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| author | Eric Lai <ericr_lai@compal.corp-partner.google.com> | 2019-10-22 12:17:05 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-10-31 10:37:38 +0000 |
| commit | f185779a89b04e95c019e1f92e8e9e269a6af9ca (patch) | |
| tree | 167431dbfc3e8629447f88b64ee1927456bf1641 | |
| parent | 1966b5c800319dff48995e19c6f6624c23295602 (diff) | |
| download | coreboot-f185779a89b04e95c019e1f92e8e9e269a6af9ca.tar.xz | |
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>
| -rw-r--r-- | src/mainboard/google/drallion/variants/drallion/include/variant/acpi/mainboard.asl | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mainboard/google/drallion/variants/drallion/include/variant/acpi/mainboard.asl b/src/mainboard/google/drallion/variants/drallion/include/variant/acpi/mainboard.asl index 41121d28fe..dbe487e8ac 100644 --- a/src/mainboard/google/drallion/variants/drallion/include/variant/acpi/mainboard.asl +++ b/src/mainboard/google/drallion/variants/drallion/include/variant/acpi/mainboard.asl @@ -15,6 +15,7 @@ #define CAM_EN GPP_B11 /* Active low */ #define TS_PD GPP_E7 +#define HDMI_PD GPP_E16 /* Method called from LPIT prior to enter s0ix state */ Method (MS0X, 1) @@ -22,9 +23,13 @@ Method (MS0X, 1) If (Arg0) { /* Turn off camera power */ \_SB.PCI0.STXS (CAM_EN) + /* Turn off HDMI power */ + \_SB.PCI0.CTXS (HDMI_PD) } Else { /* Turn on camera power */ \_SB.PCI0.CTXS (CAM_EN) + /* Turn on HDMI power */ + \_SB.PCI0.STXS (HDMI_PD) } } @@ -35,6 +40,8 @@ Method (MPTS, 1) /* Clear touch screen pd pin to avoid leakage */ \_SB.PCI0.CTXS (TS_PD) + /* Clear HDMI power to avoid leakage */ + \_SB.PCI0.CTXS (HDMI_PD) } /* Method called from _WAK prior to wakeup */ |