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alsa: when passing emptry mixer control name, force sw volume
author
Lennart Poettering
<lennart@poettering.net>
Mon, 13 Apr 2009 20:45:31 +0000
(22:45 +0200)
committer
Lennart Poettering
<lennart@poettering.net>
Mon, 13 Apr 2009 20:45:31 +0000
(22:45 +0200)
src/modules/alsa/alsa-util.c
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diff --git
a/src/modules/alsa/alsa-util.c
b/src/modules/alsa/alsa-util.c
index
fbf88b0
..
8da07b2
100644
(file)
--- 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;