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author | YongBeum.Ha <ybha@samsung.corp-partner.google.com> | 2021-12-01 10:11:40 +0900 |
---|---|---|
committer | Commit Bot <commit-bot@chromium.org> | 2021-12-02 03:03:33 +0000 |
commit | 84fdf0ddddbd78eabe2fad28627ab0206e403248 (patch) | |
tree | 37432423646467210b2701eccff4ff8206fcb2b3 | |
parent | ed1918920e2d967fd2b6d7161bdf9900fdcce46b (diff) | |
download | chrome-ec-84fdf0ddddbd78eabe2fad28627ab0206e403248.tar.gz |
bugzzy : change LCD MAX current setting on MP3372
In order to meet the specification of LCD brightness,
it is necessary to set the current value of the LCD controller.
BUG=b:202344727
BRANCH=None
TEST=make -j BOARD=bugzzy
Signed-off-by: YongBeum.Ha <ybha@samsung.corp-partner.google.com>
Change-Id: I3299707fdb653cd1c28494781307972ee750c6b1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3306770
Reviewed-by: Henry Sun <henrysun@google.com>
Commit-Queue: Henry Sun <henrysun@google.com>
-rw-r--r-- | board/bugzzy/board.c | 2 | ||||
-rw-r--r-- | board/bugzzy/board.h | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/board/bugzzy/board.c b/board/bugzzy/board.c index 16e19aa6a0..41c5420436 100644 --- a/board/bugzzy/board.c +++ b/board/bugzzy/board.c @@ -926,7 +926,7 @@ void backlit_gpio_tick(void) if (board_id >= 4 && signal == 1) i2c_write16(I2C_PORT_LCD, I2C_ADDR_MP3372_FLAGS, MP3372_REG_ISET_CHEN, - MP3372_ISET_19P4_CHEN_ALL); + MP3372_ISET_15P8_CHEN_ALL); } DECLARE_HOOK(HOOK_TICK, backlit_gpio_tick, HOOK_PRIO_DEFAULT); diff --git a/board/bugzzy/board.h b/board/bugzzy/board.h index 9b9f6cf015..e27826e173 100644 --- a/board/bugzzy/board.h +++ b/board/bugzzy/board.h @@ -147,6 +147,8 @@ #define MP3372_REG_ISET_CHEN 0x00 #define MP3372_ISET_21P8_CHEN_ALL 0x70ff #define MP3372_ISET_19P4_CHEN_ALL 0x63ff +#define MP3372_ISET_18P0_CHEN_ALL 0x5cff +#define MP3372_ISET_15P8_CHEN_ALL 0x50ff /* * I2C pin names for baseboard * |