From a5ac7f6b6928e3a280603470b1267206419b2033 Mon Sep 17 00:00:00 2001
From: Bob Chu <79439153+qnos@users.noreply.github.com>
Date: Sun, 12 May 2024 16:45:19 +0800
Subject: [PATCH] [devices]: Seastone fix issue #18767 psu fan speed issue
 (#18787)

Fix issue #18787 fan information could not been shown issue.

How I did it
Add psu fan get_target_speed api support.

How to verify it
Use `show platform fan` in branch 202311.
---
 device/celestica/x86_64-cel_seastone-r0/sonic_platform/fan.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/device/celestica/x86_64-cel_seastone-r0/sonic_platform/fan.py b/device/celestica/x86_64-cel_seastone-r0/sonic_platform/fan.py
index 00785dd8fddf..9269dbe26fc2 100644
--- a/device/celestica/x86_64-cel_seastone-r0/sonic_platform/fan.py
+++ b/device/celestica/x86_64-cel_seastone-r0/sonic_platform/fan.py
@@ -188,6 +188,8 @@ def get_target_speed(self):
             sysfs_path = sysfs_path.format(fan_index[self.fan_tray_index])
             pwm = self._api_helper.read_txt_file(sysfs_path)
             target = round(int(pwm) / 255 * 100.0)
+        else:
+            return self.get_speed()
 
         return target