Files
OpenCellular/common/extpower_gpio.c
Randall Spangler 50c53c0d54 Move enabling AC_PRESENT interrupt to extpower_gpio.c
The interrupt handler moved a while ago, but the code to enable the
interrupt at init-time didn't.  Fix that.

BUG=chrome-os-partner:18256
BRANCH=none
TEST=boot system.  unplug AC.  replug AC.  UI charging indicator should update.

Change-Id: Ie16aa7f6eb9e871a6e3e8ecf6733ecbdc883be0b
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/47041
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
2013-04-02 14:12:56 -07:00

46 lines
1.1 KiB
C

/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Pure GPIO-based external power detection */
#include "common.h"
#include "extpower.h"
#include "gpio.h"
#include "hooks.h"
#include "host_command.h"
int extpower_is_present(void)
{
return gpio_get_level(GPIO_AC_PRESENT);
}
/**
* Deferred function to handle external power change
*/
static void extpower_deferred(void)
{
hook_notify(HOOK_AC_CHANGE);
/* Forward notification to host */
if (extpower_is_present())
host_set_single_event(EC_HOST_EVENT_AC_CONNECTED);
else
host_set_single_event(EC_HOST_EVENT_AC_DISCONNECTED);
}
DECLARE_DEFERRED(extpower_deferred);
void extpower_interrupt(enum gpio_signal signal)
{
/* Trigger deferred notification of external power change */
hook_call_deferred(extpower_deferred, 0);
}
static void extpower_init(void)
{
/* Enable interrupts, now that we've initialized */
gpio_enable_interrupt(GPIO_AC_PRESENT);
}
DECLARE_HOOK(HOOK_INIT, extpower_init, HOOK_PRIO_DEFAULT);