diff --git a/backend/src/settings/detect/auto_detect.rs b/backend/src/settings/detect/auto_detect.rs
index 9a3c550..18a6fd2 100644
--- a/backend/src/settings/detect/auto_detect.rs
+++ b/backend/src/settings/detect/auto_detect.rs
@@ -7,10 +7,29 @@ use limits_core::json::{Limits, BatteryLimit, CpuLimit, GpuLimit};
 use crate::persist::{DriverJson, SettingsJson};
 use crate::settings::{TGeneral, TCpus, TGpu, TBattery, Driver, General};
 
+fn get_limits() -> limits_core::json::Base {
+    let limits_path = super::utility::limits_path();
+    match File::open(&limits_path) {
+        Ok(f) => {
+            match serde_json::from_reader(f) {
+                Ok(lim) => lim,
+                Err(e) => {
+                    log::warn!("Failed to parse limits file `{}`, cannot use for auto_detect: {}", limits_path.display(), e);
+                    limits_core::json::Base::default()
+                }
+            }
+        },
+        Err(e) => {
+            log::warn!("Failed to open limits file `{}` (trying force refresh...): {}", limits_path.display(), e);
+            super::limits_worker::get_limits_blocking()
+        }
+    }
+}
+
 #[inline]
 pub fn auto_detect_provider() -> DriverJson {
     let provider = auto_detect0(None, crate::utility::settings_dir().join("autodetect.json"))
-        .general
+        .battery
         .provider();
     //log::info!("Detected device automatically, compatible driver: {:?}", provider);
     provider
@@ -27,22 +46,7 @@ pub fn auto_detect0(settings_opt: Option<SettingsJson>, json_path: std::path::Pa
     let dmi_info: String = std::process::Command::new("dmidecode").output().map(|out| String::from_utf8_lossy(&out.stdout).into_owned()).unwrap_or_default();
     log::debug!("Read dmidecode:\n{}", dmi_info);
 
-    let limits_path = super::utility::limits_path();
-    let limits = match File::open(&limits_path) {
-        Ok(f) => {
-            match serde_json::from_reader(f) {
-                Ok(lim) => lim,
-                Err(e) => {
-                    log::warn!("Failed to parse limits file `{}`, cannot use for auto_detect: {}", limits_path.display(), e);
-                    limits_core::json::Base::default()
-                }
-            }
-        },
-        Err(e) => {
-            log::warn!("Failed to open limits file `{}` (trying force refresh...): {}", limits_path.display(), e);
-            super::limits_worker::get_limits_blocking()
-        }
-    };
+    let limits = get_limits();
 
