From 138dbaecc0d5420128e89bbec74467c1ddf3e29a Mon Sep 17 00:00:00 2001
From: TG <tarik.graba@telecom-paris.fr>
Date: Thu, 29 Aug 2024 10:08:23 +0200
Subject: [PATCH] i2c-dev should also be added to the loaded modules

Changing only the boot configuration to load the i2c-gpio overlay is not
sufficient, the i2c-dev module should also be loaded.
raspi-config does this when enabling the i2c interface.
---
 INSTALL.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/INSTALL.md b/INSTALL.md
index 0afc3e1..428eca3 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -55,6 +55,9 @@ Ensure that the line `dtparam=i2c_arm=on` is not present: that would
 activate the hardware I²C bus, which cannot be used due to a hardware
 bug in the BCM2712 SOC with regard to clock stretching.
 
+Ensure that `i2c-dev` is also present in `/etc/modules` (should be
+the case if you have used `raspi-config` to enable the I²C interface).
+
 The Python module is located in `controller/python/controller.py`.
 
 ### Firmware updater
-- 
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