diff options
| author | Vijay Hiremath <vijay.p.hiremath@intel.com> | 2018-05-31 23:13:58 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-06-04 13:31:21 -0700 |
| commit | b49d5872e9eacae9cee17c9bf011835bc5e3eb45 (patch) | |
| tree | a15d2b44784056750ff204730c2c413815b0973d /driver | |
| parent | edbfb3a43b6c4e1dd28f6d00a59896cae198f68b (diff) | |
| download | chrome-ec-b49d5872e9eacae9cee17c9bf011835bc5e3eb45.tar.gz | |
bq25703: Report actual input current limit
IIN_DPM register reflects the actual input current limit programmed
in the register, either from host or from ICO. After ICO, the current
limit used by DPM regulation may differ from the IIN_HOST register
settings.
BUG=b:80279932
BRANCH=none
TEST=Manually tested on BIP
Used BC1.2 DCP charger 'charger' command yield 900mA while
charge ramp set to 2.4A.
Change-Id: I6389205bd70d7729e9dd810fef3dfbf83a7d8c65
Signed-off-by: Vijay Hiremath <vijay.p.hiremath@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/1080343
Commit-Ready: Vijay P Hiremath <vijay.p.hiremath@intel.com>
Tested-by: Vijay P Hiremath <vijay.p.hiremath@intel.com>
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-by: Jett Rink <jettrink@chromium.org>
Diffstat (limited to 'driver')
| -rw-r--r-- | driver/charger/bq25703.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/driver/charger/bq25703.c b/driver/charger/bq25703.c index 0054168a59..55e90ee7e3 100644 --- a/driver/charger/bq25703.c +++ b/driver/charger/bq25703.c @@ -228,7 +228,13 @@ int charger_get_input_current(int *input_current) { int rv, reg; - rv = raw_read8(BQ25703_REG_IIN_HOST, ®); + /* + * IIN_DPM register reflects the actual input current limit programmed + * in the register, either from host or from ICO. After ICO, the + * current limit used by DPM regulation may differ from the IIN_HOST + * register settings. + */ + rv = raw_read8(BQ25703_REG_IIN_DPM, ®); if (!rv) *input_current = REG_TO_INPUT_CURRENT(reg); |