diff options
| author | Daisuke Nojiri <dnojiri@chromium.org> | 2022-03-09 18:16:08 +0000 |
|---|---|---|
| committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2022-04-21 17:34:45 +0000 |
| commit | 4b672f3e938678ec184735fa05958e68de20ed2f (patch) | |
| tree | e20f32f57daca1cdc534c94276c5c819ab423fd2 /include | |
| parent | b8bd278b08f566d1e6347953c42c93f48290511b (diff) | |
| download | chrome-ec-4b672f3e938678ec184735fa05958e68de20ed2f.tar.gz | |
chgstv2: Add bypass mode for ISL9241
This patch adds bypass mode support to the charger interface and
implement it for ISL9241.
The bypass mode routes the input current from AC directly to the system
power rail for efficiency. Enabling or disabling is done by the
charger task.
BUG=b:214057333, b:216206104
BRANCH=None
TEST=On Agah.
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Change-Id: I951393b0e0026de795ce930e8fdeb9018d57b84e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3519879
Tested-by: Zick Wei <zick.wei@quanta.corp-partner.google.com>
Reviewed-by: Zhuohao Lee <zhuohao@chromium.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/charger.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/charger.h b/include/charger.h index bc2b66eac2..66130ce3a5 100644 --- a/include/charger.h +++ b/include/charger.h @@ -136,6 +136,14 @@ struct charger_drv { /* Enable/disable linear charging */ enum ec_error_list (*enable_linear_charge)(int chgnum, bool enable); + /* + * Enable/disable bypass mode + * + * Callers are responsible for checking required conditions beforehand. + * (e.g supplier == CHARGE_SUPPLIER_DEDICATED, 20 V < input_voltage) + */ + enum ec_error_list (*enable_bypass_mode)(int chgnum, bool enable); + /* Dumps charger registers */ void (*dump_registers)(int chgnum); }; @@ -364,6 +372,18 @@ enum ec_error_list charger_is_icl_reached(int chgnum, bool *reached); */ enum ec_error_list charger_enable_linear_charge(int chgnum, bool enable); +/** + * Enable/disable bypass mode + * + * Bypass mode allows AC power to be supplied directly to the system rail + * instead of going through the charger. + * + * @param chgnum: Active charge port + * @param enable: Whether to enable or disable bypass mode. + * @return EC_SUCCESS on success, error otherwise. + */ +enum ec_error_list charger_enable_bypass_mode(int chgnum, int enable); + /* * Print all charger info for debugging purposes * @param chgnum: charger IC index. |