From b082a6fb211ef19d75c4c81414be9aa1b9248b45 Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Thu, 13 Aug 2020 18:31:08 +0200
Subject: lcd: T2564: flatten CLI interface

* set system lcd device <device>
* set system lcd model <modeml>

Both device and model have completion helpers for supported interfaces and LCD
displays.
---
 python/vyos/util.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'python')

diff --git a/python/vyos/util.py b/python/vyos/util.py
index 7078762df..c07fef599 100644
--- a/python/vyos/util.py
+++ b/python/vyos/util.py
@@ -661,3 +661,15 @@ def check_kmod(k_mod):
         if not os.path.exists(f'/sys/module/{module}'):
             if call(f'modprobe {module}') != 0:
                 raise ConfigError(f'Loading Kernel module {module} failed')
+
+def find_device_file(device):
+    """ Recurively search /dev for the given device file and return its full path.
+        If no device file was found 'None' is returned """
+    from fnmatch import fnmatch
+
+    for root, dirs, files in os.walk('/dev'):
+        for basename in files:
+            if fnmatch(basename, device):
+                return os.path.join(root, basename)
+
+    return None
-- 
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