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Commit 2a8ceedf authored by David Henningsson's avatar David Henningsson Committed by Takashi Iwai
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drm/i915: Add audio pin sense / ELD callback 



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: default avatarDavid Henningsson <david.henningsson@canonical.com>
Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
Acked-by: default avatarDaniel Vetter <daniel@ffwll.ch>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 08ceab9d

include/drm/i915_component.h

+12 −0
Original line number Diff line number Diff line
@@ -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_ */