[coreboot-gerrit] Change in coreboot[master]: mb/google/volteer: Modify touchscreen IRQ to level trigger

[Furquan Shaikh (Code Review)]

Furquan Shaikh has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/46830 )

Change subject: mb/google/volteer: Modify touchscreen IRQ to level trigger
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Patch Set 3:

(1 comment)

https://review.coreboot.org/c/coreboot/+/46830/3/src/mainboard/google/voltee... 
File src/mainboard/google/volteer/variants/volteer2/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/46830/3/src/mainboard/google/voltee... 
PS3, Line 122: ACPI_IRQ_LEVEL_LOW
It is still not clear to me if this change is correct. The device actually uses edge-triggered interrupts. Is this correct?

If yes, then I think we should identify if there are pulses shorter than 100us and fix that in the touchscreen firmware. Please see my comment on the partner issue.