/* This function is used to set the LED solid or blinking depending
do_blink field set by pm8xxx_led_set_blink function */
static int pm8xxx_led_pwm_work(struct pm8xxx_led_data *led)
{
int duty_us;
int rc = 0;
mutex_lock(&led->lock);
pr_debug("blink = %d, brightness = %d\n",
led->do_blink, led->cdev.brightness);
if (led->do_blink)
led->cdev.brightness = LED_FULL;
if (led->led_ctrl)
led->led_ctrl(led->dev->parent, led->cdev.brightness ? 1 : 0);
/* We need to disable it first even if brightness is not zero */
pwm_disable(led->pwm_dev);
pm8xxx_pwm_lut_enable(led->pwm_dev, 0);
if (led->cdev.brightness == 0) {
mutex_unlock(&led->lock);
return rc;
}
if (led->do_blink == 0) {
duty_us = (led->pwm_period_us * led->cdev.brightness) / LED_FULL;
rc = pwm_config(led->pwm_dev, duty_us, led->pwm_period_us);
rc = pwm_enable(led->pwm_dev);
} else {
rc = pm8xxx_pwm_lut_config(led->pwm_dev, led->pwm_period_us,
led->pwm_duty_cycles->duty_pcts,
led->pwm_duty_cycles->duty_ms,
led->pwm_duty_cycles->start_idx,
led->pwm_duty_cycles->num_duty_pcts,
0, 0, PM8XXX_LED_PWM_FLAGS);
rc = pm8xxx_pwm_lut_enable(led->pwm_dev, led->cdev.brightness);
}
mutex_unlock(&led->lock);
return rc;
}
static int pm8xxx_led_pwm_work(struct pm8xxx_led_data *led)
{
int duty_us;
int rc = 0;
if (led->pwm_duty_cycles == NULL) {
duty_us = (led->pwm_period_us * led->cdev.brightness) /
LED_FULL;
rc = pwm_config(led->pwm_dev, duty_us, led->pwm_period_us);
if (led->cdev.brightness)
rc = pwm_enable(led->pwm_dev);
else
pwm_disable(led->pwm_dev);
} else {
rc = pm8xxx_pwm_lut_enable(led->pwm_dev, led->cdev.brightness);
}
return rc;
}
static void pm8xxx_led_current_set_flagged(struct led_classdev *led_cdev, enum led_brightness brightness, int blink)
{
struct pm8xxx_led_data *led = container_of(led_cdev, struct pm8xxx_led_data, cdev);
int rc, offset;
u8 level;
int *pduties;
LED_INFO("%s, bank:%d, brightness:%d\n", __func__, led->bank, brightness);
cancel_delayed_work_sync(&led->fade_delayed_work);
virtual_key_state = brightness;
if (flag_hold_virtual_key == 1) {
LED_INFO("%s, key control \n", __func__);
return;
}
if(brightness) {
level = (led->out_current << PM8XXX_DRV_LED_CTRL_SHIFT) & PM8XXX_DRV_LED_CTRL_MASK;
offset = PM8XXX_LED_OFFSET(led->id);
led->reg &= ~PM8XXX_DRV_LED_CTRL_MASK;
led->reg |= level;
rc = pm8xxx_writeb(led->dev->parent, SSBI_REG_ADDR_LED_CTRL(offset), led->reg);
if (rc)
LED_ERR("%s can't set (%d) led value rc=%d\n", __func__, led->id, rc);
if (led->function_flags & LED_BRETH_FUNCTION) {
if (blink == 0) {
buttons_led_is_on = 1;
// no blink needed
pduties = &dutys_array[0];
pm8xxx_pwm_lut_config(led->pwm_led,
led->period_us,
pduties,
led->duty_time_ms,
led->start_index,
led->duites_size,
0, 0,
led->lut_flag);
} else {
pduties = &dutys_array[0];
// LUT_LOOP for blinking
pm8xxx_pwm_lut_config(led->pwm_led,
led->period_us,
pduties,
led->duty_time_ms, // slower, 2x
led->start_index,
led->duites_size * 8, // 16 duty entries -> original size * 2, + 6 * 8 zeroes for pause
0, 0,
PM_PWM_LUT_LOOP | PM_PWM_LUT_PAUSE_HI_EN);
}
pm8xxx_pwm_lut_enable(led->pwm_led, 0);
pm8xxx_pwm_lut_enable(led->pwm_led, 1);
} else {
pwm_config(led->pwm_led, 6400 * led->pwm_coefficient / 100, 6400);
pwm_enable(led->pwm_led);
}
} else {
if (led->function_flags & LED_BRETH_FUNCTION) {
buttons_led_is_on = 0;
wake_lock_timeout(&pmic_led_wake_lock, HZ*2);
pduties = &dutys_array[8];
pm8xxx_pwm_lut_config(led->pwm_led,
led->period_us,
pduties,
led->duty_time_ms,
led->start_index,
led->duites_size,
0, 0,
led->lut_flag);
pm8xxx_pwm_lut_enable(led->pwm_led, 0);
