| Message ID | 1441174301-144177-1-git-send-email-libin.yang@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wed, 02 Sep 2015, libin.yang@intel.com wrote: > From: Libin Yang <libin.yang@intel.com> > > 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 <libin.yang@intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> > --- > 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 >
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; };