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| author | Yilun Lin <yllin@google.com> | 2019-05-28 18:24:50 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2019-06-03 17:18:30 -0700 |
| commit | 0036edd5f4f4215a2a8ed3c13a6c82ad0fc1f39f (patch) | |
| tree | d71afe0b6e60a2161018b592991ccfafcd3fed31 | |
| parent | 2f8b5e86453449c729c1e61262b50467ec29ed33 (diff) | |
| download | chrome-ec-0036edd5f4f4215a2a8ed3c13a6c82ad0fc1f39f.tar.gz | |
krane: Enable display bias settings.
Krane's display bias is controlled by mt6370.
Adjust the settings according to the panel which krane uses.
Also, discharge VNEG/VPOS when the rails are disabled.
TEST=i2cxfer r 0 0x68 0xb1; see output 0x36
i2xcfer r 0 0x68 0xb2; see output 0x68
i2xcfer r 0 0x68 0xb3; see output 0x64
i2xcfer r 0 0x68 0xb4; see output 0x64
BUG=b:125644770
BRANCH=None
Change-Id: Ifdda9c9ccc2486009179cbc94cfbf79cb4d04926
Signed-off-by: Yilun Lin <yllin@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1632132
Commit-Ready: Yilun Lin <yllin@chromium.org>
Tested-by: Yilun Lin <yllin@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Ting Shen <phoenixshen@chromium.org>
Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
| -rw-r--r-- | board/kukui/board.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/board/kukui/board.c b/board/kukui/board.c index 29263859e8..4341a1a0f2 100644 --- a/board/kukui/board.c +++ b/board/kukui/board.c @@ -241,6 +241,10 @@ static void board_init(void) /* Enable pogo interrupt */ gpio_enable_interrupt(GPIO_POGO_ADC_INT_L); + + if (IS_ENABLED(BOARD_KRANE)) + /* Display bias settings. */ + mt6370_db_set_voltages(6000, 5800, 5800); } DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); |