From 158cae323787661ac7563e5bf5ce40be3e096445 Mon Sep 17 00:00:00 2001
From: Managor <42655600+Managor@users.noreply.github.com>
Date: Sun, 15 Mar 2026 23:26:31 +0200
Subject: [PATCH] Add instructions for creating v4l2loopback device

PR #6725 <https://github.com/Genymobile/scrcpy/pull/6725>

Signed-off-by: Romain Vimont <rom@rom1v.com>
---
 doc/v4l2.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/doc/v4l2.md b/doc/v4l2.md
index 54272b2b..ac1e3540 100644
--- a/doc/v4l2.md
+++ b/doc/v4l2.md
@@ -38,6 +38,13 @@ v4l2-ctl --list-devices
 ls /dev/video*
 ```
 
+If a loopback device was not created automatically, you can make a new one:
+
+```
+# requires v4l2loopback-utils package
+sudo v4l2loopback-ctl add
+```
+
 To start `scrcpy` using a v4l2 sink:
 
 ```bash