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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
commit | 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch) | |
tree | e9891aa6c295060d065adffd610c4f49ecf884f3 /sound/hda/hdac_stream.c | |
parent | a71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff) |
Linux-libre 4.3.2-gnu
Diffstat (limited to 'sound/hda/hdac_stream.c')
-rw-r--r-- | sound/hda/hdac_stream.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c index 4c15d0acc..898115981 100644 --- a/sound/hda/hdac_stream.c +++ b/sound/hda/hdac_stream.c @@ -286,6 +286,28 @@ void snd_hdac_stream_release(struct hdac_stream *azx_dev) } EXPORT_SYMBOL_GPL(snd_hdac_stream_release); +/** + * snd_hdac_get_stream - return hdac_stream based on stream_tag and + * direction + * + * @bus: HD-audio core bus + * @dir: direction for the stream to be found + * @stream_tag: stream tag for stream to be found + */ +struct hdac_stream *snd_hdac_get_stream(struct hdac_bus *bus, + int dir, int stream_tag) +{ + struct hdac_stream *s; + + list_for_each_entry(s, &bus->stream_list, list) { + if (s->direction == dir && s->stream_tag == stream_tag) + return s; + } + + return NULL; +} +EXPORT_SYMBOL_GPL(snd_hdac_get_stream); + /* * set up a BDL entry */ |