On Wed, Aug 19, 2015 at 10:48:55AM +0200, David Henningsson wrote:
> 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@xxxxxxxxxxxxx>
> ---
> 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;
This won't work as proper kerneldoc, but you get away with it since it's
not pulled into the drm.tmpl. See my comments for the new set_audio_rate
callback.
-Daniel
> };
>
> #endif /* _I915_COMPONENT_H_ */
> --
> 1.9.1
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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