First one

#!/usr/bin/env bash
set -euo pipefail


URL="https://updates.cdn-apple.com/2019/cert/041-88431-20191011-e7ee7d98-2878-4cd9-bc0a-d98b3a1e24b1/OSXUpd10.11.5.dmg"
RANGE=204909802-207733123
OSX_DRV="AppleCameraInterface"
OSX_DRV_DIR="System/Library/Extensions/AppleCameraInterface.kext/Contents/MacOS"
FILE="$OSX_DRV_DIR/$OSX_DRV"

DRV_HASH="f56e68a880b65767335071531a1c75f3cfd4958adc6d871adf8dbf3b788e8ee1"
FW_HASH="e3e6034a67dfdaa27672dd547698bbc5b33f47f1fc7f5572a2fb68ea09d32d3d"

OFFSET=81920
SIZE=603715


WORKDIR=$(mktemp -d)
cd "$WORKDIR"

echo "Downloading macOS driver..."
curl -k -L -r "$RANGE" "$URL" | xzcat -qq -Q | cpio --format odc -i -d "./$FILE" &> /dev/null || true

mv "$FILE" .

echo "Extracting firmware..."
dd bs=1 skip=$OFFSET count=$SIZE if=./$OSX_DRV of=./firmware.bin.gz &> /dev/null
gunzip ./firmware.bin.gz


echo "$DRV_HASH  $OSX_DRV" > firmware.sha256
echo "$FW_HASH  firmware.bin" >> firmware.sha256

sha256sum -c firmware.sha256


TARGET_DIR="/lib/firmware/facetimehd"
echo "Installing firmware to $TARGET_DIR (requires sudo)..."
sudo mkdir -p "$TARGET_DIR"
sudo cp firmware.bin "$TARGET_DIR/"

echo "Done. Firmware installed."

and second

#!/bin/bash

set -e

BOOTCAMP_ZIP_URL="https://download.info.apple.com/Mac_OS_X/031-30890-20150812-ea191174-4130-11e5-a125-930911ba098f/bootcamp5.1.5769.zip"
TMPDIR=$(mktemp -d)
FIRMWARE_DIR="/lib/firmware/facetimehd"
DAT_FILES=(
    "9112_01XX.dat:1663920:33060:479ae9b2b7ab018d63843d777a3886d1"
    "1771_01XX.dat:1644880:19040:a1831db76ebd83e45a016f8c94039406"
    "1871_01XX.dat:1606800:19040:017996a51c95c6e11bc62683ad1f356b"
    "1874_01XX.dat:1625840:19040:3c3cdc590e628fe3d472472ca4d74357"
)


for cmd in unzip unrar dd md5sum curl; do
    if ! command -v $cmd &> /dev/null; then
        echo "Missing required command: $cmd"
        exit 1
    fi
done


cd "$TMPDIR"
echo "Downloading Boot Camp Support Software..."
curl -L -o bootcamp.zip "$BOOTCAMP_ZIP_URL"


echo "Extracting Boot Camp package..."
unzip bootcamp.zip


cd BootCamp/Drivers/Apple/


echo "Extracting AppleCamera64.exe..."
unrar x AppleCamera64.exe


if [[ ! -f "AppleCamera.sys" ]]; then
    echo "AppleCamera.sys not found!"
    exit 1
fi


cd "$TMPDIR"


echo "Extracting calibration data..."
for entry in "${DAT_FILES[@]}"; do
    IFS=":" read -r filename skip count expected_md5 <<< "$entry"
    echo "Creating $filename..."
    dd bs=1 skip="$skip" count="$count" if=BootCamp/Drivers/Apple/AppleCamera.sys of="$filename" status=none
    actual_md5=$(md5sum "$filename" | awk '{print $1}')
    if [[ "$actual_md5" != "$expected_md5" ]]; then
        echo "Checksum mismatch for $filename (expected $expected_md5, got $actual_md5)"
        exit 1
    fi
done


echo "Copying .dat files to firmware directory..."
sudo mkdir -p "$FIRMWARE_DIR"
sudo cp *.dat "$FIRMWARE_DIR"


echo "Reloading facetimehd module..."
sudo modprobe -r facetimehd || true
sudo modprobe facetimehd

echo "Done. Please Reboot ."