mirror of
https://github.com/libretro/Lakka-LibreELEC.git
synced 2025-01-31 20:02:31 +00:00
96 lines
1.9 KiB
Bash
Executable File
96 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2021-present Team LibreELEC (https://libreelec.tv)
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EDID_DIR="/storage/.config/firmware/edid"
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EDID_CPIO="/flash/edid.cpio"
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CONFIG_TXT="/flash/config.txt"
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CMDLINE_TXT="/flash/cmdline.txt"
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usage() {
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echo "$0 set CONNECTOR... | delete | help"
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}
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check_args() {
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if [ $# -eq 0 ]; then
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echo "error: no connector(s) specified!"
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exit 1
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fi
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if [ ! -f "${EDID_CPIO}" ]; then
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echo "error: ${EDID_CPIO} not present"
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exit 1
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fi
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for conn in "$@"; do
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if [ ! -f "${EDID_DIR}/edid-${conn}.bin" ]; then
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echo "error: ${EDID_DIR}/edid-${conn}.bin not present"
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exit 1
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fi
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done
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}
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cleanup_config_txt() {
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sed -i "/^initramfs edid\.cpio/d" ${CONFIG_TXT}
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}
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get_cleaned_cmdline_txt() {
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sed \
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-e 's| drm\.edid_firmware=[^ ]*||g' \
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-e 's| video=[^ ]*||g' \
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${CMDLINE_TXT}
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}
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add_initramfs() {
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# make sure config.txt ends with a newline
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if [ "$(tail -c 1 ${CONFIG_TXT} | tr -c -d '\n' | tr '\n' 'X')" != "X" ]; then
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echo "" >>${CONFIG_TXT}
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fi
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echo "initramfs edid.cpio" >>${CONFIG_TXT}
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}
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add_cmdline() {
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CMDLINE=$(get_cleaned_cmdline_txt)
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FIRMWARE=""
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VIDEO=""
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for conn in "$@"; do
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VIDEO="${VIDEO} video=${conn}:D"
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[ -n "${FIRMWARE}" ] && FIRMWARE="${FIRMWARE},"
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FIRMWARE="${FIRMWARE}${conn}:edid/edid-${conn}.bin"
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done
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echo "${CMDLINE} drm.edid_firmware=${FIRMWARE}${VIDEO}" >${CMDLINE_TXT}
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}
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set_edids() {
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check_args "$@"
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mount -o remount,rw /flash
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cleanup_config_txt
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add_initramfs
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add_cmdline "$@"
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mount -o remount,ro /flash
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}
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delete_edids() {
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mount -o remount,rw /flash
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cleanup_config_txt
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CMDLINE=$(get_cleaned_cmdline_txt)
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echo "${CMDLINE}" >${CMDLINE_TXT}
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mount -o remount,ro /flash
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}
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case $1 in
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set)
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shift
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set_edids "$@"
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;;
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delete)
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delete_edids
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;;
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help)
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usage
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;;
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*)
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usage
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exit 1
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;;
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esac
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