     // build driver based on limits conditions
     for conf in limits.configs {
diff --git a/backend/src/settings/detect/limits_worker.rs b/backend/src/settings/detect/limits_worker.rs
index 0ee61a3..ef1f0f2 100644
--- a/backend/src/settings/detect/limits_worker.rs
+++ b/backend/src/settings/detect/limits_worker.rs
@@ -37,15 +37,7 @@ pub fn spawn() -> JoinHandle<()> {
                             let json_res: std::io::Result<Base> = response.into_json();
                             match json_res {
                                 Ok(new_base) => {
-                                    match std::fs::File::create(&limits_path) {
-                                        Ok(f) => {
-                                            match serde_json::to_writer_pretty(f, &new_base) {
-                                                Ok(_) => log::info!("Successfully updated limits from `{}`, cached at {}", refresh, limits_path.display()),
-                                                Err(e) => log::error!("Failed to save limits json to file `{}`: {}", limits_path.display(), e),
-                                            }
-                                        },
-                                        Err(e) => log::error!("Cannot create {}: {}", limits_path.display(), e)
-                                    }
+                                    save_base(&new_base, &limits_path);
                                 },
                                 Err(e) => log::error!("Cannot parse response from `{}`: {}", refresh, e),
                             }
@@ -98,7 +90,10 @@ pub fn get_limits_blocking() -> Base {
                 Ok(response) => {
                     let json_res: std::io::Result<Base> = response.into_json();
                     match json_res {
-                        Ok(new_base) => return new_base,
+                        Ok(new_base) => {
+                            save_base(&new_base, &limits_path);
+                            return new_base;
+                        },
                         Err(e) => log::error!("Cannot parse response from `{}`: {}", refresh, e)
                     }
                 },
@@ -108,3 +103,17 @@ pub fn get_limits_blocking() -> Base {
         Base::default()
     }
 }
+
+#[cfg(feature = "online")]
+fn save_base(new_base: &Base, path: impl AsRef<std::path::Path>) {
+    let limits_path = path.as_ref();
+    match std::fs::File::create(&limits_path) {
+        Ok(f) => {
+            match serde_json::to_writer_pretty(f, &new_base) {
+                Ok(_) => log::info!("Successfully saved new limits to {}", limits_path.display()),
+                Err(e) => log::error!("Failed to save limits json to file `{}`: {}", limits_path.display(), e),
+            }
+        },
+        Err(e) => log::error!("Cannot create {}: {}", limits_path.display(), e)
+    }
+}
diff --git a/backend/src/settings/generic/battery.rs b/backend/src/settings/generic/battery.rs
index 6eb99c2..bd300b7 100644
--- a/backend/src/settings/generic/battery.rs
+++ b/backend/src/settings/generic/battery.rs
@@ -122,4 +122,8 @@ impl TBattery for Battery {
     fn read_current_now(&self) -> Option<f64> {
         None
     }
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        crate::persist::DriverJson::Generic
+    }
 }
diff --git a/backend/src/settings/generic/cpu.rs b/backend/src/settings/generic/cpu.rs
index d29153e..df5a6d4 100644
--- a/backend/src/settings/generic/cpu.rs
+++ b/backend/src/settings/generic/cpu.rs
@@ -187,6 +187,10 @@ impl TCpus for Cpus {
     fn len(&self) -> usize {
         self.cpus.len()
     }
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        crate::persist::DriverJson::Generic
+    }
 }
 
 #[derive(Debug, Clone)]
diff --git a/backend/src/settings/generic/gpu.rs b/backend/src/settings/generic/gpu.rs
index 1782ac5..3344915 100644
--- a/backend/src/settings/generic/gpu.rs
+++ b/backend/src/settings/generic/gpu.rs
@@ -99,4 +99,8 @@ impl TGpu for Gpu {
     fn slow_memory(&mut self) -> &mut bool {
         &mut self.slow_memory
     }
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        crate::persist::DriverJson::Generic
+    }
 }
diff --git a/backend/src/settings/steam_deck/battery.rs b/backend/src/settings/steam_deck/battery.rs
index 8cee15e..13fe425 100644
--- a/backend/src/settings/steam_deck/battery.rs
+++ b/backend/src/settings/steam_deck/battery.rs
@@ -305,4 +305,8 @@ impl TBattery for Battery {
             }
         }
     }
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        crate::persist::DriverJson::SteamDeck
+    }
 }
diff --git a/backend/src/settings/steam_deck/cpu.rs b/backend/src/settings/steam_deck/cpu.rs
index 845e3fe..8f02867 100644
--- a/backend/src/settings/steam_deck/cpu.rs
+++ b/backend/src/settings/steam_deck/cpu.rs
@@ -151,6 +151,10 @@ impl TCpus for Cpus {
     fn len(&self) -> usize {
         self.cpus.len()
     }
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        crate::persist::DriverJson::SteamDeck
+    }
 }
 
 #[derive(Debug, Clone)]
diff --git a/backend/src/settings/steam_deck/gpu.rs b/backend/src/settings/steam_deck/gpu.rs
index 665a7df..59827fe 100644
--- a/backend/src/settings/steam_deck/gpu.rs
+++ b/backend/src/settings/steam_deck/gpu.rs
@@ -300,6 +300,10 @@ impl TGpu for Gpu {
     fn slow_memory(&mut self) -> &mut bool {
         &mut self.slow_memory
     }
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        crate::persist::DriverJson::SteamDeck
+    }
 }
 
