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fx-4cr - Set audio level for FX-4CR

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thetechprepper
2025-09-26 14:46:01 -07:00
parent 816263975a
commit 3444e0c406
1 changed files with 15 additions and 2 deletions
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overlay/opt/emcomm-tools/bin/et-audio
+15 -2
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@@ -2,14 +2,14 @@
#
# Author : Gaston Gonzalez
# Date : 31 October 2024
# Updated : 13 September 2025
# Updated : 26 September 2025
# Purpose : Configures ET audio device with sane defaults
#
# Preconditions
# 1. Supported audio interface is connected and properly detected
#
# Postconditions
# 1. ASLA settings set on ET audio device
# 1. ALSA settings set on ET audio device
usage() {
echo "usage: $(basename $0) <command>"
@@ -97,6 +97,19 @@ update-config () {
et-log "Applied amixer settings for ${ET_DEVICE_NAME}"
;;
"FX-4CR")
# Unmute the PCM and set the volume to 21% to get the full output power. This value is
# dependent on the settings defined for the FX-4CR in the et-radio notes.
amixer -q -c ${AUDIO_CARD} sset 'PCM' 31% unmute
# Set "L/R Capture" to 55%. Adjust if you can't decode received audio.
amixer -q -c ${AUDIO_CARD} sset 'Mic' 67% 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."
;;