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| author | Philip Chen <philipchen@google.com> | 2018-03-29 20:23:20 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-03-31 01:56:32 -0700 |
| commit | f319a80975afe6f34286c9cbf115b815fa8c6416 (patch) | |
| tree | caf30de005ba8d32c7b109b82d423c6c7620b65b /board/scarlet | |
| parent | 1a3851353892f7e26182e224a3a298e8f46dfa04 (diff) | |
| download | chrome-ec-f319a80975afe6f34286c9cbf115b815fa8c6416.tar.gz | |
scarlet: Enable charge termination only when battery is present
If we enable charge termination when booting w/o battery,
charge termination would trigger and cut the power for max17055.
BUG=b:72697658
BRANCH=scarlet
TEST=Read rt946x reg 0x02, confirm charge termination is
disabled when booting w/o battery, and enabled otherwise.
Change-Id: I5780196ad993299ddfb37621bee5e941aa9b0d14
Signed-off-by: Philip Chen <philipchen@google.com>
Reviewed-on: https://chromium-review.googlesource.com/989314
Commit-Ready: Philip Chen <philipchen@chromium.org>
Tested-by: Philip Chen <philipchen@chromium.org>
Reviewed-by: Philip Chen <philipchen@chromium.org>
Diffstat (limited to 'board/scarlet')
| -rw-r--r-- | board/scarlet/battery.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/board/scarlet/battery.c b/board/scarlet/battery.c index d84e8c1d6c..bc3ec6e84c 100644 --- a/board/scarlet/battery.c +++ b/board/scarlet/battery.c @@ -14,6 +14,7 @@ #include "ec_commands.h" #include "extpower.h" #include "gpio.h" +#include "hooks.h" #include "util.h" /* @@ -244,6 +245,19 @@ int charger_profile_override(struct charge_state_data *curr) return 0; } +static void board_charge_termination(void) +{ + static uint8_t te; + /* Enable charge termination when we are sure battery is present. */ + if (!te && battery_is_present() == BP_YES) { + if (!rt946x_enable_charge_termination(1)) + te = 1; + } +} +DECLARE_HOOK(HOOK_BATTERY_SOC_CHANGE, + board_charge_termination, + HOOK_PRIO_DEFAULT); + /* Customs options controllable by host command. */ #define PARAM_FASTCHARGE (CS_PARAM_CUSTOM_PROFILE_MIN + 0) |