dasharo-compatibility/31F-audio-subsystem.md: add warning

Signed-off-by: Wiktor Mowinski <[email protected]>
Dasharo · Nov 14, 2024 · 887177f · 887177f
1 parent 7217130
commit 887177f
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diff --git a/docs/unified-test-documentation/dasharo-compatibility/31F-audio-subsystem.md b/docs/unified-test-documentation/dasharo-compatibility/31F-audio-subsystem.md
@@ -551,6 +551,17 @@ connecting the external display using the HDMI cable.
     amixer -c 0 contents | grep -A 2 'HDMI/DP,pcm=3'
     ```
 
+    !!! warning
+
+        on DUTs with more than one audio adapter, you might need to change
+        value of `-c` parameter in order to find the actual location of
+        HDMI card
+        i.e.:
+
+        ```bash
+        amixer -c 1 contents | grep -A 2 'HDMI/DP,pcm=3'
+        ```
+
 1. Disconnect the headset from the laptop.
 1. Execute the following command again: