LibEnvVars

The settings of these environment variables affect the operation of alsa-lib

LIBASOUND_DEBUG

=1 print errors to stderr, dump hw_params

=2 also assert(0)

ALSA_CONFIG_PATH

file to use instead of ALSA_CONFIG_DIR/alsa.conf"

ALSA_MIXER_SIMPLE

file to use instead of ALSA_CONFIG_DIR/smixer.conf

ALSA_MIXER_SIMPLE_MODULES

path to modules .so files

LADSPA_PATH

path to ladspa plugins

Proposed

LIBASOUND_PCM_DUMP

=1 dump pcm_hw_params to console from any app (similar to aplay -v)