Change in coreboot[master]: mb/google/volteer/variant/lindar: Modify ELAN touch screen IRQ trigge...

[Tim Wawrzynczak (Code Review)]

Tim Wawrzynczak has submitted this change. ( https://review.coreboot.org/c/coreboot/+/52698 )

Change subject: mb/google/volteer/variant/lindar: Modify ELAN touch screen IRQ trigger method
......................................................................

mb/google/volteer/variant/lindar: Modify ELAN touch screen IRQ trigger method

According to SED team provided ELAN touch screen SPEC. IRQ trigger
method need set with level trigger, that modify IRQ trigger to level
from edge.

BUG=b:174972088
TEST=Build FW and boot to OS and check with test result.

Signed-off-by: Kevin Chang 
Change-Id: I9237d9aad6166a5754afe464ce8453129a58d283
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52698
Tested-by: build bot (Jenkins) 
Reviewed-by: Zhuohao Lee 
Reviewed-by: Tim Wawrzynczak 
Reviewed-by: Nick Vaccaro 
---
M src/mainboard/google/volteer/variants/lindar/overridetree.cb
1 file changed, 1 insertion(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  Nick Vaccaro: Looks good to me, approved
  Zhuohao Lee: Looks good to me, but someone else must approve
  Tim Wawrzynczak: Looks good to me, approved

diff --git a/src/mainboard/google/volteer/variants/lindar/overridetree.cb b/src/mainboard/google/volteer/variants/lindar/overridetree.cb
index a1010d2..5edd6db 100644
--- a/src/mainboard/google/volteer/variants/lindar/overridetree.cb
+++ b/src/mainboard/google/volteer/variants/lindar/overridetree.cb
@@ -239,7 +239,7 @@
    		chip drivers/i2c/generic
    			register "hid" = ""ELAN0001""
    			register "desc" = ""ELAN Touchscreen""
-				register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_E7_IRQ)"
+				register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E7_IRQ)"
    			register "probed" = "1"
    			register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C10)"
    			register "reset_delay_ms" = "20"