Fix profile controller not detecting if platform_profile is changed

Closes #313

rog-platform/src/lib.rs

@@ -82,6 +82,21 @@ pub fn write_attr_u8_array(device: &mut Device, attr: &str, values: &[u8]) -> Re
         .map_err(|e| PlatformError::IoPath(attr.into(), e))
 }
 
+pub fn read_attr_string(device: &Device, attr_name: &str) -> Result<String> {
+    if let Some(value) = device.attribute_value(attr_name) {
+        let tmp = value.to_string_lossy().to_string();
+        return Ok(tmp);
+    }
+    Err(PlatformError::AttrNotFound(attr_name.to_owned()))
+}
+
+pub fn write_attr_string(device: &mut Device, attr: &str, value: &str) -> Result<()> {
+    let tmp = value.trim();
+    device
+        .set_attribute_value(attr, tmp)
+        .map_err(|e| PlatformError::IoPath(attr.into(), e))
+}
+
 #[cfg(test)]
 mod tests {
     #[test]

rog-platform/src/macros.rs

@@ -141,3 +141,37 @@ macro_rules! attr_u8_array {
         $crate::watch_attr!($attr_name $item);
     };
 }
+
+#[macro_export]
+macro_rules! get_attr_string {
+    ($(#[$doc_comment:meta])? $attr_name:literal $item:ident) => {
+        concat_idents::concat_idents!(fn_name = get_, $attr_name {
+            $(#[$doc_comment])*
+            pub fn fn_name(&self) -> Result<String> {
+                $crate::read_attr_string(&to_device(&self.$item)?, $attr_name)
+            }
+        });
+    };
+}
+
+#[macro_export]
+macro_rules! set_attr_string {
+    ($(#[$doc_comment:meta])? $attr_name:literal $item:ident) => {
+        concat_idents::concat_idents!(fn_name = set_, $attr_name {
+            $(#[$doc_comment])*
+            pub fn fn_name(&self, values: &str) -> Result<()> {
+                $crate::write_attr_string(&mut to_device(&self.$item)?, $attr_name, values)
+            }
+        });
+    };
+}
+
+#[macro_export]
+macro_rules! attr_string {
+    ($attr_name:literal, $item:ident) => {
+        $crate::has_attr!($attr_name $item);
+        $crate::get_attr_string!($attr_name $item);
+        $crate::set_attr_string!($attr_name $item);
+        $crate::watch_attr!($attr_name $item);
+    };
+}

rog-platform/src/platform.rs

@@ -7,7 +7,7 @@ use serde::{Deserialize, Serialize};
 use zbus::zvariant::Type;
 
 use crate::error::{PlatformError, Result};
-use crate::{attr_bool, attr_u8, to_device};
+use crate::{attr_bool, attr_string, attr_u8, to_device};
 
 /// The "platform" device provides access to things like:
 /// - `dgpu_disable`
@@ -36,7 +36,7 @@ impl AsusPlatform {
     attr_u8!("throttle_thermal_policy", path);
 
     // The acpi platform_profile support
-    attr_u8!("platform_profile", pp_path);
+    attr_string!("platform_profile", pp_path);
 
     pub fn new() -> Result<Self> {
         let mut enumerator = udev::Enumerator::new().map_err(|err| {