[utils/common] Check for I2C/I2S when Raspberry Pi is detected

utils/common.sh

@@ -145,15 +145,27 @@ function detect_display() {
     echo -e "[$done_format]"
 }
 
-# Parse /sys/firmware/devicetree/base/model file if exist and check
-# for "raspberrypi" string. This will be used by the installer to
-# apply the Ansible tuning tasks.
+# Parse /sys/firmware/devicetree/base/model file if it exists and check
+# for "raspberrypi" string. I2C and I2S will be checked as well as they
+# could be required when using a HAT. This will be used by the installer
+# to apply the Ansible tuning tasks.
 function is_raspeberrypi_soc() {
     echo -ne "➤ Checking for Raspberry Pi board... "
     RASPBERRYPI_MODEL="N/A"
     if [ -f "$DT_FILE" ]; then
         if grep -q -i raspberry "$DT_FILE"; then
             RASPBERRYPI_MODEL="$(tr -d '\0' <"$DT_FILE")"
+            echo -ne "➤ Checking for I2C support... "
+            if [ ! -f /dev/i2c-1 ]; then
+                echo -e "[$fail_format]"
+                echo "I2C and I2S must be enabled... " | tee -a "$LOG_FILE"
+                echo -e "\necho 'dtparam=i2c_arm=on' | sudo tee -a /boot/config.txt"
+                echo -e "\necho 'dtparam=i2s=on' | sudo tee -a /boot/config.txt"
+                echo -e "\necho 'i2c-dev' | sudo tee /etc/modules-load.d/i2c.conf"
+                echo -e "\nsudo reboot"
+                exit 1
+            fi
+            echo -e "[$done_format]"
         fi
     fi
     export RASPBERRYPI_MODEL