Fix PWM10+ discovery and sort order in Common.php

src/usr/local/emhttp/plugins/fanctrlplus2/include/Common.php

@@ -79,7 +79,8 @@ function build_pwm_map(): array {
 
         $chip = normalize_chip_name(trim(file_get_contents($name_file)));
 
-        foreach (glob("$dir/pwm[0-9]") as $pwm_path) {
+        foreach (glob("$dir/pwm*") as $pwm_path) {
+            if (!preg_match('/^pwm\d+$/', basename($pwm_path))) continue;
             $pwmN = basename($pwm_path);
             $real = realpath($pwm_path) ?: $pwm_path;
             $map["$chip:$pwmN"] = $real;
@@ -234,15 +235,23 @@ function migrate_cfg_and_labels(string $plugin): void {
 
 function list_pwm() {
   $out = [];
-  exec("find /sys/devices -type f -iname 'pwm[0-9]' -exec dirname \"{}\" + | uniq", $chips);
-  foreach ($chips as $chip) {
+  // Enumerate via /sys/class/hwmon, same as build_pwm_map() above -- avoids
+  // a shell exec() + GNU-only `find -regextype` (unavailable on some find
+  // implementations), and glob("pwm*") + a strict regex filter correctly
+  // excludes per-channel attributes (pwm1_enable, pwm1_auto_point1_pwm,
+  // etc.) that a bare "pwm[0-9]*" pattern would also match, since a glob
+  // char class only consumes one character before the trailing "*" takes
+  // over -- "pwm[0-9]*" still matches "pwm1_enable" the same way "pwm*"
+  // does.
+  foreach (glob('/sys/class/hwmon/hwmon*') as $chip) {
     $name = is_file("$chip/name") ? trim(file_get_contents("$chip/name")) : '';
-    foreach (glob("$chip/pwm[0-9]") as $pwm) {
+    foreach (glob("$chip/pwm*") as $pwm) {
+      if (!preg_match('/^pwm\d+$/', basename($pwm))) continue;
       $out[] = ['chip' => $name, 'name' => basename($pwm), 'sensor' => $pwm];
     }
   }
 
-  usort($out, fn($a, $b) => strcmp($a['name'], $b['name']));
+  usort($out, fn($a, $b) => strnatcmp($a['name'], $b['name']));
   return $out;
 }