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-rw-r--r--src/mainboard/google/reef/devicetree.cb5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mainboard/google/reef/devicetree.cb b/src/mainboard/google/reef/devicetree.cb
index 9a7c2d17b3..2ac20de2dc 100644
--- a/src/mainboard/google/reef/devicetree.cb
+++ b/src/mainboard/google/reef/devicetree.cb
@@ -38,6 +38,11 @@ chip soc/intel/apollolake
# Enable DPTF
register "dptf_enable" = "1"
+ # Enable Audio Clock and Power gating
+ register "hdaudio_clk_gate_enable" = "1"
+ register "hdaudio_pwr_gate_enable" = "1"
+ register "hdaudio_bios_config_lockdown" = "1"
+
# GPE configuration
# Note that GPE events called out in ASL code rely on this
# route, i.e., if this route changes then the affected GPE