Add description of ALSA_OSS_PCM_DEVICE env variable

Added the description about ALSA_OSS_PCM_DEVICE environment variable.

diff --git a/alsa/aoss.1 b/alsa/aoss.1
index 4920c8b4fc021a9b1b2e48ab28c06fbd0192ac39..44f1bcd6bafbccb2b868b9a99d4349ee3bdd5cc8 100644 (file)
--- a/alsa/aoss.1
+++ b/alsa/aoss.1
@@ -30,6 +30,9 @@ pcm.dsp0 {
 
 In the above configuration examples, the pcm.dsp0 definition is used to wrap calls do /dev/dsp0. You can also wrap usage of /dev/dsp1, /dev/dsp2, etc. by defining pcm.dsp1, pcm.dsp2, etc..
 
+The PCM name to open can be given explicitly via \fBALSA_OSS_PCM_DEVICE\fP
+environment variable, too.  This overrides the default \fBdsp0\fP, etc.
+
 Note on mmap: aoss mmap support might be buggy. Your results may vary when trying to use an application that uses mmap'ing to access the OSS device files.