M7350/external/compat-wireless/udev/compat_firmware.sh
2024-09-09 08:52:07 +00:00

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#!/bin/sh -e
# This is ported from Ubuntu but ubuntu uses these directories which
# other distributions don't care about:
# FIRMWARE_DIRS="/lib/firmware/updates/$(uname -r) /lib/firmware/updates \
# /lib/firmware/$(uname -r) /lib/firmware"
# If your distribution looks for firmware in other directories
# feel free to extend this and add your own directory here.
#
FIRMWARE_DIRS="/lib/firmware"
err() {
echo "$@" >&2
logger -t "${0##*/}[$$]" "$@" 2>/dev/null || true
}
if [ ! -e /sys$DEVPATH/loading ]; then
err "udev firmware loader misses sysfs directory"
exit 1
fi
for DIR in $FIRMWARE_DIRS; do
[ -e "$DIR/$FIRMWARE" ] || continue
echo 1 > /sys$DEVPATH/loading
cat "$DIR/$FIRMWARE" > /sys$DEVPATH/data
echo 0 > /sys$DEVPATH/loading
exit 0
done
echo -1 > /sys$DEVPATH/loading
err "Cannot find firmware file '$FIRMWARE'"
mkdir -p /dev/.udev/firmware-missing
file=$(echo "$FIRMWARE" | sed 's:/:\\x2f:g')
ln -s -f "$DEVPATH" /dev/.udev/firmware-missing/$file
exit 1