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| author | Ryan Zhang <ryan.zhang@quanta.corp-partner.google.com> | 2018-12-22 16:45:22 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2019-01-08 08:26:32 -0800 |
| commit | 24a2d84b99b241c33b975ea42e071bf30cd6d222 (patch) | |
| tree | 82dd4afbbfebd88078b267e48e0f7e063e09c17a | |
| parent | 90d177e3f0ae729bea7e24934a3c6ef9f2520d45 (diff) | |
| download | chrome-ec-24a2d84b99b241c33b975ea42e071bf30cd6d222.tar.gz | |
Karma: add EDID enable pin.
EC_EDID_WRITE_EN_L is used as EDID write protect.
HIGH: not able to write EDID
LOW : able to write EDID
BUG=b:118656999
BRANCH=master
TEST=`ectool gpioset EC_PANEL_EDID_WRITE_EN_L 0` can write EDID
`ectool gpioset EC_PANEL_EDID_WRITE_EN_L 1` can not write EDID
Change-Id: Ide7d6650544fae7f6abd06ab8653e3053362687f
Reviewed-on: https://chromium-review.googlesource.com/1389976
Commit-Ready: Ryan Zhang <ryan.zhang@quanta.corp-partner.google.com>
Tested-by: Ryan Zhang <ryan.zhang@quanta.corp-partner.google.com>
Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-by: Zhuohao Lee <zhuohao@chromium.org>
| -rw-r--r-- | board/karma/gpio.inc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/board/karma/gpio.inc b/board/karma/gpio.inc index 30fa69034e..57164e9227 100644 --- a/board/karma/gpio.inc +++ b/board/karma/gpio.inc @@ -78,13 +78,13 @@ GPIO(USB_A_CHARGE_EN_L, PIN(A, 5), GPIO_OUT_LOW) GPIO(CEC_OUT, PIN(3, 6), GPIO_OUT_HIGH | GPIO_OPEN_DRAIN) GPIO(CEC_IN, PIN(4, 0), GPIO_INPUT) GPIO(CEC_PULL_UP, PIN(D, 3), GPIO_OUT_HIGH) +GPIO(EC_EDID_WRITE_EN_L, PIN(C, 3), GPIO_OUT_HIGH) /* LOW to write EDID */ /* Speaker */ GPIO(SPKR5, PIN(C, 2), GPIO_INPUT) /* No function */ /* Test points */ GPIO(TP48, PIN(B, 1), GPIO_INPUT) -GPIO(TP52, PIN(C, 3), GPIO_INPUT) GPIO(TP121, PIN(3, 3), GPIO_INPUT) GPIO(TP123, PIN(C, 5), GPIO_INPUT) GPIO(TP127, PIN(6, 6), GPIO_INPUT) |