This callback will be called by the i915 driver to notify the hda driver that its HDMI information needs to be refreshed, i e, that audio output is now available (or unavailable) - usually as a result of a monitor being plugged in (or unplugged).
Signed-off-by: David Henningsson david.henningsson@canonical.com --- include/drm/i915_component.h | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/include/drm/i915_component.h b/include/drm/i915_component.h index c9a8b64..ab5bde37 100644 --- a/include/drm/i915_component.h +++ b/include/drm/i915_component.h @@ -34,6 +34,18 @@ struct i915_audio_component { void (*codec_wake_override)(struct device *, bool enable); int (*get_cdclk_freq)(struct device *); } *ops; + + const struct i915_audio_component_audio_ops { + void *audio_ptr; + /** + * Call from i915 driver, notifying the HDA driver that + * pin sense and/or ELD information has changed. + * @audio_ptr: HDA driver object + * @port: Which port has changed (PORTA / PORTB / PORTC etc) + * @port_mst_index: Index within that port, for DisplayPort multistreaming + */ + void (*pin_eld_notify)(void *audio_ptr, int port, int port_mst_index); + } *audio_ops; };
#endif /* _I915_COMPONENT_H_ */