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authorDavid Henningsson <david.henningsson@canonical.com>2015-08-19 10:48:57 +0200
committerTakashi Iwai <tiwai@suse.de>2015-09-02 12:23:55 +0200
commit45c053df5bdc4843cf19b920db6ab819ddc27ff7 (patch)
tree3eed70f87f158814dcc60d645c175833240a0fa8 /sound/hda/hdac_i915.c
parent51e1d83cab9988716ae68801a721f4df0aaa374b (diff)
ALSA: hda - allow codecs to access the i915 pin/ELD callback
This lets the interested codec be notified when an i915 pin/ELD event happens. [tiwai: Fixed a trivial build error for CONFIG_SND_HDA_I915=n] Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/hda/hdac_i915.c')
-rw-r--r--sound/hda/hdac_i915.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c
index 5676b849379d..55c3df4458f7 100644
--- a/sound/hda/hdac_i915.c
+++ b/sound/hda/hdac_i915.c
@@ -134,6 +134,16 @@ static int hdac_component_master_match(struct device *dev, void *data)
return !strcmp(dev->driver->name, "i915");
}
+int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *aops)
+{
+ if (WARN_ON(!hdac_acomp))
+ return -ENODEV;
+
+ hdac_acomp->audio_ops = aops;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_hdac_i915_register_notifier);
+
int snd_hdac_i915_init(struct hdac_bus *bus)
{
struct component_match *match = NULL;