ALSA: hdac: add extended ops in the hdac_bus

Add extended ops in the hdac_bus to allow calling the ASoC HDAC library
ops to reuse the legacy HDA codec drivers with ASoC framework.
Extended ops are used by the legacy codec drivers to call into
hdac_hda library, in the subsequent patches..

Signed-off-by: Rakesh Ughreja <rakesh.a.ughreja@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 3 insertions, 1 deletions

diff --git a/sound/hda/ext/hdac_ext_bus.c b/sound/hda/ext/hdac_ext_bus.c
index 1eb58244688e..9c37d9af3023 100644
--- a/sound/hda/ext/hdac_ext_bus.c
+++ b/sound/hda/ext/hdac_ext_bus.c
@@ -89,7 +89,8 @@ static const struct hdac_io_ops hdac_ext_default_io = {
  */
 int snd_hdac_ext_bus_init(struct hdac_bus *bus, struct device *dev,
                         const struct hdac_bus_ops *ops,
-                        const struct hdac_io_ops *io_ops)
+                        const struct hdac_io_ops *io_ops,
+                        const struct hdac_ext_bus_ops *ext_ops)
 {
         int ret;
         static int idx;
@@ -102,6 +103,7 @@ int snd_hdac_ext_bus_init(struct hdac_bus *bus, struct device *dev,
         if (ret < 0)
                 return ret;
 
+        bus->ext_ops = ext_ops;
         INIT_LIST_HEAD(&bus->hlink_list);
         bus->idx = idx++;