On Wed, 02 Sep 2015, libin.y...@intel.com wrote:
> From: Libin Yang
>
> Add the sync_audio_rate callback.
>
> With the callback, audio driver can trigger
> i915 driver to set the proper N/CTS or N/M
> based on different sample rates.
>
> Signed-off-by: Libin Yang
Reviewed-by: Jani Nikula
> ---
> include/drm/i915_component.h | 7 +++
> 1 file changed, 7 insertions(+)
>
> diff --git a/include/drm/i915_component.h b/include/drm/i915_component.h
> index c9a8b64..8ad6f1b 100644
> --- a/include/drm/i915_component.h
> +++ b/include/drm/i915_component.h
> @@ -33,6 +33,13 @@ struct i915_audio_component {
> void (*put_power)(struct device *);
> void (*codec_wake_override)(struct device *, bool enable);
> int (*get_cdclk_freq)(struct device *);
> + /**
> + * @sync_audio_rate: set n/cts based on the sample rate
> + *
> + * Called from audio driver. After audio driver sets the
> + * sample rate, it will call this function to set n/cts
> + */
> + int (*sync_audio_rate)(struct device *, int port, int rate);
> } *ops;
> };
>
> --
> 1.9.1
>
--
Jani Nikula, Intel Open Source Technology Center
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