drm/i915: implement sync_audio_rate callback

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HDMI audio may not work at some frequencies
with the HW provided N/CTS.

This patch sets the proper N value for the
given audio sample rate at the impacted frequencies.
At other frequencies, it will use the N/CTS value
which HW provides.

Signed-off-by: Libin Yang <libin.yang@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Libin Yang 2015-09-02 14:11:39 +08:00 • committed by Takashi Iwai

parent 5334240c30

commit 4a21ef7d1d

3 changed files with 144 additions and 0 deletions

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1

drivers/gpu/drm/i915/i915_dma.c

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5

drivers/gpu/drm/i915/i915_drv.h

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138

drivers/gpu/drm/i915/intel_audio.c

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