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| author | Aseda Aboagye <aaboagye@google.com> | 2020-12-01 16:02:32 -0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-12-10 00:47:15 +0000 |
| commit | 32892ef493fc4be12b24d90f753b8c89d4d9dfb8 (patch) | |
| tree | 5b8f0ebd781b2888acd0c7639cce328d62a23aa0 /driver/charger/sm5803.c | |
| parent | 8ec0b306daa502ed9bd035587e1cebb877bbc9da (diff) | |
| download | chrome-ec-32892ef493fc4be12b24d90f753b8c89d4d9dfb8.tar.gz | |
sm5803: Add is_icl_reached method
The SM5803A has a more precise and faster way to determine if the
input current limit is being reached. This commit registers that
method with the common charger driver framework for use by the system.
BUG=b:174167890
BRANCH=dedede
TEST=`make -j buildall`
Signed-off-by: Aseda Aboagye <aaboagye@google.com>
Change-Id: I5f96e86f37294b6cbd4bcc57827bd0ffa845b7da
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2568564
Commit-Queue: Aseda Aboagye <aaboagye@chromium.org>
Tested-by: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-by: Diana Z <dzigterman@chromium.org>
Diffstat (limited to 'driver/charger/sm5803.c')
| -rw-r--r-- | driver/charger/sm5803.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/driver/charger/sm5803.c b/driver/charger/sm5803.c index 541499b256..525492f47c 100644 --- a/driver/charger/sm5803.c +++ b/driver/charger/sm5803.c @@ -14,6 +14,7 @@ #include "i2c.h" #include "sm5803.h" #include "system.h" +#include "stdbool.h" #include "throttle_ap.h" #include "timer.h" #include "usb_charge.h" @@ -1331,6 +1332,21 @@ static enum ec_error_list sm5803_get_option(int chgnum, int *option) return rv; } +static enum ec_error_list sm5803_is_input_current_limit_reached(int chgnum, + bool *reached) +{ + enum ec_error_list rv; + int reg; + + rv = chg_read8(chgnum, SM5803_REG_LOG2, ®); + if (rv) + return rv; + + *reached = (reg & SM5803_ISOLOOP_ON) ? true : false; + + return EC_SUCCESS; +} + static enum ec_error_list sm5803_set_option(int chgnum, int option) { enum ec_error_list rv; @@ -1624,6 +1640,7 @@ const struct charger_drv sm5803_drv = { .enable_otg_power = &sm5803_enable_otg_power, .is_sourcing_otg_power = &sm5803_is_sourcing_otg_power, .set_vsys_compensation = &sm5803_set_vsys_compensation, + .is_icl_reached = &sm5803_is_input_current_limit_reached, #ifdef CONFIG_CHARGE_RAMP_HW .set_hw_ramp = &sm5803_set_hw_ramp, .ramp_is_stable = &sm5803_ramp_is_stable, |