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Normally we don't do this, but enough changes have accumulated that
we're doing a tree-wide one-off update of the name & style.
BRANCH=none
BUG=chromium:1098010
TEST=`repo upload` works
Change-Id: Icd3a1723c20595356af83d190b2c6a9078b3013b
Signed-off-by: Mike Frysinger <vapier@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3891203
Reviewed-by: Jeremy Bettis <jbettis@chromium.org>
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
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The dedede boards erroneously assumed that if VBUS was present, then
"extpower" was present. "extpower" is generally connected to the ACOK
signal for the battery charger IC. It indicates that the voltage
present at the switching node is valid for bucking or boosting. For our
Type-C systems, this needs to be at least 4V. However, just because
VBUS is present doesn't mean that the voltage is present at the
switching node. The FETs on the selected charge port needs to be
enabled first.
This commit simply changes the logic to check the battery charger ICs'
ACOK status to reflect whether extpower is present.
BUG=b:187965740
BRANCH=dedede
TEST=Build and flash drawcia and madoo, verify that "AC on" prints are
emitted when the charge port is selected and not just when VBUS appears
on the port.
Signed-off-by: Aseda Aboagye <aaboagye@google.com>
Change-Id: If5a4a10d502f2f08ccf1d3228e42f48fa6d45909
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2901254
Tested-by: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-by: Diana Z <dzigterman@chromium.org>
Commit-Queue: Aseda Aboagye <aaboagye@chromium.org>
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This change adds a helper function extpower_handle_update() that
performs all the necessary actions that need to be done on external
power state change:
1. Call hook_notify with AC_CHANGE
2. Update memmap_batt_flags to update EC_BATT_FLAG_AC_PRESENT
3. Set host event for EC_HOST_EVENT_AC_CONNECTED or
EC_HOST_EVENT_AC_DISCONNECTED.
Step#2 above is important because it ensures that the memory map flag
is correctly updated when host reads it. Before this change, it was
observed that EC_BATT_FLAG_AC_PRESENT is updated only when
static/dynamic battery information gets updated. This could result in
host reading the wrong AC state if battery information did not update
before host acts on the host event bit getting set for AC
connect/disconnect.
BUG=b:157752693
BRANCH=None
TEST=Verified on trembyle that EC ASL routines read the correct state
of AC present flag on receiving host event.
Signed-off-by: Furquan Shaikh <furquan@google.com>
Change-Id: I077de1135320654f571e5cf87ced6f08cbf23876
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2242353
Reviewed-by: Edward Hill <ecgh@chromium.org>
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Auto-Submit: Furquan Shaikh <furquan@chromium.org>
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