diff --git a/common/battery_spring.c b/common/battery_spring.c index 28baf58c33..4604671b8e 100644 --- a/common/battery_spring.c +++ b/common/battery_spring.c @@ -6,15 +6,31 @@ */ #include "host_command.h" +#include "i2c.h" #include "smart_battery.h" +#include "util.h" -#define PARAM_CUT_OFF 0x0010 +#define PARAM_CUT_OFF_LOW 0x10 +#define PARAM_CUT_OFF_HIGH 0x00 int battery_command_cut_off(struct host_cmd_handler_args *args) { - sb_write(SB_MANUFACTURER_ACCESS, PARAM_CUT_OFF); - sb_write(SB_MANUFACTURER_ACCESS, PARAM_CUT_OFF); + 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; } DECLARE_HOST_COMMAND(EC_CMD_BATTERY_CUT_OFF, battery_command_cut_off,