[coreboot-gerrit] Change in coreboot[master]: mb/google/volteer/var/terrador: Support ELAN i2c-hid touchpad

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/43509 )

Change subject: mb/google/volteer/var/terrador: Support ELAN i2c-hid touchpad
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mb/google/volteer/var/terrador: Support ELAN i2c-hid touchpad

Update ELAN i2c-hid touchpad configuration

BUG=b:160741785
BRANCH=None
TEST=Verify touchpad is working fine.

Signed-off-by: David Wu 
Change-Id: I098d8a305c6e04af1562a545ff4af6383665798b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43509
Tested-by: build bot (Jenkins) 
Reviewed-by: Caveh Jalali 
---
M src/mainboard/google/volteer/variants/terrador/overridetree.cb
1 file changed, 7 insertions(+), 6 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  David Wu: Looks good to me, but someone else must approve
  Caveh Jalali: Looks good to me, approved

diff --git a/src/mainboard/google/volteer/variants/terrador/overridetree.cb b/src/mainboard/google/volteer/variants/terrador/overridetree.cb
index c1c386a..8c0fb38 100644
--- a/src/mainboard/google/volteer/variants/terrador/overridetree.cb
+++ b/src/mainboard/google/volteer/variants/terrador/overridetree.cb
@@ -117,12 +117,13 @@
    		end
    	end # I2C2				0xA0EA
    	device pci 19.1 on
-			chip drivers/i2c/generic
-				register "hid" = ""ELAN0000""
-				register "desc" = ""ELAN Touchpad""
-				register "irq" = "ACPI_IRQ_WAKE_LEVEL_LOW(GPP_E15_IRQ)"
-				register "wake" = "GPE0_DW2_15"
-				register "probed" = "1"
+			chip drivers/i2c/hid
+				register "generic.hid" = ""ELAN2700""
+				register "generic.desc" = ""ELAN Touchpad""
+				register "generic.irq" = "ACPI_IRQ_WAKE_EDGE_LOW(GPP_E15_IRQ)"
+				register "generic.wake" = "GPE0_DW2_15"
+				register "generic.probed" = "1"
+				register "hid_desc_reg_offset" = "0x01"
    			device i2c 15 on end
    		end
    	end # I2C5				0xA0C6