csd-power-manager: Assume a keyboard backlight max-value of 0 to

mean that adjustment is unsupported. Fixes #324.
linuxmint · Oct 1, 2024 · 5227d11 · 5227d11
1 parent d97f923
commit 5227d11
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/plugins/power/csd-power-manager.c b/plugins/power/csd-power-manager.c
@@ -4737,6 +4737,16 @@ handle_method_call_keyboard (CsdPowerManager *manager,
         guint percentage;
         GError *error = NULL;
 
+        if (manager->priv->kbd_brightness_max == 0) {
+                error = g_error_new (CSD_POWER_MANAGER_ERROR,
+                                     CSD_POWER_MANAGER_ERROR_NOT_SUPPORTED,
+                                     "Keyboard backlight control is not supported");
+
+                g_dbus_method_invocation_return_gerror (invocation, error);
+                g_error_free (error);
+                return;
+        }
+
         if (g_strcmp0 (method_name, "GetPercentage") == 0) {
                 g_debug ("keyboard get percentage");
                 ret = upower_kbd_get_percentage (manager, &error);

diff --git a/plugins/power/csd-power-manager.h b/plugins/power/csd-power-manager.h
@@ -48,7 +48,8 @@ typedef struct
 
 enum
 {
-        CSD_POWER_MANAGER_ERROR_FAILED
+        CSD_POWER_MANAGER_ERROR_FAILED,
+        CSD_POWER_MANAGER_ERROR_NOT_SUPPORTED
 };
 
 GType                   csd_power_manager_get_type            (void);