[Bug 91410] [BDW][Audio][HD-A Display] DP/HDMI audio playback abnormal

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91410

--- Comment #34 from Takashi Iwai <tiwai at suse.de> ---
(In reply to Jim Bride from comment #32)
> The audio team needs to modify hdac_hdmi_eld_notify_cb() in their driver to
> query CDCLK and update their M/N registers appropriately.

hdac_hdmi_eld_notify_cb() is ASoC SKL driver, so it must be irrelevant.  The
relevant code is in patch_hdmi.c for legacy HDA driver.

I cooked up a patch quickly.  The untested patch is attached below.  Let me
know if it works.

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