kernel/Documentation/sound/designs/procfile.rst
.. .. @@ -91,7 +91,7 @@ 91 91 92 92 ``card*/pcm*/xrun_debug`` 93 93 This file appears when ``CONFIG_SND_DEBUG=y`` and 94 - ``CONFIG_PCM_XRUN_DEBUG=y``.94 + ``CONFIG_SND_PCM_XRUN_DEBUG=y``.95 95 This shows the status of xrun (= buffer overrun/xrun) and 96 96 invalid PCM position debug/check of ALSA PCM middle layer. 97 97 It takes an integer value, can be changed by writing to this