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authorLennart Poettering <lennart@poettering.net>2009-01-30 02:24:40 +0100
committerLennart Poettering <lennart@poettering.net>2009-01-30 02:24:40 +0100
commit4bd654542e43e61bd0422fd1191a6570e9875c4d (patch)
treecc5b15e74ce05864781daf77b50064618c65c690 /src/modules/alsa/alsa-util.c
parent1c94cfe29f552c22fb5807ca048c255710a6b487 (diff)
add new function pa_alsa_get_driver_name()
Diffstat (limited to 'src/modules/alsa/alsa-util.c')
-rw-r--r--src/modules/alsa/alsa-util.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/modules/alsa/alsa-util.c b/src/modules/alsa/alsa-util.c
index 7e5a3503..f23056a8 100644
--- a/src/modules/alsa/alsa-util.c
+++ b/src/modules/alsa/alsa-util.c
@@ -31,6 +31,7 @@
#include <pulse/sample.h>
#include <pulse/xmalloc.h>
#include <pulse/timeval.h>
+#include <pulse/util.h>
#include <pulsecore/log.h>
#include <pulsecore/macro.h>
@@ -1477,3 +1478,21 @@ int pa_alsa_safe_mmap_begin(snd_pcm_t *pcm, const snd_pcm_channel_area_t **areas
return r;
}
+
+char *pa_alsa_get_driver_name(int card) {
+ char *t, *m, *n;
+
+ pa_assert(card >= 0);
+
+ t = pa_sprintf_malloc("/sys/class/sound/card%i/device/driver/module", card);
+ m = pa_readlink(t);
+ pa_xfree(t);
+
+ if (!m)
+ return NULL;
+
+ n = pa_xstrdup(pa_path_get_filename(m));
+ pa_xfree(m);
+
+ return n;
+}