diff options
| author | Vic Yang <victoryang@chromium.org> | 2013-09-10 15:20:09 +0800 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2013-09-11 03:45:04 +0000 |
| commit | 057d71ae798b42613fc6bf61e17f8f6c83247ec0 (patch) | |
| tree | 19322ca497ab38100ca6e9a646c918f99a80e963 | |
| parent | 793b52f327b20ee5897dc04093ac30a5d000d6e9 (diff) | |
| download | chrome-ec-057d71ae798b42613fc6bf61e17f8f6c83247ec0.tar.gz | |
Avoid charging over battery's maximum voltage
When the battery doesn't report desired voltage, we should charge at the
minimum value of charger maximum voltage and battery maximum voltage.
BUG=chrome-os-partner:22055
TEST=Boot Kirby and check we are charging at 4.2V instead of 4.4V.
BRANCH=None
Change-Id: Ie520aa223d85c0690cc959522c4a46691aaa9a66
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/168732
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
| -rw-r--r-- | common/charge_state.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/common/charge_state.c b/common/charge_state.c index 02d670a7ed..e959c8cc57 100644 --- a/common/charge_state.c +++ b/common/charge_state.c @@ -306,7 +306,8 @@ static int state_common(struct power_state_context *ctx) } else if (d) { rv = battery_desired_voltage(&batt->desired_voltage); if (rv == EC_ERROR_UNIMPLEMENTED) - batt->desired_voltage = ctx->charger->voltage_max; + batt->desired_voltage = MIN(ctx->charger->voltage_max, + ctx->battery->voltage_max); else if (rv != EC_SUCCESS) curr->error |= F_DESIRED_VOLTAGE; |