 #[inline]
diff --git a/backend/src/settings/steam_deck_adv/cpu.rs b/backend/src/settings/steam_deck_adv/cpu.rs
index 1d04a27..2b13c23 100644
--- a/backend/src/settings/steam_deck_adv/cpu.rs
+++ b/backend/src/settings/steam_deck_adv/cpu.rs
@@ -151,6 +151,10 @@ impl TCpus for Cpus {
     fn len(&self) -> usize {
         self.cpus.len()
     }
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        crate::persist::DriverJson::SteamDeckAdvance
+    }
 }
 
 #[derive(Debug, Clone)]
diff --git a/backend/src/settings/steam_deck_adv/gpu.rs b/backend/src/settings/steam_deck_adv/gpu.rs
index fccd598..7ae25b8 100644
--- a/backend/src/settings/steam_deck_adv/gpu.rs
+++ b/backend/src/settings/steam_deck_adv/gpu.rs
@@ -298,6 +298,10 @@ impl TGpu for Gpu {
     fn slow_memory(&mut self) -> &mut bool {
         &mut self.slow_memory
     }
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        crate::persist::DriverJson::SteamDeckAdvance
+    }
 }
 
 #[inline]
diff --git a/backend/src/settings/traits.rs b/backend/src/settings/traits.rs
index dd0b433..219cc95 100644
--- a/backend/src/settings/traits.rs
+++ b/backend/src/settings/traits.rs
@@ -29,6 +29,10 @@ pub trait TGpu: OnResume + OnSet + Debug + Send {
     fn get_clock_limits(&self) -> Option<&MinMax<u64>>;
 
     fn slow_memory(&mut self) -> &mut bool;
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        crate::persist::DriverJson::AutoDetect
+    }
 }
 
 pub trait TCpus: OnResume + OnSet + Debug + Send {
@@ -39,6 +43,10 @@ pub trait TCpus: OnResume + OnSet + Debug + Send {
     fn cpus(&mut self) -> Vec<&mut dyn TCpu>;
 
     fn len(&self) -> usize;
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        crate::persist::DriverJson::AutoDetect
+    }
 }
 
 pub trait TCpu: Debug + Send {
@@ -91,4 +99,8 @@ pub trait TBattery: OnResume + OnSet + Debug + Send {
     fn read_charge_design(&self) -> Option<f64>;
 
     fn read_current_now(&self) -> Option<f64>;
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        crate::persist::DriverJson::AutoDetect
+    }
 }
diff --git a/backend/src/settings/unknown/battery.rs b/backend/src/settings/unknown/battery.rs
index e7edb11..dfc57ce 100644
--- a/backend/src/settings/unknown/battery.rs
+++ b/backend/src/settings/unknown/battery.rs
@@ -63,4 +63,8 @@ impl TBattery for Battery {
     fn read_charge_design(&self) -> Option<f64> { None }
 
     fn read_current_now(&self) -> Option<f64> { None }
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        crate::persist::DriverJson::Unknown
+    }
 }
diff --git a/backend/src/settings/unknown/cpu.rs b/backend/src/settings/unknown/cpu.rs
index 48d4b99..d4c183a 100644
--- a/backend/src/settings/unknown/cpu.rs
+++ b/backend/src/settings/unknown/cpu.rs
@@ -150,6 +150,10 @@ impl TCpus for Cpus {
     fn len(&self) -> usize {
         self.cpus.len()
     }
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        crate::persist::DriverJson::Unknown
+    }
 }
 
 #[derive(Debug, Clone)]
diff --git a/backend/src/settings/unknown/gpu.rs b/backend/src/settings/unknown/gpu.rs
index 9733cc8..fecc4ed 100644
--- a/backend/src/settings/unknown/gpu.rs
+++ b/backend/src/settings/unknown/gpu.rs
@@ -86,4 +86,8 @@ impl TGpu for Gpu {
     fn slow_memory(&mut self) -> &mut bool {
         &mut self.slow_memory
     }
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        crate::persist::DriverJson::Unknown
+    }
 }