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authorLennart Poettering <lennart@poettering.net>2009-04-13 22:45:31 +0200
committerLennart Poettering <lennart@poettering.net>2009-04-13 22:45:31 +0200
commit89f74cb85867a8eb1bb609006212453405583132 (patch)
tree9bd050538d7e7a5669e26a3cad290c7861a5e22e /src/modules/alsa/alsa-util.c
parent237a9e12f8ee17cfec40e4c4df61a3db0c57ce81 (diff)
alsa: when passing emptry mixer control name, force sw volume
Diffstat (limited to 'src/modules/alsa/alsa-util.c')
-rw-r--r--src/modules/alsa/alsa-util.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/modules/alsa/alsa-util.c b/src/modules/alsa/alsa-util.c
index fbf88b08..8da07b24 100644
--- a/src/modules/alsa/alsa-util.c
+++ b/src/modules/alsa/alsa-util.c
@@ -1107,6 +1107,11 @@ int pa_alsa_find_mixer_and_elem(
pa_assert(_m);
pa_assert(_e);
+ if (control_name && *control_name == 0) {
+ pa_log_debug("Hardware mixer usage disabled because empty control name passed");
+ return -1;
+ }
+
if ((err = snd_mixer_open(&m, 0)) < 0) {
pa_log("Error opening mixer: %s", snd_strerror(err));
return -1;