diff options
author | Vinod Koul <vinod.koul@intel.com> | 2015-08-21 13:17:40 +0300 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2015-08-21 13:34:00 +0300 |
commit | ee2d51b3d4c940cd34dbc83eb10bb24205c56ebf (patch) | |
tree | 2d3ac3c8b6f05ccaa496b9edb164e93baf76adf5 | |
parent | 9430e547894d2ff099e5717050eb40c1e1dd2bad (diff) | |
download | linux-ee2d51b3d4c940cd34dbc83eb10bb24205c56ebf.tar.xz |
ALSA: hdac: Add API for removing hdac extended device
The HDAC extended device objects are created by HDAC extended bus on probe.
When controller is removed they should be removed as well, so add API
snd_hdac_ext_bus_device_remove for this
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_bus.c | 19 |
2 files changed, 20 insertions, 0 deletions
diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h index 0f89df1511dc..148267b76ab7 100644 --- a/include/sound/hdaudio_ext.h +++ b/include/sound/hdaudio_ext.h @@ -34,6 +34,7 @@ int snd_hdac_ext_bus_init(struct hdac_ext_bus *sbus, struct device *dev, void snd_hdac_ext_bus_exit(struct hdac_ext_bus *sbus); int snd_hdac_ext_bus_device_init(struct hdac_ext_bus *sbus, int addr); void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev); +void snd_hdac_ext_bus_device_remove(struct hdac_ext_bus *ebus); #define ebus_to_hbus(ebus) (&(ebus)->bus) #define hbus_to_ebus(_bus) \ diff --git a/sound/hda/ext/hdac_ext_bus.c b/sound/hda/ext/hdac_ext_bus.c index 0aa5d9eb6c3f..cf69202f7da0 100644 --- a/sound/hda/ext/hdac_ext_bus.c +++ b/sound/hda/ext/hdac_ext_bus.c @@ -172,3 +172,22 @@ void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev) kfree(hdev); } EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_device_exit); + +/** + * snd_hdac_ext_bus_device_remove - remove HD-audio extended codec base devices + * + * @ebus: HD-audio extended bus + */ +void snd_hdac_ext_bus_device_remove(struct hdac_ext_bus *ebus) +{ + struct hdac_device *codec, *__codec; + /* + * we need to remove all the codec devices objects created in the + * snd_hdac_ext_bus_device_init + */ + list_for_each_entry_safe(codec, __codec, &ebus->bus.codec_list, list) { + snd_hdac_device_unregister(codec); + put_device(&codec->dev); + } +} +EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_device_remove); |