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-rw-r--r--charger/Android.mk9
-rw-r--r--charger/healthd_board_cm.cpp40
2 files changed, 49 insertions, 0 deletions
diff --git a/charger/Android.mk b/charger/Android.mk
index 0f5e55f..0492ad9 100644
--- a/charger/Android.mk
+++ b/charger/Android.mk
@@ -7,6 +7,15 @@ LOCAL_CFLAGS := -Werror
LOCAL_C_INCLUDES := \
system/core/healthd \
bootable/recovery
+ifneq ($(BACKLIGHT_PATH),)
+ LOCAL_CFLAGS += -DHEALTHD_BACKLIGHT_PATH=\"$(BACKLIGHT_PATH)\"
+endif
+ifneq ($(SECONDARY_BACKLIGHT_PATH),)
+ LOCAL_CFLAGS += -DHEALTHD_SECONDARY_BACKLIGHT_PATH=\"$(SECONDARY_BACKLIGHT_PATH)\"
+endif
+ifneq ($(HEALTHD_BACKLIGHT_LEVEL),)
+ LOCAL_CFLAGS += -DHEALTHD_BACKLIGHT_LEVEL=$(HEALTHD_BACKLIGHT_LEVEL)
+endif
include $(BUILD_STATIC_LIBRARY)
include $(CLEAR_VARS)
diff --git a/charger/healthd_board_cm.cpp b/charger/healthd_board_cm.cpp
index c5aa3e6..8d38e5a 100644
--- a/charger/healthd_board_cm.cpp
+++ b/charger/healthd_board_cm.cpp
@@ -365,9 +365,49 @@ void healthd_board_mode_charger_battery_update(
{
}
+#ifdef HEALTHD_BACKLIGHT_PATH
+#ifndef HEALTHD_BACKLIGHT_LEVEL
+#define HEALTHD_BACKLIGHT_LEVEL 100
+#endif
+
+void healthd_board_mode_charger_set_backlight(bool on)
+{
+ int fd;
+ char buffer[10];
+
+ memset(buffer, '\0', sizeof(buffer));
+ fd = open(HEALTHD_BACKLIGHT_PATH, O_RDWR);
+ if (fd < 0) {
+ LOGE("Could not open backlight node : %s\n", strerror(errno));
+ return;
+ }
+ LOGV("Enabling backlight\n");
+ snprintf(buffer, sizeof(buffer), "%d\n", on ? HEALTHD_BACKLIGHT_LEVEL : 0);
+ if (write(fd, buffer, strlen(buffer)) < 0) {
+ LOGE("Could not write to backlight : %s\n", strerror(errno));
+ }
+ close(fd);
+
+#ifdef HEALTHD_SECONDARY_BACKLIGHT_PATH
+ fd = open(HEALTHD_SECONDARY_BACKLIGHT_PATH, O_RDWR);
+ if (fd < 0) {
+ LOGE("Could not open second backlight node : %s\n", strerror(errno));
+ return;
+ }
+ LOGV("Enabling secondary backlight\n");
+ if (write(fd, buffer, strlen(buffer)) < 0) {
+ LOGE("Could not write to second backlight : %s\n", strerror(errno));
+ return;
+ }
+ close(fd);
+#endif
+}
+
+#else
void healthd_board_mode_charger_set_backlight(bool)
{
}
+#endif
void healthd_board_mode_charger_init(void)
{