diff options
| author | Vic Yang <victoryang@chromium.org> | 2012-07-08 10:57:25 +0800 |
|---|---|---|
| committer | Gerrit <chrome-bot@google.com> | 2012-07-08 00:36:49 -0700 |
| commit | e4df521df5c661a5c63a96dce9363be76f9377ca (patch) | |
| tree | 63aac03d54a875ee736159304819f84e73cee401 | |
| parent | 1e8e8cd6aac846ab88aa1597f3cb21604eef207d (diff) | |
| download | chrome-ec-e4df521df5c661a5c63a96dce9363be76f9377ca.tar.gz | |
Lower I2C frequency to meet spec
For I2C bus connected to PCH, clock frequency must not exceed 100KHz.
Lower temp sensor I2C bus to meet PCH spec.
BUG=chrome-os-partner:9928
TEST=Still able to read I2C temperature sensors.
Change-Id: Idec66d9124f61dc12e763561e0364c9ddb9ffeb0
Reviewed-on: https://gerrit.chromium.org/gerrit/26884
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Commit-Ready: Vic Yang <victoryang@chromium.org>
Tested-by: Vic Yang <victoryang@chromium.org>
| -rw-r--r-- | board/link/board.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/board/link/board.c b/board/link/board.c index 2a39e76eab..60f906955e 100644 --- a/board/link/board.c +++ b/board/link/board.c @@ -137,8 +137,7 @@ const struct i2c_port_t i2c_ports[I2C_PORTS_USED] = { * this list so we don't double-initialize it. */ {"batt_chg", I2C_PORT_BATTERY, 100}, {"lightbar", I2C_PORT_LIGHTBAR, 400}, - /* TODO: TMP007 supports 3.4Mbps operation; use faster speed? */ - {"thermal", I2C_PORT_THERMAL, 400}, + {"thermal", I2C_PORT_THERMAL, 100}, }; void configure_board(void) |