diff options
Diffstat (limited to 'driver')
| -rw-r--r-- | driver/battery/smart.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/driver/battery/smart.c b/driver/battery/smart.c index 758a60f546..f06da84e9f 100644 --- a/driver/battery/smart.c +++ b/driver/battery/smart.c @@ -108,6 +108,21 @@ int sb_read_mfgacc(int cmd, int block, uint8_t *data, int len) return EC_SUCCESS; } +int sb_write_block(int reg, const uint8_t *val, int len) +{ +#ifdef CONFIG_BATTERY_CUT_OFF + /* + * Some batteries would wake up after cut-off if we talk to it. + */ + if (battery_is_cut_off()) + return EC_RES_ACCESS_DENIED; +#endif + + /* TODO: implement smbus_write_block. */ + return i2c_write_block(I2C_PORT_BATTERY, BATTERY_ADDR, reg, val, len); + +} + int battery_get_mode(int *mode) { return sb_read(SB_BATTERY_MODE, mode); |