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authorDavid Henningsson <david.henningsson@canonical.com>2015-08-19 10:48:55 +0200
committerTakashi Iwai <tiwai@suse.de>2015-09-02 11:30:44 +0200
commit2a8ceedf787167e6b1670b89d44e8dffca14d19c (patch)
tree628f488d119f745eb87215355cb1ca5ff65e1f91 /include/drm
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>
Diffstat (limited to 'include/drm')
-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 {
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_ */