At Sun, 12 Apr 2015 18:06:10 +0530, Subhransu S. Prusty wrote:
From: Jeeja KP jeeja.kp@intel.com
This will be used by SKL controller in driver remove to unregister all hda devices added during probe.
Signed-off-by: Jeeja KP jeeja.kp@intel.com Signed-off-by: Subhransu S. Prusty subhransu.s.prusty@intel.com Signed-off-by: Vinod Koul vinod.koul@intel.com
include/sound/hdaudio.h | 2 ++ sound/hda/hdac_bus.c | 10 ++++++++++ 2 files changed, 12 insertions(+)
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h index b63cd03..247c4a7 100644 --- a/include/sound/hdaudio.h +++ b/include/sound/hdaudio.h @@ -268,6 +268,8 @@ void snd_hdac_bus_remove_device(struct hdac_bus *bus, struct hdac_device *codec); int snd_hdac_bus_match_id(struct hdac_device *dev, struct hdac_driver *drv);
+void snd_hdac_bus_device_unregister(struct hdac_bus *bus);
static inline void snd_hdac_codec_link_up(struct hdac_device *codec) { set_bit(codec->addr, &codec->bus->codec_powered); diff --git a/sound/hda/hdac_bus.c b/sound/hda/hdac_bus.c index 4ecb4ec..23b6076 100644 --- a/sound/hda/hdac_bus.c +++ b/sound/hda/hdac_bus.c @@ -240,3 +240,13 @@ void snd_hdac_driver_unregister(struct hdac_driver *drv) driver_unregister(&drv->driver); } EXPORT_SYMBOL_GPL(snd_hdac_driver_unregister);
+void snd_hdac_bus_device_unregister(struct hdac_bus *bus) +{
- struct hdac_device *hdev;
- /*unregister all devices on bus */
- list_for_each_entry(hdev, &bus->codec_list, list)
snd_hdac_device_unregister(hdev);+} +EXPORT_SYMBOL_GPL(snd_hdac_bus_device_unregister);
Again, I don't think we need to keep this in the core code until it's really shared among multiple drivers.
thanks,
Takashi