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| author | David Huang <David.Huang@quantatw.com> | 2016-04-21 19:43:32 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-04-21 19:46:41 -0700 |
| commit | 4f0ab3118496b9c4dc74df9e1d62f82d0f0db9f1 (patch) | |
| tree | 9f0ae5a726520455bc387858d40c905d75fb46d0 /board/elm | |
| parent | c65700730d07dfd6813b5c74c6bbece218d8c3d7 (diff) | |
| download | chrome-ec-4f0ab3118496b9c4dc74df9e1d62f82d0f0db9f1.tar.gz | |
elm: Modify battery cutoff command
Modify battery cutoff command for EVT
BRANCH=elm
BUG=chrome-os-partner:52548
TEST=Use "ectool batterycutoff" to check battery enter shipmode.
Change-Id: Ia0c620f95d6e94ec658f92c5b56cbab3ae964848
Signed-off-by: David Huang <David.Huang@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/340168
Commit-Ready: 志偉 黃 <David.Huang@quantatw.com>
Tested-by: Koro Chen <koro.chen@mediatek.com>
Reviewed-by: Shawn N <shawnn@chromium.org>
Diffstat (limited to 'board/elm')
| -rw-r--r-- | board/elm/battery.c | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/board/elm/battery.c b/board/elm/battery.c index da1359440a..4be0462efd 100644 --- a/board/elm/battery.c +++ b/board/elm/battery.c @@ -7,12 +7,11 @@ #include "battery.h" #include "battery_smart.h" -#include "i2c.h" #include "util.h" /* Shutdown mode parameter to write to manufacturer access register */ -#define PARAM_CUT_OFF_LOW 0x10 -#define PARAM_CUT_OFF_HIGH 0x00 +#define SB_SHIP_MODE_REG 0x3a +#define SB_SHUTDOWN_DATA 0xC574 static const struct battery_info info = { .voltage_max = 13050, @@ -39,27 +38,15 @@ const struct battery_info *battery_get_info(void) return &info; } -static int cutoff(void) +int board_cut_off_battery(void) { int rv; - uint8_t buf[3]; /* Ship mode command must be sent twice to take effect */ - buf[0] = SB_MANUFACTURER_ACCESS & 0xff; - buf[1] = PARAM_CUT_OFF_LOW; - buf[2] = PARAM_CUT_OFF_HIGH; - - i2c_lock(I2C_PORT_BATTERY, 1); - rv = i2c_xfer(I2C_PORT_BATTERY, BATTERY_ADDR, buf, 3, NULL, 0, - I2C_XFER_SINGLE); - rv |= i2c_xfer(I2C_PORT_BATTERY, BATTERY_ADDR, buf, 3, NULL, 0, - I2C_XFER_SINGLE); - i2c_lock(I2C_PORT_BATTERY, 0); + rv = sb_write(SB_SHIP_MODE_REG, SB_SHUTDOWN_DATA); - return rv; -} + if (rv != EC_SUCCESS) + return rv; -int board_cut_off_battery(void) -{ - return cutoff(); + return sb_write(SB_SHIP_MODE_REG, SB_SHUTDOWN_DATA); } |