From: Libin Yang <libin.yang@xxxxxxxxx>
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@xxxxxxxxx>
---
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
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