diff options
Diffstat (limited to 'board/spring/battery.c')
| -rw-r--r-- | board/spring/battery.c | 35 |
1 files changed, 11 insertions, 24 deletions
diff --git a/board/spring/battery.c b/board/spring/battery.c index f8d88a84d2..246552786e 100644 --- a/board/spring/battery.c +++ b/board/spring/battery.c @@ -7,12 +7,9 @@ #include "battery.h" #include "battery_smart.h" -#include "host_command.h" -#include "i2c.h" -#include "util.h" -#define PARAM_CUT_OFF_LOW 0x10 -#define PARAM_CUT_OFF_HIGH 0x00 +/* Shutdown mode parameter to write to manufacturer access register */ +#define SB_SHUTDOWN_DATA 0x0010 /* Battery temperature ranges in degrees C */ static const struct battery_info info = { @@ -29,25 +26,15 @@ const struct battery_info *battery_get_info(void) return &info; } -int battery_command_cut_off(struct host_cmd_handler_args *args) +int board_cut_off_battery(void) { int rv; - uint8_t buf[3]; - - 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); - - if (rv) - return EC_RES_ERROR; - return EC_RES_SUCCESS; + + /* Ship mode command must be sent twice to take effect */ + rv = sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA); + + if (rv != EC_SUCCESS) + return rv; + + return sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA); } -DECLARE_HOST_COMMAND(EC_CMD_BATTERY_CUT_OFF, battery_command_cut_off, - EC_VER_MASK(0)); |