fix: No LED warnings when the kernel pin just replaced the running kernel

CHANGELOG.md

@@ -10,7 +10,8 @@ one per merged pull request.
 - **perf: Pinned kernel before the LED driver**
   - With the kernel pin ticked, Steam Machine support installs kernel
     7.1.6-1 first, so DKMS builds the LED driver once, for that kernel,
-    instead of for the current kernel first and then again.
+    instead of for the current kernel first and then again. The LED driver
+    then loads after the restart, which it now says instead of warning.
 - **fix: steamos-manager starts after cecd**
   - It checks only at its start whether cecd runs; if it was first, Steam's
     HDMI-CEC settings were missing until it restarted. A drop-in

lib/steam-machine.sh

@@ -251,6 +251,13 @@ install_valve_led_driver() {
     # Load now, and on every boot.
     echo leds-valve | sudo tee /etc/modules-load.d/leds-valve.conf >/dev/null
 
+    # The running kernel was just replaced (the kernel pin): its modules are
+    # gone, so the driver can only load after the restart.
+    if [[ ! -d "/usr/lib/modules/$(uname -r)/kernel" ]]; then
+        ok "The LED driver loads after the restart (into the new kernel)."
+        return 0
+    fi
+
     info "Loading the leds-valve kernel module..."
     if sudo modprobe leds-valve; then
         ok "Module loaded."