter-apply does the heavy-lifting of
-+### loading modules and rerouting streams.
-+load-module module-filter-heuristics
-+load-module module-filter-apply
-+
-+### Make some devices default
-+#set-default-sink output
-+#set-default-source input
-+set-default-source alsa_input.platform-soc_sound.seeed-source
-+set-default-sink alsa_output.platform-soc_sound.seeed-sink
-diff --git a/pulseaudio/pulse_config_2mic/seeed-voicecard.conf b/pulseaudio/pulse_config_2mic/seeed-voicecard.conf
-new file mode 100644
-index 0000000..a050002
---- /dev/null
-+++ b/pulseaudio/pulse_config_2mic/seeed-voicecard.conf
-@@ -0,0 +1,36 @@
-+# /usr/share/pulseaudio/alsa-mixer/profile-sets/seeed-voiced.conf
-+
-+[General]
-+auto-profiles = no
-+[Mapping seeed-source]
-+device-strings = hw:%f
-+channel-map = front-left,front-right
-+exact-channels = false
-+fallback = yes
-+paths-input = seeed-source
-+priority = 3
-+direction = input
-+
-+[Mapping seeed-sink]
-+device-strings = hw:%f
-+channel-map = front-left,front-right
-+exact-channels = false
-+fallback = yes
-+paths-output = seeed-sink
-+direction = output
-+priority = 2
-+
-+[Profile output:seeed-sink+input:seeed-source]
-+output-mappings = seeed-sink
-+input-mappings = seeed-source
-+priority = 100
-+skip-probe = yes
-+
-+[Profile output:seeed-sink]
-+output-mappings = seeed-sink
-+priority = 4
-+skip-probe = yes
-+
-+[Profile input:seeed-source]
-+input-mappings = seeed-source
-+priority = 5
---
-2.20.1
-
diff --git a/buildroot-external/package/respeaker/respeaker.mk b/buildroot-external/package/respeaker/respeaker.mk
index cf0400e7..494d89f3 100644
--- a/buildroot-external/package/respeaker/respeaker.mk
+++ b/buildroot-external/package/respeaker/respeaker.mk
@@ -29,8 +29,6 @@ define RESPEAKER_INSTALL_TARGET_CMDS
$(INSTALL) -D -m 0644 $(@D)/seeed-8mic-voicecard.dtbo $(BINARIES_DIR)/rpi-firmware/overlays/
mkdir -p $(TARGET_DIR)/usr/share/pulseaudio/alsa-mixer/profile-sets/
- $(INSTALL) -D -m 0644 $(@D)/pulseaudio/pulse_config_2mic/seeed-voicecard.conf \
- $(TARGET_DIR)/usr/share/pulseaudio/alsa-mixer/profile-sets/seeed-voicecard-2mic.conf
$(INSTALL) -D -m 0644 $(@D)/pulseaudio/pulse_config_4mic/seeed-voicecard.conf \
$(TARGET_DIR)/usr/share/pulseaudio/alsa-mixer/profile-sets/seeed-voicecard-4mic.conf
$(INSTALL) -D -m 0644 $(@D)/pulseaudio/pulse_config_6mic/seeed-voicecard.conf \
@@ -38,10 +36,6 @@ define RESPEAKER_INSTALL_TARGET_CMDS
$(INSTALL) -D -m 0644 $(@D)/pulseaudio/91-seeedvoicecard.rules \
$(TARGET_DIR)/etc/udev/rules.d/91-seeedvoicecard.rules
- $(INSTALL) -D -m 0644 $(@D)/pulseaudio/pulse_config_2mic/default.pa \
- $(TARGET_DIR)/etc/pulse/seeed-voicecard-2mic-default.pa
- $(INSTALL) -D -m 0644 $(@D)/pulseaudio/pulse_config_2mic/daemon.conf \
- $(TARGET_DIR)/etc/pulse/seeed-voicecard-2mic-daemon.conf
$(INSTALL) -D -m 0644 $(@D)/pulseaudio/pulse_config_4mic/default.pa \
$(TARGET_DIR)/etc/pulse/seeed-voicecard-4mic-default.pa
$(INSTALL) -D -m 0644 $(@D)/pulseaudio/pulse_config_4mic/daemon.conf \
diff --git a/buildroot-external/package/respeaker/seeed-voicecard b/buildroot-external/package/respeaker/seeed-voicecard
index 9ffe70b4..83bcd724 100755
--- a/buildroot-external/package/respeaker/seeed-voicecard
+++ b/buildroot-external/package/respeaker/seeed-voicecard
@@ -79,8 +79,6 @@ if [ "x${is_1a}" != "x" ] && [ "x${is_35}" == "x" ] ; then
echo "install 2mic"
overlay=seeed-2mic-voicecard
asound_state=/etc/voicecard/wm8960_asound.state
- pulse_default=/etc/pulse/seeed-voicecard-2mic-default.pa
- pulse_daemon=/etc/pulse/seeed-voicecard-2mic-daemon.conf
fi
if [ "x${is_3b}" != "x" ] && [ "x${is_35}" == "x" ] ; then