ACPR/android_system_core
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

charger: suspend enable in charger mode

Browse source 
To reduce power consumption after charging completion, enable suspend when LCD
is turned off.

Bug: 7429504
Change-Id: I34731dc392661c9051a20cea74f70d94a8aaeb42
Signed-off-by: Iliyan Malchev <malchev@google.com>
This commit is contained in:
choongryeol.lee 2012-11-15 17:03:03 -08:00 • committed by Iliyan Malchev
parent fdf2f33780
commit dec27f6e11
2 changed files with 31 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
charger/Android.mk
View file

@ -12,6 +12,10 @@ ifeq ($(strip $(BOARD_CHARGER_DISABLE_INIT_BLANK)),true)
LOCAL_CFLAGS := -DCHARGER_DISABLE_INIT_BLANK LOCAL_CFLAGS := -DCHARGER_DISABLE_INIT_BLANK
endif endif
ifeq ($(strip $(BOARD_CHARGER_ENABLE_SUSPEND)),true)
LOCAL_CFLAGS += -DCHARGER_ENABLE_SUSPEND
endif
LOCAL_MODULE := charger LOCAL_MODULE := charger
LOCAL_MODULE_TAGS := optional LOCAL_MODULE_TAGS := optional
LOCAL_FORCE_STATIC_EXECUTABLE := true LOCAL_FORCE_STATIC_EXECUTABLE := true
@ -21,6 +25,9 @@ LOCAL_UNSTRIPPED_PATH := $(TARGET_ROOT_OUT_UNSTRIPPED)
LOCAL_C_INCLUDES := bootable/recovery LOCAL_C_INCLUDES := bootable/recovery
LOCAL_STATIC_LIBRARIES := libminui libpixelflinger_static libpng LOCAL_STATIC_LIBRARIES := libminui libpixelflinger_static libpng
ifeq ($(strip $(BOARD_CHARGER_ENABLE_SUSPEND)),true)
LOCAL_STATIC_LIBRARIES += libsuspend
endif
LOCAL_STATIC_LIBRARIES += libz libstdc++ libcutils libm libc LOCAL_STATIC_LIBRARIES += libz libstdc++ libcutils libm libc
include $(BUILD_EXECUTABLE) include $(BUILD_EXECUTABLE)

25
charger/charger.c
View file

@ -41,6 +41,10 @@
#include <cutils/misc.h> #include <cutils/misc.h>
#include <cutils/uevent.h> #include <cutils/uevent.h>
#ifdef CHARGER_ENABLE_SUSPEND
#include <suspend/autosuspend.h>
#endif
#include "minui/minui.h" #include "minui/minui.h"
#ifndef max #ifndef max
@ -352,6 +356,21 @@ static void remove_supply(struct charger *charger, struct power_supply *supply)
free(supply); free(supply);
} }
#ifdef CHARGER_ENABLE_SUSPEND
static int request_suspend(bool enable)
{
if (enable)
return autosuspend_enable();
else
return autosuspend_disable();
}
#else
static int request_suspend(bool enable)
{
return 0;
}
#endif
static void parse_uevent(const char *msg, struct uevent *uevent) static void parse_uevent(const char *msg, struct uevent *uevent)
{ {
uevent->action = ""; uevent->action = "";
@ -685,6 +704,7 @@ static void update_screen_state(struct charger *charger, int64_t now)
charger->next_screen_transition = -1; charger->next_screen_transition = -1;
gr_fb_blank(true); gr_fb_blank(true);
LOGV("[%lld] animation done\n", now); LOGV("[%lld] animation done\n", now);
request_suspend(true);
return; return;
} }
@ -824,8 +844,10 @@ static void process_key(struct charger *charger, int code, int64_t now)
} }
} else { } else {
/* if the power key got released, force screen state cycle */ /* if the power key got released, force screen state cycle */
if (key->pending) if (key->pending) {
request_suspend(false);
kick_animation(charger->batt_anim); kick_animation(charger->batt_anim);
}
} }
} }
@ -843,6 +865,7 @@ static void handle_input_state(struct charger *charger, int64_t now)
static void handle_power_supply_state(struct charger *charger, int64_t now) static void handle_power_supply_state(struct charger *charger, int64_t now)
{ {
if (charger->num_supplies_online == 0) { if (charger->num_supplies_online == 0) {
request_suspend(false);
if (charger->next_pwr_check == -1) { if (charger->next_pwr_check == -1) {
charger->next_pwr_check = now + UNPLUGGED_SHUTDOWN_TIME; charger->next_pwr_check = now + UNPLUGGED_SHUTDOWN_TIME;
LOGI("[%lld] device unplugged: shutting down in %lld (@ %lld)\n", LOGI("[%lld] device unplugged: shutting down in %lld (@ %lld)\n",