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kevin: Don't disable both charge ports when we source VBUS

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Ensure we're not charging from the port we're sourcing, but don't touch
the other port.

BUG=chrome-os-partner:52315
BRANCH=None
TEST=Attach unpowered peripheral + zinger to kevin and go to S0. Verify
that we continue pulling current from zinger at 3A.

Change-Id: Ic22b10e9ae08459cf062d7a51c9d627832d9ed63
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/338833
Commit-Ready: Shawn N <shawnn@chromium.org>
Tested-by: Shawn N <shawnn@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
This commit is contained in:
Shawn Nematbakhsh
2016-04-13 13:33:28 -07:00
committed by chrome-bot
parent 290ae152c1
commit f2ea8d729d
1 changed files with 3 additions and 2 deletions
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5
board/kevin/usb_pd_policy.c
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@@ -50,8 +50,9 @@ void pd_transition_voltage(int idx)
int pd_set_power_supply_ready(int port)
{
/* Disable charging */
bd99955_select_input_port(BD99955_CHARGE_PORT_NONE);
/* Ensure we're not charging from this port */
if (charge_manager_get_active_charge_port() == port)
bd99955_select_input_port(BD99955_CHARGE_PORT_NONE);
/* Provide VBUS */
gpio_set_level(port ? GPIO_C1_VOUT_EN_L :