add gitignore, update module with additional properties

.gitignore

@@ -0,0 +1,21 @@
+# Kernel module build artifacts
+*.o
+*.ko
+*.cmd
+.*.cmd
+*.mod
+*.mod.c
+*.mod.o
+*.symvers
+*.order
+*.markers
+.tmp_versions/
+.cache.mk
+
+# Backup files
+*~
+.#*
+
+# clangd
+.cache/
+compile_commands.json

debian/changelog

@@ -1,6 +1,13 @@
+fake-battery-dkms (0.1.1-1) stable; urgency=low
+
+  * Add manufacturer, model name and serial number
+  * Remove duplicated log prefixes
+
+  -- Vincent Schweiger <vincent.schweiger@icloud.com> Fri, 21 Aug 2026 21:20:15 +0200
+
 fake-battery-dkms (0.1.0-1) stable; urgency=low
 
   * Initial release
 
- -- Vincent Schweiger <vincent.schweiger@icloud.com> Fri, 21 Aug 2026 19:39:00
+  -- Vincent Schweiger <vincent.schweiger@icloud.com> Fri, 21 Aug 2026 19:39:00 +0200
- +0200
+

dkms.conf

@@ -1,4 +1,4 @@
-PACKAGE_VERSION="0.1.0"
+PACKAGE_VERSION="0.1.1"
 PACKAGE_NAME="fake-battery"
 CLEAN=true
 BUILT_MODULE_NAME[0]="fake-battery"

fake-battery.c

@@ -1,9 +1,12 @@
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/power_supply.h>
 #include <linux/init.h>
 
+#define VERSION_STR "0.1.1"
+
 static struct power_supply *fake_battery;
 static struct power_supply_desc battery_desc;
 
@@ -20,6 +23,9 @@ static enum power_supply_property fake_battery_props[] = {
     POWER_SUPPLY_PROP_VOLTAGE_NOW,
     POWER_SUPPLY_PROP_CURRENT_NOW,
     POWER_SUPPLY_PROP_TEMP,
+    POWER_SUPPLY_PROP_MODEL_NAME,
+    POWER_SUPPLY_PROP_MANUFACTURER,
+    POWER_SUPPLY_PROP_SERIAL_NUMBER,
 };
 
 static int fake_battery_get_property(struct power_supply *psy,
@@ -61,7 +67,16 @@ static int fake_battery_get_property(struct power_supply *psy,
         val->intval = 0;        /* Not charging */
         break;
     case POWER_SUPPLY_PROP_TEMP:
-        val->intval = 250;      /* 25°C in 0.1°C units */
+        val->intval = 253;      /* 25°C in 0.1°C units */
+        break;
+    case POWER_SUPPLY_PROP_MODEL_NAME:
+        val->strval = "Fake Battery v" VERSION_STR;
+        break;
+    case POWER_SUPPLY_PROP_MANUFACTURER:
+        val->strval = "Thin Air";
+        break;
+    case POWER_SUPPLY_PROP_SERIAL_NUMBER:
+        val->strval = "deadbeef";
         break;
     default:
         return -EINVAL;
@@ -73,7 +88,7 @@ static int __init fake_battery_init(void)
 {
     int ret;
 
-    pr_info("fake_battery: Loading fake battery module\n");
+    pr_debug("loading fake battery module\n");
 
     // Initialize the power supply descriptor
     battery_desc.name = "fake-battery";
@@ -86,19 +101,18 @@ static int __init fake_battery_init(void)
     fake_battery = power_supply_register(NULL, &battery_desc, NULL);
     if (IS_ERR(fake_battery)) {
         ret = PTR_ERR(fake_battery);
-        pr_err("fake_battery: Failed to register power supply: %d\n", ret);
+        pr_err("failed to register power supply: %d\n", ret);
         return ret;
     }
 
-    pr_info("fake_battery: Fake battery registered successfully\n");
+    pr_debug("fake battery registered successfully\n");
-    pr_info("fake_battery: Battery status: 100%% charged\n");
 
     return 0;
 }
 
 static void __exit fake_battery_exit(void)
 {
-    pr_info("fake_battery: Unloading fake battery module\n");
+    pr_debug("unloading fake battery module\n");
     if (fake_battery)
         power_supply_unregister(fake_battery);
 }
@@ -108,5 +122,5 @@ module_exit(fake_battery_exit);
 
 MODULE_AUTHOR("Vincent Schweiger");
 MODULE_DESCRIPTION("Fake battery module that reports a fully charged battery");
-MODULE_VERSION("0.1.0");
+MODULE_VERSION(VERSION_STR);
 MODULE_LICENSE("GPL");