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alsa: when passing emptry mixer control name, force sw volume

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This commit is contained in:
Lennart Poettering 2009-04-13 22:45:31 +02:00
parent 237a9e12f8
commit 89f74cb858
1 changed files with 5 additions and 0 deletions
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5
src/modules/alsa/alsa-util.c
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@ -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;