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When audio power domain is suspended, the display driver must save state of AUD_FREQ_CNTRL on Tiger Lake and Ice Lake systems. The initial value of the register is set by BIOS and is read by driver during the audio component init sequence. Cc: Jani Nikula <jani.nikula@intel.com> Cc: Imre Deak <imre.deak@intel.com> Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190920083918.27057-1-kai.vehmanen@linux.intel.com |
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