diff options
| author | matt_wang <matt_wang@compal.corp-partner.google.com> | 2019-02-13 20:59:23 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2019-02-26 16:49:14 -0800 |
| commit | c2c2776e3a5ee68a1d2a2bab09635692418db998 (patch) | |
| tree | 6c8b4676216febe6fa2185a3b5c5e38e3f2d599f /include/battery_fuel_gauge.h | |
| parent | 219b09e87f61ffb410fe1a1dbaed4983460fefb4 (diff) | |
| download | chrome-ec-c2c2776e3a5ee68a1d2a2bab09635692418db998.tar.gz | |
Battery: add support battery-cutoff SMBus block write function
Implements battery-cutoff SMBus write block function
BUG=b:122944526
BRANCH=None
TEST=Verify battery cuff on fleex via SMBus block write.
Change-Id: Ib52146cd3042c4a6d2dbafadd430591936230891
Signed-off-by: matt_wang <matt_wang@compal.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/1470462
Commit-Ready: Justin TerAvest <teravest@chromium.org>
Tested-by: Justin TerAvest <teravest@chromium.org>
Tested-by: Elmo Lan <elmo_lan@compal.corp-partner.google.com>
Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-by: Jett Rink <jettrink@chromium.org>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Reviewed-by: Elmo Lan <elmo_lan@compal.corp-partner.google.com>
Diffstat (limited to 'include/battery_fuel_gauge.h')
| -rw-r--r-- | include/battery_fuel_gauge.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/battery_fuel_gauge.h b/include/battery_fuel_gauge.h index 9c3b0b12da..d610b7e417 100644 --- a/include/battery_fuel_gauge.h +++ b/include/battery_fuel_gauge.h @@ -14,6 +14,13 @@ #define SHIP_MODE_WRITES 2 struct ship_mode_info { + /* + * Write Block Support. If wb_support is true, then we use a i2c write + * block command instead of a 16-bit write. The effective difference is + * that the i2c transaction will prefix the length (2) when wb_support + * is enabled. + */ + const uint8_t wb_support; const uint8_t reg_addr; const uint16_t reg_data[SHIP_MODE_WRITES]; }; @@ -61,4 +68,20 @@ int battery_bq4050_imbalance_mv(void); #endif +/** + * Battery cut off command via SMBus write block. + * + * @param ship_mode Battery ship mode information + * @return non-zero if error + */ +int cut_off_battery_block_write(const struct ship_mode_info *ship_mode); + +/** + * Battery cut off command via SMBus write word. + * + * @param ship_mode Battery ship mode information + * @return non-zero if error + */ +int cut_off_battery_sb_write(const struct ship_mode_info *ship_mode); + #endif /* __CROS_EC_BATTERY_FUEL_GAUGE_H */ |