Fix fan_temp0 update process

Author: moodeaudio

www/inc/common.php

@@ -652,7 +652,12 @@ function updBootConfigTxt($action, $value) {
 			if ($value == '#') {
 				sysCmd('sed -i s/^dtparam=fan_temp0/#dtparam=fan_temp0/ ' . BOOT_CONFIG_TXT);
 			} else {
-				sysCmd('sed -i s/^dtparam=fan_temp0.*/dtparam=' . $value . '/ ' . BOOT_CONFIG_TXT);
+				$result = sysCmd('cat ' . BOOT_CONFIG_TXT . ' | grep -c -e ^#dtparam=fan_temp0')[0];
+				if ($result == '0') {
+					sysCmd('sed -i s/^dtparam=fan_temp0.*/dtparam=' . $value . '/ ' . BOOT_CONFIG_TXT);
+				} else {
+					sysCmd('sed -i s/^#dtparam=fan_temp0.*/dtparam=' . $value . '/ ' . BOOT_CONFIG_TXT);					
+				}
 			}
 			break;
 		case 'upd_disable_bt':

www/sys-config.php

@@ -134,29 +134,31 @@
 	phpSession('write', 'reduce_power', $_POST['reduce_power']);
 }
 
-if (isset($_POST['fan_temp0']) && $_POST['fan_temp0'] != $_SESSION['fan_temp0']) {
-	// Format is: Threshold 45-55, Target 40-50, Speed 75-125
-	$valid = true;
-	$parts = explode(',', $_POST['fan_temp0']);
-	if ($parts[0] < 45 || $parts[0] > 55) {
-		$valid = false;
-		$msg = 'Threshold must be between 45-55.';
-	} else if ($parts[1] < 40 || $parts[1] > 50) {
-		$valid = false;
-		$msg = 'Target must be between 40-50.';
-	} else if ($parts[1] >= $parts[0]) {
-		$valid = false;
-		$msg = 'Target must be less than threshold.';
-	} else if ($parts[2] < 75 || $parts[2] > 125) {
-		$valid = false;
-		$msg = 'Speed must be between 75-125.';
-	}
-	if ($valid == false) {
-		$_SESSION['notify']['title'] = NOTIFY_TITLE_ALERT;
-		$_SESSION['notify']['msg'] = $msg;
-	} else {
-		submitJob('fan_temp0', formatFanTemp0Params($_POST['fan_temp0']), NOTIFY_TITLE_INFO, NOTIFY_MSG_SYSTEM_RESTART_REQD);
-		phpSession('write', 'fan_temp0', $_POST['fan_temp0']);
+if (isset($_POST['update_fan_temp0'])) {
+	if (isset($_POST['fan_temp0']) && $_POST['fan_temp0'] != $_SESSION['fan_temp0']) {
+		// Format is: Threshold 45-55, Target 40-50, Speed 75-125
+		$valid = true;
+		$parts = explode(',', $_POST['fan_temp0']);
+		if ($parts[0] < 45 || $parts[0] > 55) {
+			$valid = false;
+			$msg = 'Threshold must be between 45-55.';
+		} else if ($parts[1] < 40 || $parts[1] > 50) {
+			$valid = false;
+			$msg = 'Target must be between 40-50.';
+		} else if ($parts[1] >= $parts[0]) {
+			$valid = false;
+			$msg = 'Target must be less than threshold.';
+		} else if ($parts[2] < 75 || $parts[2] > 125) {
+			$valid = false;
+			$msg = 'Speed must be between 75-125.';
+		}
+		if ($valid == false) {
+			$_SESSION['notify']['title'] = NOTIFY_TITLE_ALERT;
+			$_SESSION['notify']['msg'] = $msg;
+		} else {
+			submitJob('fan_temp0', formatFanTemp0Params($_POST['fan_temp0']), NOTIFY_TITLE_INFO, NOTIFY_MSG_SYSTEM_RESTART_REQD);
+			phpSession('write', 'fan_temp0', $_POST['fan_temp0']);
+		}
 	}
 }
 

www/templates/sys-config.html

@@ -160,7 +160,7 @@ <h1 class="sys-config">System</h1>
 			<div class="$_fan_temp0_hide">
 				<label class="control-label" for="fan-temp0">Fan control</label>
 	            <div class="controls">
-	                <input class="config-input-large" type="text" id="fan-temp0" name="fan_temp0" value="$_select[fan_temp0]" required>
+	                <input class="config-input-large" type="text" id="fan-temp0" name="fan_temp0" value="$_select[fan_temp0]">
 					<button class="btn btn-primary btn-small config-btn-set btn-submit" type="submit" name="update_fan_temp0" value="novalue"><i class="fa fa-solid fa-sharp fa-arrow-turn-down-left"></i></button>
 					<span class="config-help-static">
 						Format is: Threshold 45-55C, Target 40-50C, Speed 75-125.<br>