Change in coreboot[master]: mb/google/poppy: Tell front sensor driver not to power it on during p...

[Sakari Ailus (Code Review)]

Sakari Ailus has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/51098 )

Change subject: mb/google/poppy: Tell front sensor driver not to power it on during probe
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mb/google/poppy: Tell front sensor driver not to power it on during probe

Use _DSC object to tell the driver of the front sensor to keep the device
in D3cold state during probe. As powering on the sensor will briefly
lit the privacy LED, the side effect of this patch is also that the LED
remains powered off during the entire boot process.

Signed-off-by: Sakari Ailus 
Change-Id: I349aaff974f68dd3020bc1dfc9c9204a9bb5b774
---
M src/mainboard/google/poppy/variants/baseboard/include/baseboard/acpi/cam1.asl
1 file changed, 5 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/98/51098/1

diff --git a/src/mainboard/google/poppy/variants/baseboard/include/baseboard/acpi/cam1.asl b/src/mainboard/google/poppy/variants/baseboard/include/baseboard/acpi/cam1.asl
index c41ebca..e2fa9ce 100644
--- a/src/mainboard/google/poppy/variants/baseboard/include/baseboard/acpi/cam1.asl
+++ b/src/mainboard/google/poppy/variants/baseboard/include/baseboard/acpi/cam1.asl
@@ -23,6 +23,11 @@
    		)
    	})

+		Method (_DSC, 0, NotSerialized)
+		{
+			Return (0x4)
+		}
+
    	Name (_PR0, Package () {^^I2C2.PMIC.OVCM, ^^I2C2.PMIC.OVFI})
    	Name (_PR3, Package () {^^I2C2.PMIC.OVCM, ^^I2C2.PMIC.OVFI})