mb/google/drallion: Turn off HDMI power when enter s0ix and S5
Turn off HDMI power when enter s0ix and S5. BUG=b:143057255 BRANCH=N/A TEST=Measure the power on GPP_E16 under s0ix and S5 Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com> Change-Id: I580e6094d48663d5c208fd82c7744485d899bcc1 Reviewed-on: https://review.coreboot.org/c/coreboot/+/36224 Reviewed-by: Mathew King <mathewk@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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@ -15,6 +15,7 @@
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#define CAM_EN GPP_B11 /* Active low */
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#define TS_PD GPP_E7
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#define HDMI_PD GPP_E16
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/* Method called from LPIT prior to enter s0ix state */
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Method (MS0X, 1)
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@ -22,9 +23,13 @@ Method (MS0X, 1)
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If (Arg0) {
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/* Turn off camera power */
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\_SB.PCI0.STXS (CAM_EN)
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/* Turn off HDMI power */
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\_SB.PCI0.CTXS (HDMI_PD)
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} Else {
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/* Turn on camera power */
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\_SB.PCI0.CTXS (CAM_EN)
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/* Turn on HDMI power */
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\_SB.PCI0.STXS (HDMI_PD)
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}
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}
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@ -35,6 +40,8 @@ Method (MPTS, 1)
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/* Clear touch screen pd pin to avoid leakage */
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\_SB.PCI0.CTXS (TS_PD)
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/* Clear HDMI power to avoid leakage */
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\_SB.PCI0.CTXS (HDMI_PD)
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}
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/* Method called from _WAK prior to wakeup */
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