audio: Fix clippy

JohnAZoidberg · JohnAZoidberg · commit d885a75a0e47 · 2024-10-21T14:04:13.000+08:00
Seems with newer hid version, mutable is not required anymore.

Signed-off-by: Daniel Schaefer &lt;dhs@frame.work&gt;
diff --git a/framework_lib/src/audio_card.rs b/framework_lib/src/audio_card.rs
@@ -46,7 +46,7 @@ pub fn check_synaptics_fw_version() {
         {
             continue;
         }
-        let mut handle = dev.open().unwrap();
+        let handle = dev.open().unwrap();
 
         let interface_number = if let Some(num) = find_hid_interface(&handle) {
             num

Original file line number	Diff line number	Diff line change
`@@ -46,7 +46,7 @@ pub fn check_synaptics_fw_version() {`
`46`	`46`	`{`
`47`	`47`	`continue;`
`48`	`48`	`}`
`49`		`- let mut handle = dev.open().unwrap();`
	`49`	`+ let handle = dev.open().unwrap();`
`50`	`50`
`51`	`51`	`let interface_number = if let Some(num) = find_hid_interface(&handle) {`
`52`	`52`	`num`