[bootlin/training-materials updates] master: labs/sysdev-accessing-hardware-beagleplay: document the current "od" issue (7fdf32dd)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/7fdf32dd8fc52d12355d49592f35428b460f2252

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commit 7fdf32dd8fc52d12355d49592f35428b460f2252
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Fri Jul 28 11:24:35 2023 +0200

    labs/sysdev-accessing-hardware-beagleplay: document the current "od" issue
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


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7fdf32dd8fc52d12355d49592f35428b460f2252
 .../sysdev-accessing-hardware-beagleplay.tex                         | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/labs/sysdev-accessing-hardware-beagleplay/sysdev-accessing-hardware-beagleplay.tex b/labs/sysdev-accessing-hardware-beagleplay/sysdev-accessing-hardware-beagleplay.tex
index 6313e633..837d9791 100644
--- a/labs/sysdev-accessing-hardware-beagleplay/sysdev-accessing-hardware-beagleplay.tex
+++ b/labs/sysdev-accessing-hardware-beagleplay/sysdev-accessing-hardware-beagleplay.tex
@@ -732,6 +732,11 @@ command, use the same number as in the message you got in the console
 # od -x /dev/input/event2
 \end{bashinput}
 
+{\bf Caution}: using \code{od} on input event files is currently broken
+with the Musl library. We are investigating, but we will be able
+to test the Nunchuk later anyway when we compile the \code{evtest}
+program.
+
 We will use the Nunchuk to control audio playback in an upcoming lab.
 
 \section{Setting the board's model name}