diff options
author | Lennart Poettering <lennart@poettering.net> | 2009-01-30 02:24:40 +0100 |
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committer | Lennart Poettering <lennart@poettering.net> | 2009-01-30 02:24:40 +0100 |
commit | 4bd654542e43e61bd0422fd1191a6570e9875c4d (patch) | |
tree | cc5b15e74ce05864781daf77b50064618c65c690 /src/modules/alsa/alsa-util.c | |
parent | 1c94cfe29f552c22fb5807ca048c255710a6b487 (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.c | 19 |
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; +} |