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authorDavid Henningsson <david.henningsson@canonical.com>2015-08-19 04:48:55 -0400
committerTakashi Iwai <tiwai@suse.de>2015-09-02 05:30:44 -0400
commit2a8ceedf787167e6b1670b89d44e8dffca14d19c (patch)
tree628f488d119f745eb87215355cb1ca5ff65e1f91
parent08ceab9d875824f8b389530e830349d5d6c4e582 (diff)
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: David Henningsson <david.henningsson@canonical.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r--include/drm/i915_component.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/drm/i915_component.h b/include/drm/i915_component.h
index c9a8b64aa33b..ab5bde3736b4 100644
--- a/include/drm/i915_component.h
+++ b/include/drm/i915_component.h
@@ -34,6 +34,18 @@ struct i915_audio_component {
34 void (*codec_wake_override)(struct device *, bool enable); 34 void (*codec_wake_override)(struct device *, bool enable);
35 int (*get_cdclk_freq)(struct device *); 35 int (*get_cdclk_freq)(struct device *);
36 } *ops; 36 } *ops;
37
38 const struct i915_audio_component_audio_ops {
39 void *audio_ptr;
40 /**
41 * Call from i915 driver, notifying the HDA driver that
42 * pin sense and/or ELD information has changed.
43 * @audio_ptr: HDA driver object
44 * @port: Which port has changed (PORTA / PORTB / PORTC etc)
45 * @port_mst_index: Index within that port, for DisplayPort multistreaming
46 */
47 void (*pin_eld_notify)(void *audio_ptr, int port, int port_mst_index);
48 } *audio_ops;
37}; 49};
38 50
39#endif /* _I915_COMPONENT_H_ */ 51#endif /* _I915_COMPONENT_H_ */