struct i915_audio_component_audio_ops — Ops implemented by hda driver, called by i915 driver
struct i915_audio_component_audio_ops { void * audio_ptr; void (* pin_eld_notify) (void *audio_ptr, int port); };
Pointer to be used in call to pin_eld_notify
Notify the HDA driver that pin sense and/or ELD information has changed
Called when the i915 driver has set up audio pipeline or has just begun to tear it down. This allows the HDA driver to update its status accordingly (even when the HDA controller is in power save mode).