[alsa-devel] [Intel-gfx] [PATCH 1/4] drm/i915: Add audio pin sense / ELD callback

[Daniel Vetter]

On Fri, Aug 28, 2015 at 07:02:27PM +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).
> 
> Reviewed-by: Jani Nikula <jani.nikula at intel.com>
> Signed-off-by: David Henningsson <david.henningsson at canonical.com>
> ---
>  include/drm/i915_component.h | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/include/drm/i915_component.h b/include/drm/i915_component.h
> index c9a8b64..c0f4d45 100644
> --- a/include/drm/i915_component.h
> +++ b/include/drm/i915_component.h
> @@ -34,6 +34,22 @@ 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 {
> +		/**
> +		 * @audio_ptr:
> +		 *
> +		 * Pointer to pass when calling pin_eld_notify.
> +		 */
> +		void *audio_ptr;
> +		/**
> +		 * @pin_eld_notify:
> +		 *
> +		 * Called from i915 driver, notifying the HDA driver that
> +		 * pin sense and/or ELD information has changed.
> +		 */
> +		void (*pin_eld_notify)(void *audio_ptr, int port);

Kerneldoc looks good now, but it won't be of much use with an include
directive into the drm.tmpl docbook. Can you please coordinate with Libin
on that?

Thanks, Daniel

> +	} *audio_ops;
>  };
>  
>  #endif /* _I915_COMPONENT_H_ */
> -- 
> 1.9.1
> 
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> Intel-gfx at lists.freedesktop.org
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch