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| author | Vinod Koul <vinod.koul@intel.com> | 2015-06-17 11:20:17 +0530 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-06-17 12:33:08 +0200 |
| commit | bab4445f9a083f087d0ebb4ba3e9dde669a6b9a5 (patch) | |
| tree | 9e05f2326a6142c015fd257b2b9cf6c92e10499e | |
| parent | e7a3484dc5b15aa69e44a8b29d9a6e512fa3f922 (diff) | |
| download | linux-bab4445f9a083f087d0ebb4ba3e9dde669a6b9a5.tar.gz linux-bab4445f9a083f087d0ebb4ba3e9dde669a6b9a5.tar.bz2 linux-bab4445f9a083f087d0ebb4ba3e9dde669a6b9a5.zip | |
ALSA: hda: add hda link cleanup routine
In HDA extended bus the HDA link objects are created when multilink
capabilities are parsed. We need a routine which free up these link objects
for a bus. So add snd_hdac_link_free_all routine
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | include/sound/hdaudio_ext.h | 1 | ||||
| -rw-r--r-- | sound/hda/ext/hdac_ext_controller.c | 18 |
2 files changed, 19 insertions, 0 deletions
diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h index 877661629322..0f89df1511dc 100644 --- a/include/sound/hdaudio_ext.h +++ b/include/sound/hdaudio_ext.h @@ -90,6 +90,7 @@ void snd_hdac_ext_stream_init(struct hdac_ext_bus *bus, int snd_hdac_ext_stream_init_all(struct hdac_ext_bus *ebus, int start_idx, int num_stream, int dir); void snd_hdac_stream_free_all(struct hdac_ext_bus *ebus); +void snd_hdac_link_free_all(struct hdac_ext_bus *ebus); struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_ext_bus *bus, struct snd_pcm_substream *substream, int type); diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c index adffc89541c9..b2da19b60f4e 100644 --- a/sound/hda/ext/hdac_ext_controller.c +++ b/sound/hda/ext/hdac_ext_controller.c @@ -194,6 +194,24 @@ int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *ebus) EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_get_ml_capabilities); /** + * snd_hdac_link_free_all- free hdac extended link objects + * + * @ebus: HD-audio ext core bus + */ + +void snd_hdac_link_free_all(struct hdac_ext_bus *ebus) +{ + struct hdac_ext_link *l; + + while (!list_empty(&ebus->hlink_list)) { + l = list_first_entry(&ebus->hlink_list, struct hdac_ext_link, list); + list_del(&l->list); + kfree(l); + } +} +EXPORT_SYMBOL_GPL(snd_hdac_link_free_all); + +/** * snd_hdac_ext_bus_get_link_index - get link based on codec name * @ebus: HD-audio extended core bus * @codec_name: codec name |