ic-7300 - Added default ALSA configuration to correctly set PCM level based on et-radio settings for the IC-7300

overlay/opt/emcomm-tools/conf/radios.d/audio/icom-ic7300.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+#
+# Author  : Gaston Gonzalez
+# Date    : 8 December 2025
+# Purpose : Audio settings specific to the ICom IC-7300
+#
+# Preconditions
+# 1. Supported audio interface is connected and properly detected
+#
+# Postconditions
+# 1. ALSA settings set on ET audio device
+
+usage() {
+  echo "usage: $(basename $0) <ET audio card> <ET device name>"
+}
+
+if [[ $# -ne 2 ]]; then
+  usage
+  exit 1
+fi
+
+AUDIO_CARD=$1
+ET_DEVICE_NAME=$2
+
+# Set the PCM to 82. The default of 41 is too low.
+et-log "amixer -q -c ${AUDIO_CARD} sset PCM 96%" 
+amixer -q -c ${AUDIO_CARD} sset PCM 96%
+
+et-log "Applied amixer settings for audio card ${AUDIO_CARD} on device ${ET_DEVICE_NAME}"

overlay/opt/emcomm-tools/conf/radios.d/icom-ic7300.json

@@ -7,6 +7,9 @@
     "baud": "19200",
     "ptt": "RIG"
   },
+  "audio": {
+    "script": "/opt/emcomm-tools/conf/radios.d/audio/icom-ic7300.sh"
+  },
   "notes": [
      "[MENU] > [SET] > [Connectors] > [CI-V] > CI-V USB Baud Rate = 19200",
      "[MENU] > [SET] > [Connectors] > DATA MOD = USB",