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@@ -0,0 +1,52 @@
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+#!/bin/sh
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+
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+# Uncomment the following line to get debug info
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+#set -x
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+
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+SELF="$(basename ${0})"
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+SYSTEM_GPIO="/sys/class/gpio"
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+
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+# Power Audio Amplifier enable GPIO (('F' - 'A') * 32 + 6 = 166)
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+GPIO_PF6=166
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+
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+usage() {
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+ >2& echo "Usage: ${SELF} [1|on|ON|On for ON, 0|off|OFF|Off for OFF]"
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+ exit 1
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+}
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+
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+# Check number of arguments
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+if [ ${#} -ne 1 ]; then
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+ usage
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+fi
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+
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+case "${1}" in
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+ 1|on|ON|On)
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+
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+ # Turn ON only if volume is not null
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+ if [ "$(volume get)" -ne "0" ]; then
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+ echo "Turning audio amplifier ON"
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+ else
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+ exit 0
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+ fi
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+ enable=1
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+ ;;
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+
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+ 0|off|OFF|Off)
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+ echo "Turning audio amplifier OFF"
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+ enable=0
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+ ;;
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+
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+ *)
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+ usage
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+ ;;
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+esac
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+
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+# Export the GPIO if necessary
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+if [ ! -d "${SYSTEM_GPIO}/gpio${GPIO_PF6}" ]; then
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+ echo ${GPIO_PF6} > "${SYSTEM_GPIO}/export"
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+fi
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+
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+# Enable/disable the pwoer audio amplifier
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+echo "out" > "${SYSTEM_GPIO}/gpio${GPIO_PF6}/direction"
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+echo ${enable} > "${SYSTEM_GPIO}/gpio${GPIO_PF6}/value"
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+exit 0
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