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| author | Shawn Nematbakhsh <shawnn@chromium.org> | 2016-09-09 10:11:18 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-09-13 22:21:23 -0700 |
| commit | 94f2bc074087b72bbddf2fcbffa0f53e7aeb3aa0 (patch) | |
| tree | bbb048a2e50592415d5f9acc21b54164afefdc82 /common/charge_ramp.c | |
| parent | d8166a8d65bc776ad2484ac49cd4d7a218b48d7c (diff) | |
| download | chrome-ec-94f2bc074087b72bbddf2fcbffa0f53e7aeb3aa0.tar.gz | |
charge_manager: Pass uncapped / max current to current limit callback
charge_manager may request a charge current limit less than the
capability of the supply in certain cases (eg. during PD voltage
transition, to make an effort to comply with reduced load spec).
Depending on the battery / system state, setting a reduced charge
current limit may result in brownout.
Pass the uncapped / max negotiated current to board_set_charge_limit()
so that boards may use it instead of the requested limit in such
circumstances.
BUG=chrome-os-partner:56139
BRANCH=gru
TEST=Manual on kevin with subsequent commit, boot system with zinger +
low-charge battery, verify devices powers up to OS without brownout.
Change-Id: I2b8e0d44edcf57ffe4ee0fdec1a1ed35c6becbbd
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/383732
Commit-Ready: Shawn N <shawnn@chromium.org>
Tested-by: Shawn N <shawnn@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'common/charge_ramp.c')
| -rw-r--r-- | common/charge_ramp.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/common/charge_ramp.c b/common/charge_ramp.c index 4a1399b54e..e63b37b9bd 100644 --- a/common/charge_ramp.c +++ b/common/charge_ramp.c @@ -146,7 +146,7 @@ int chg_ramp_is_stable(void) void chg_ramp_task(void) { int task_wait_time = -1; - int i; + int i, lim; uint64_t detect_end_time_us = 0, time_us; int last_active_port = CHARGE_PORT_NONE; @@ -319,8 +319,8 @@ void chg_ramp_task(void) active_icl = active_icl_new; /* Set the input current limit */ - board_set_charge_limit(active_port, active_sup, - chg_ramp_get_current_limit()); + lim = chg_ramp_get_current_limit(); + board_set_charge_limit(active_port, active_sup, lim, lim); if (ramp_st == CHG_RAMP_STABILIZE) /* |