From 67b767b152f0623d45e02eef97f4b6281bd13844 Mon Sep 17 00:00:00 2001 From: Lennie Date: Sat, 27 Mar 2021 20:34:33 +0100 Subject: [PATCH] Update README.md On my system I needed to use -d my guess is it was just a typo from you ? --- README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 82332b8..fd15ba3 100644 --- a/README.md +++ b/README.md @@ -99,8 +99,8 @@ v4l2 utilities provide the tools to manage USB webcam setting and information. S * List of available video devices: `v4l2-ctl --list-devices`. * List available control settings: `v4l2-ctl -d /dev/video0 --list-ctrls`. * List available video formats: `v4l2-ctl -d /dev/video0 --list-formats-ext`. -* Read the current setting: `v4l2-ctl d /dev/video0 --get-ctrl=exposure_auto`. -* Change the setting value: `v4l2-ctl d /dev/video0 --set-ctrl=exposure_auto=1`. +* Read the current setting: `v4l2-ctl -d /dev/video0 --get-ctrl=exposure_auto`. +* Change the setting value: `v4l2-ctl -d /dev/video0 --set-ctrl=exposure_auto=1`. [Here](https://www.kurokesu.com/main/2016/01/16/manual-usb-camera-settings-in-linux/) you can find more examples. Documentation is available in [`man v4l2-ctl`](https://www.mankier.com/1/v4l2-ctl).