From 1ee06b5bcf08ea2372fbf3baaa8fe3957ea2ca26 Mon Sep 17 00:00:00 2001
From: Gaston Gonzalez <info@thetechprepper.com>
Date: Mon, 11 Nov 2024 14:22:19 -0700
Subject: [PATCH] FT-891 - Added support for configuring audio levels for the
 FT-891. Note: The interface detection for CAT control is still switching
 between ttyUSB4 and ttyUSB5. This radio is close to being dropped. It is not
 a friendly radio for digital modes

---
 .../etc/udev/rules.d/79-et-digirig-dr891.rules | 18 +++++++++++-------
 overlay/opt/emcomm-tools/bin/et-audio          | 14 +++++++++++++-
 2 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/overlay/etc/udev/rules.d/79-et-digirig-dr891.rules b/overlay/etc/udev/rules.d/79-et-digirig-dr891.rules
index 57ca857..fe2f725 100644
--- a/overlay/etc/udev/rules.d/79-et-digirig-dr891.rules
+++ b/overlay/etc/udev/rules.d/79-et-digirig-dr891.rules
@@ -17,18 +17,22 @@
 SUBSYSTEM=="tty|sound", PROGRAM="/opt/emcomm-tools/sbin/udev-tester.sh yaesu-ft891", \
     ENV{ET_DEVICE}="FT-891"
 
-# CAT control device will only match if PROGRAM above matches (exit status=0)
-#SUBSYSTEM=="tty", ENV{ET_DEVICE}=="FT-891", \
-#    ATTRS{idVendor}=="10c4", ATTRS{idProduct}=="ea70",\
-#    ACTION=="add", \
-#    ENV{ET_SUBDEVICE}="CAT", GROUP="dialout", MODE="0660", SYMLINK+="et-cat", \
-#    RUN+="/usr/bin/systemctl start rigctld"
-
 SUBSYSTEMS=="usb", ENV{ET_DEVICE}=="FT-891", ATTRS{bInterfaceProtocol}=="00", \
+    ACTION=="add", \
+    ENV{ET_FIRST_CAT_DEVICE}="yes"
+
+# CAT control device will only match if PROGRAM above matches (exit status=0)
+SUBSYSTEM=="tty", ENV{ET_DEVICE}=="FT-891", ENV{ET_FIRST_CAT_DEVICE}="yes", \
+    ATTRS{idVendor}=="10c4", ATTRS{idProduct}=="ea70",\
     ACTION=="add", \
     ENV{ET_SUBDEVICE}="CAT", GROUP="dialout", MODE="0660", SYMLINK+="et-cat", \
     RUN+="/usr/bin/systemctl start rigctld"
 
+#SUBSYSTEMS=="usb", SUBSYSTEM=="tty", ENV{ET_DEVICE}=="FT-891", ATTRS{bInterfaceProtocol}=="00", \
+#    ACTION=="add", \
+#    ENV{ET_SUBDEVICE}="CAT", GROUP="dialout", MODE="0660", SYMLINK+="et-cat", \
+#    RUN+="/usr/bin/systemctl start rigctld"
+
 # Audio device will only match if PROGRAM above matches (exit status=0)
 SUBSYSTEM=="sound", ENV{ET_DEVICE}=="FT-891", ATTRS{idVendor}=="0d8c", ATTRS{idProduct}=="0012", \
     ACTION=="add", \
diff --git a/overlay/opt/emcomm-tools/bin/et-audio b/overlay/opt/emcomm-tools/bin/et-audio
index 432486e..2f921e5 100755
--- a/overlay/opt/emcomm-tools/bin/et-audio
+++ b/overlay/opt/emcomm-tools/bin/et-audio
@@ -2,7 +2,7 @@
 #
 # Author  : Gaston Gonzalez
 # Date    : 31 October 2024
-# Updated : 4 November 2024
+# Updated : 11 November 2024
 # Purpose : Configures ET audio device with sane defaults
 #
 # Preconditions
@@ -73,6 +73,18 @@ update-config () {
 
            et-log "Applied amixer settings for ${ET_DEVICE_NAME}"
          ;;
+         "FT-891")
+           # Unmute Speaker a set volume. Adjust if remote station can't decode you. Your TX controls.
+           amixer -q -c ${AUDIO_CARD} sset Speaker Playback Switch 42% unmute
+           # Unmute Mic
+           amixer -q -c ${AUDIO_CARD} sset Mic Playback Switch 52% unmute
+           # Set "L/R Capture" to 19. Adjust if you can't decode received audio. Your RX controls.
+           amixer -q -c ${AUDIO_CARD} sset Mic Capture Switch 31% unmute
+           # Disable Auto Gain Control
+           amixer -q -c ${AUDIO_CARD} sset 'Auto Gain Control' mute
+
+           et-log "Applied amixer settings for ${ET_DEVICE_NAME}"
+         ;;
          *)
            et-log "No ALSA configuration specified for this ET_DEVICE."
          ;;