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| author | Aseda Aboagye <aaboagye@google.com> | 2020-08-21 15:31:52 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-08-26 04:47:39 +0000 |
| commit | e909c5a3f0b0c8f8fcba470878170f3d3195d9b1 (patch) | |
| tree | 626cb360ee4f4d1da9439e3da0c35d8e42ce70d3 /include/battery_fuel_gauge.h | |
| parent | ff52ee7e2da9dd76499007a6b541c3fdc093aa02 (diff) | |
| download | chrome-ec-e909c5a3f0b0c8f8fcba470878170f3d3195d9b1.tar.gz | |
battery_fuel_gauge: Add check for CFET status
This commit adds a function that allows the system to check the
if the charge FET (CFET) is disabled or not.
BUG=b:160918663
BRANCH=None
TEST=Build and flash waddledee; cutoff battery, revive system, verify
that "found batt in disconnect" statements are still found.
TEST=Add other code, verify that CFET status is able to be retrieved.
Signed-off-by: Aseda Aboagye <aaboagye@google.com>
Change-Id: I899070e50a38499708a367bba6b5f502b0232672
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2368071
Reviewed-by: Diana Z <dzigterman@chromium.org>
Commit-Queue: Aseda Aboagye <aaboagye@chromium.org>
Tested-by: Aseda Aboagye <aaboagye@chromium.org>
Auto-Submit: Aseda Aboagye <aaboagye@chromium.org>
Diffstat (limited to 'include/battery_fuel_gauge.h')
| -rw-r--r-- | include/battery_fuel_gauge.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/battery_fuel_gauge.h b/include/battery_fuel_gauge.h index d610b7e417..8b1b7106bd 100644 --- a/include/battery_fuel_gauge.h +++ b/include/battery_fuel_gauge.h @@ -30,6 +30,8 @@ struct fet_info { const uint8_t reg_addr; const uint16_t reg_mask; const uint16_t disconnect_val; + const uint16_t cfet_mask; /* CHG FET status mask */ + const uint16_t cfet_off_val; }; struct fuel_gauge_info { @@ -69,6 +71,12 @@ int battery_bq4050_imbalance_mv(void); #endif /** + * Return 1 if CFET is disabled, 0 if enabled. -1 if an error was encountered. + * If the CFET mask is not defined, it will return 0. + */ +int battery_is_charge_fet_disabled(void); + +/** * Battery cut off command via SMBus write block. * * @param ship_mode Battery ship mode information |