Add charge mode setting for batteries

func.d/35-tlp-func-batt

@@ -313,3 +313,47 @@ soc_gt_stop_recommendation () {
 
     return 0
 }
+
+set_batteries_charge_mode() {
+    # apply charge mode from configuration to all batteries
+    # - called from bg tasks tlp init [re]start/auto and tlp start
+
+    local bat
+    new_mode="${CHARGE_MODE:-}"
+
+    if [ -z "$new_mode" ]; then
+        echo_debug "bat" "set_batteries_charge_mode.not_configured"
+        return 0
+    fi
+
+    for bat in /sys/class/power_supply/*[Bb][Aa][Tt]*/ ; do
+        if [ ! -d "$bat" ]; then
+            echo_debug "bat" "set_batteries_charge_mode.battery_not_present"
+            return 0
+        elif supported_modes=$(read_sysf "$bat/charge_types"); then
+            case $supported_modes in
+                *"$new_mode"*)
+                    old_chtype="$(echo "$supported_modes" | sed -r 's/.*\[([A-Z][a-z]+)\].*/\1/')"
+                    if [ "$new_mode" != "$old_chtype" ]; then
+                        if write_sysf "$new_mode" "$bat/charge_types"; then
+                            echo_debug "bat" "set_batteries_charge_mode: $new_mode"
+                        else
+                            echo_debug "bat" "set_batteries_charge_mode.write_error"
+                            return 0
+                        fi
+                    fi
+                    ;;
+                *)
+                    echo_message "Charge mode $new_mode not supported on system"
+                    echo_debug "bat" "set_batteries_charge_mode.charge_mode_not_supported"
+                    return 0
+                    ;;
+            esac
+        else
+            echo_debug "bat" "set_batteries_charge_mode.read_error"
+            return 0
+        fi
+    done
+
+    return 0
+}

tlp.in

@@ -279,8 +279,9 @@ case "$_cmd" in
                 echo "done."
 
                 # apply battery settings
-                printf "Setting battery charge thresholds..."
+                printf "Applying battery settings..."
                 init_batteries_thresholds
+                set_batteries_charge_mode
                 echo "done."
 
                 # apply radio states
@@ -298,8 +299,9 @@ case "$_cmd" in
                 echo "done."
 
                 # apply battery settings
-                printf "Setting battery charge thresholds..."
+                printf "Applying battery settings..."
                 init_batteries_thresholds
+                set_batteries_charge_mode
                 echo "done."
                 ;;
 
@@ -364,6 +366,7 @@ case "$_cmd" in
             poweroff_drivebay "$_pp_next" 0
             set_usb_suspend 0 auto
             init_batteries_thresholds
+            set_batteries_charge_mode
             set_radio_device_states "$_pp_next"
             save_runconf
             unlock_tlp