ALSA: hda: Use dev_to_hdac_dev macro

Use dev_to_hdac_dev() instead of container_of().

No functional change intended.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20200505030357.28004-1-kai.heng.feng@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/hda/ext/hdac_ext_bus.c b/sound/hda/ext/hdac_ext_bus.c
index 73bfa71..d0a604c 100644
--- a/sound/hda/ext/hdac_ext_bus.c
+++ b/sound/hda/ext/hdac_ext_bus.c
@@ -62,7 +62,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_exit);
 
 static void default_release(struct device *dev)
 {
-	snd_hdac_ext_bus_device_exit(container_of(dev, struct hdac_device, dev));
+	snd_hdac_ext_bus_device_exit(dev_to_hdac_dev(dev));
 }
 
 /**
diff --git a/sound/hda/hdac_device.c b/sound/hda/hdac_device.c
index e3119f5..333220f 100644
--- a/sound/hda/hdac_device.c
+++ b/sound/hda/hdac_device.c
@@ -20,7 +20,7 @@ static int get_codec_vendor_name(struct hdac_device *codec);
 
 static void default_release(struct device *dev)
 {
-	snd_hdac_device_exit(container_of(dev, struct hdac_device, dev));
+	snd_hdac_device_exit(dev_to_hdac_dev(dev));
 }
 
 /**