46 lines
1.4 KiB
Bash
46 lines
1.4 KiB
Bash
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright (C) 2022-present - The JELOS Project (https://github.com/JustEnoughLinuxOS)
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. /etc/profile
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# Check headphone gpio at boot and set the correct output device
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HP_GPIO=$(cat /sys/class/gpio/gpio${DEVICE_JACK}/value)
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case ${HP_GPIO} in
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"1")
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amixer -c 0 cset name='Speaker Switch' ${DEVICE_PLAYBACK_PATH_HP}
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amixer -c 0 set 'Headphone' '67%'
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amixer -c 0 set 'Playback Polarity' Normal
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set_setting "audio.device" "headphone"
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;;
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*)
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amixer -c 0 cset name='Speaker Switch' ${DEVICE_PLAYBACK_PATH_SPK}
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amixer -c 0 set 'Headphone' '100%'
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amixer -c 0 set 'Playback Polarity' 'R Invert'
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set_setting "audio.device" "speakers"
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;;
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esac
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# Headphone sensing
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DEVICE="${DEVICE_HEADPHONE_DEV}"
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HP_OFF='*(SW_HEADPHONE_INSERT), value 0*'
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HP_ON='*(SW_HEADPHONE_INSERT), value 1*'
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evtest "${DEVICE}" | while read line; do
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case $line in
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(${HP_ON})
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amixer -c 0 cset name='Speaker Switch' ${DEVICE_PLAYBACK_PATH_HP}
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amixer -c 0 set 'Headphone' '67%'
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amixer -c 0 set 'Playback Polarity' Normal
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set_setting "audio.device" "headphone"
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;;
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(${HP_OFF})
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amixer -c 0 cset name='Speaker Switch' ${DEVICE_PLAYBACK_PATH_SPK}
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amixer -c 0 set 'Headphone' '100%'
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amixer -c 0 set 'Playback Polarity' 'R Invert'
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set_setting "audio.device" "speakers"
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;;
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esac
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done
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