static ssize_t bd2802_store_led_sync(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct bd2802_led *led = i2c_get_clientdata(to_i2c_client(dev));
int value;
if (!count)
return -EINVAL;
value = simple_strtoul(buf, NULL, 10);
if(led->led_state == BD2802_TEST_ON)
return -EBUSY;
if(led->led_state == BD2802_SEQ)
return -EBUSY;
if(value == 1) {
if(led->led_state != BD2802_SYNC) {
hrtimer_cancel(&led->ledmin_timer);
flush_workqueue(led->ledmin_wq);
led->blue_current = BD2802_CURRENT_000;
bd2802_turn_white(led, HIDDEN1);
bd2802_turn_white(led, HIDDEN2);
led->led_state = BD2802_SYNC;
}
} else if(value == 0) {
if(led->led_state == BD2802_SYNC) {
led->white_current = BD2802_CURRENT_WHITE_MAX;
led->blue_current = BD2802_CURRENT_000;
bd2802_on(led);
led->led_state = BD2802_ON;
hrtimer_start(&led->ledmin_timer, ktime_set(5, 0), HRTIMER_MODE_REL);
}
} else {
return -EINVAL;
}
return count;
}
void touchkey_pressed(enum key_leds id)
{
struct bd2802_led *led = i2c_get_clientdata(bd2802_i2c_client);
DBG("led->led_state=%d\n",led->led_state);
if (led->led_state==BD2802_SEQ ||
led->led_state==BD2802_SYNC)
return;
hrtimer_cancel(&led->touchkey_timer);
hrtimer_cancel(&led->ledmin_timer);
if (led->led_state == BD2802_DIMMING) {
led->white_current = max_current;
led->blue_current = BD2802_CURRENT_000;
bd2802_on(led);
led->led_state = BD2802_ON;
}
/* else if (led->led_state == BD2802_OFF) {
led->white_current = max_current;
led->blue_current = BD2802_CURRENT_000;
led->led_state = BD2802_ON;
bd2802_on(led);
bd2802_enable(led);
} */
if (led->key_led != id)
bd2802_turn_white(led,led->key_led);
led->key_led=id;
DBG("led->key_led =%d\n",led->key_led);
led->blue_current = max_current;
bd2802_turn_blue(led, led->key_led);
bd2802_turn_blue(led, HIDDEN1);
bd2802_turn_blue(led, HIDDEN2);
hrtimer_start(&led->touchkey_timer, ktime_set(0, 500000000), HRTIMER_MODE_REL); /*5 sec */
}
static int bd2802_bl_resume(struct i2c_client *client)
{
struct bd2802_led *led = i2c_get_clientdata(client);
DBG("\n");
if (led->led_resumed==1)
return 0;
led->led_state = BD2802_ON;
led->white_current = BD2802_CURRENT_WHITE_MAX;
led->blue_current = BD2802_CURRENT_000;
/* if (system_rev >=4) //OVER REV.D
{
bd2802_write_byte(led->client, BD2812_DCDCDRIVER, 0x00);
bd2802_write_byte(led->client, BD2812_PIN_FUNC_SETUP, 0x0F);
}*/
bd2802_on(led);
bd2802_enable(led);
//hrtimer_start(&led->touchkey_timer, ktime_set(0, 500000000), HRTIMER_MODE_REL); /*5 sec */
hrtimer_start(&led->ledmin_timer, ktime_set(5, 0), HRTIMER_MODE_REL);
led->led_resumed=1;
return 0;
}
static int __devinit bd2802_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct bd2802_led *led;
int ret, i;
pr_warning("%s() -- start\n", __func__);
led = kzalloc(sizeof(struct bd2802_led), GFP_KERNEL);
if (!led) {
dev_err(&client->dev, "failed to allocate driver data\n");
return -ENOMEM;
}
led->client = client;
i2c_set_clientdata(client, led);
INIT_WORK(&led->work, bd2802_work_func);
INIT_WORK(&led->touchkey_work, bd2802_touchkey_work_func);
INIT_WORK(&led->ledmin_work, bd2802_ledmin_work_func);
led->bd2802_wq = create_singlethread_workqueue("bd2802_wq");
if (!led->bd2802_wq)
return -ENOMEM;
led->touchkey_wq = create_singlethread_workqueue("touchkey_wq");
if (!led->touchkey_wq)
return -ENOMEM;
led->ledmin_wq = create_singlethread_workqueue("ledmin_wq");
if (!led->ledmin_wq)
return -ENOMEM;
bd2802_i2c_client = led->client;
/* Default attributes */
led->wave_pattern = BD2802_PATTERN_FULL;
led->blink_enable =0;
led->led_state = BD2802_SEQ;
led->key_led = ALL;
led->key_direction= FORWARD;
led->led_counter=0;
#if defined(BLINK_ON_BOOTING)
led->white_current = BD2802_CURRENT_WHITE_MAX;
led->blue_current = BD2802_CURRENT_000;
#else
led->white_current = BD2802_CURRENT_WHITE_MAX;
led->blue_current = BD2802_CURRENT_BLUE_MAX;
#endif
init_rwsem(&led->rwsem);
for (i = 0; i < ARRAY_SIZE(bd2802_attributes); i++) {
ret = device_create_file(&led->client->dev,
bd2802_attributes[i]);
if (ret) {
dev_err(&led->client->dev, "failed: sysfs file %s\n",
bd2802_attributes[i]->attr.name);
goto failed_unregister_dev_file;
}
}
hrtimer_init(&led->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
led->timer.function = bd2802_timer_func;
#if defined(BLINK_ON_BOOTING)
#else
hrtimer_start(&led->timer, ktime_set(4, 0), HRTIMER_MODE_REL);
#endif
hrtimer_init(&led->touchkey_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
led->touchkey_timer.function = bd2802_touchkey_timer_func;
hrtimer_init(&led->ledmin_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
led->ledmin_timer.function = bd2802_ledmin_timer_func;
#ifdef CONFIG_HAS_EARLYSUSPEND
led->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN;
led->early_suspend.suspend = bd2802_early_suspend;
led->early_suspend.resume = bd2802_late_resume;
register_early_suspend(&led->early_suspend);
#endif
bd2802_configure(led);
#if defined(BLINK_ON_BOOTING)
led->blink_enable =1;
#endif
bd2802_on(led);
bd2802_enable(led);
//LGE_UPDATE
led->led_state=BD2802_ON;
//LGE_UPDATE
return 0;
failed_unregister_dev_file:
for (i--; i >= 0; i--)
device_remove_file(&led->client->dev, bd2802_attributes[i]);
return ret;
}