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| author | Aseda Aboagye <aaboagye@google.com> | 2016-07-13 14:22:20 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-07-18 21:47:50 -0700 |
| commit | b7a604728abe7e332a616b0cad761dec6e501877 (patch) | |
| tree | f5d233f9b14ef9b36f246e4362ba6ddfd3688d40 /common | |
| parent | 3b241c212ecc17dd9151694609045b1aac903953 (diff) | |
| download | chrome-ec-b7a604728abe7e332a616b0cad761dec6e501877.tar.gz | |
bd99955: Make changes for new OTP change.
There's a new OTP change for the BD99955 and therefore the following
changes needed to be made.
- Change VFASTCHG_SET1 to 8.704V before CHG_EN is set to 1.
- Change VSYS_REG to 6.144V when starting Fast Charging.
- Change VSYS_REG back to 8.906V when Fast Charge is finished.
- Wait for 50ms to set CHG_EN to off (0) after Fast Charging has ended.
BUG=chrome-os-partner:55220
BUG=chrome-os-partner:55238
BRANCH=None
TEST=Flash kevin, plug discharged battery in. Plug AC in. `bd99955 r
0x11 1' and verify that VSYSREG is set to 0x1800 (6144mV).
TEST=`bd99955 r 0x1a 1' and verify that VFASTCHARGE is set to
0x2200 (8704mV).
TEST=Remove battery. `bd99955 r 0x11 1' and verify that VSYSREG is set
to 0x2300 (8960 mV).
TEST=Plug in battery and let charge to full. Verify that VSYSREG is set
to 0x2300 (8960 mV).
Change-Id: I5e5ca2cdcd4ead383416901c904df1e6fe5a9e28
Signed-off-by: Aseda Aboagye <aaboagye@google.com>
Reviewed-on: https://chromium-review.googlesource.com/360421
Commit-Ready: Aseda Aboagye <aaboagye@chromium.org>
Tested-by: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-by: Mary Ruthven <mruthven@chromium.org>
Diffstat (limited to 'common')
| -rw-r--r-- | common/charge_state_v2.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/common/charge_state_v2.c b/common/charge_state_v2.c index 60875d0ff6..95b46a63ed 100644 --- a/common/charge_state_v2.c +++ b/common/charge_state_v2.c @@ -415,7 +415,11 @@ static int charge_request(int voltage, int current) * Set the charge inhibit bit when possible as it appears to save * power in some cases (e.g. Nyan with BQ24735). */ +#ifdef CONFIG_CHARGER_BD99955 + if (current > 0) +#else if (voltage > 0 || current > 0) +#endif r3 = charger_set_mode(0); else r3 = charger_set_mode(CHARGE_FLAG_INHIBIT_CHARGE); |