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authorCaveh Jalali <caveh@chromium.org>2020-08-06 00:55:40 -0700
committerPatrick Georgi <pgeorgi@google.com>2020-08-17 06:39:23 +0000
commiteb9337c9cc2fd5432d79509174efdcf6bbcf9a01 (patch)
tree68f0dba88f6bfd9076f52a7c4e03b90099c541f2 /.checkpatch.conf
parentac66bda47c2006e0dea02ad988572e35e98b80ff (diff)
mb/google/volteer: Define stop_gpio for goodix touch screen
This applies to the goodix touch screen on both the volteer and volteer2 variants: Define GPP_E3 as the stop_gpio for the touch screen "Report_Switch" signal. Goodix defines a 1ms (minimum) delay after stop off. In addition, no longer drive this GPIO high by default as it is now controlled by the kernel through ACPI. BUG=b:153705232 TEST=touch screen still functional on volteer; confirmed timings with scope (VDD, RESET, REPORT_SWITCH) Change-Id: I3ead9cf79812d08c4917be4585ed273050465a9b Signed-off-by: Caveh Jalali <caveh@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/44356 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
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