pm8xxx_pwm_lut_enable(led->pwm_led, 1);
queue_delayed_work(g_led_work_queue,
&led->fade_delayed_work,
msecs_to_jiffies(led->duty_time_ms*led->duites_size));
} else {
pwm_disable(led->pwm_led);
level = (0 << PM8XXX_DRV_LED_CTRL_SHIFT) & PM8XXX_DRV_LED_CTRL_MASK;
offset = PM8XXX_LED_OFFSET(led->id);
led->reg &= ~PM8XXX_DRV_LED_CTRL_MASK;
led->reg |= level;
rc = pm8xxx_writeb(led->dev->parent, SSBI_REG_ADDR_LED_CTRL(offset), led->reg);
if (rc)
LED_ERR("%s can't set (%d) led value rc=%d\n", __func__, led->id, rc);
}
}
}
extern void pm8xxx_led_current_set(struct led_classdev *led_cdev, enum led_brightness brightness)
{
struct pm8xxx_led_data *led = container_of(led_cdev, struct pm8xxx_led_data, cdev);
int rc, offset;
u8 level;
int *pduties;
LED_INFO("%s, bank:%d, brightness:%d\n", __func__, led->bank, brightness);
cancel_delayed_work_sync(&led->fade_delayed_work);
virtual_key_state = brightness;
if (flag_hold_virtual_key == 1) {
LED_INFO("%s, key control \n", __func__);
return;
}
if(brightness) {
level = (led->out_current << PM8XXX_DRV_LED_CTRL_SHIFT) & PM8XXX_DRV_LED_CTRL_MASK;
offset = PM8XXX_LED_OFFSET(led->id);
led->reg &= ~PM8XXX_DRV_LED_CTRL_MASK;
led->reg |= level;
rc = pm8xxx_writeb(led->dev->parent, SSBI_REG_ADDR_LED_CTRL(offset), led->reg);
if (rc)
LED_ERR("%s can't set (%d) led value rc=%d\n", __func__, led->id, rc);
if (led->function_flags & LED_BRETH_FUNCTION) {
pduties = led->duties;
pm8xxx_pwm_lut_config(led->pwm_led,
led->period_us,
pduties,
led->duty_time_ms,
led->start_index,
led->duites_size,
0, 0,
led->lut_flag);
pm8xxx_pwm_lut_enable(led->pwm_led, 0);
pm8xxx_pwm_lut_enable(led->pwm_led, 1);
} else {
pwm_config(led->pwm_led, 64000, 64000);
pwm_enable(led->pwm_led);
}
} else {
if (led->function_flags & LED_BRETH_FUNCTION) {
wake_lock_timeout(&pmic_led_wake_lock, HZ*2);
pduties = led->duties + led->duites_size;
pm8xxx_pwm_lut_config(led->pwm_led,
led->period_us,
pduties,
led->duty_time_ms,
led->start_index,
led->duites_size,
0, 0,
led->lut_flag);
pm8xxx_pwm_lut_enable(led->pwm_led, 0);
pm8xxx_pwm_lut_enable(led->pwm_led, 1);
queue_delayed_work(g_led_work_queue,
&led->fade_delayed_work,
msecs_to_jiffies(led->duty_time_ms*led->duites_size));
} else {
pwm_disable(led->pwm_led);
level = (0 << PM8XXX_DRV_LED_CTRL_SHIFT) & PM8XXX_DRV_LED_CTRL_MASK;
offset = PM8XXX_LED_OFFSET(led->id);
led->reg &= ~PM8XXX_DRV_LED_CTRL_MASK;
led->reg |= level;
rc = pm8xxx_writeb(led->dev->parent, SSBI_REG_ADDR_LED_CTRL(offset), led->reg);
if (rc)
LED_ERR("%s can't set (%d) led value rc=%d\n", __func__, led->id, rc);
}
}
// checking for buttons device
if (led_cdev_buttons == led_cdev)
{
printk("[BB] led_current_set %d \n", brightness);
if (brightness>0)
{
// screen turning off together with buttons led
buttons_turning_on_with_screen_on = 1;
} else
{
// screen turning off together without buttons led
buttons_turning_on_with_screen_on = 0;
}
}
// no blink needed
pm8xxx_led_current_set_flagged( led_cdev, brightness, 0);
}
static void pm8xxx_led_current_set(struct led_classdev *led_cdev, enum led_brightness brightness)
{
struct pm8xxx_led_data *led = container_of(led_cdev, struct pm8xxx_led_data, cdev);
int rc, offset;
u8 level;
int *pduties;
LED_INFO("%s, bank:%d, brightness:%d\n", __func__, led->bank, brightness);
cancel_delayed_work_sync(&led->fade_delayed_work);
virtual_key_state = brightness;
if (flag_hold_virtual_key == 1) {
LED_INFO("%s, key control \n", __func__);
return;
}
if(brightness) {
level = (led->out_current << PM8XXX_DRV_LED_CTRL_SHIFT) & PM8XXX_DRV_LED_CTRL_MASK;
offset = PM8XXX_LED_OFFSET(led->id);
led->reg &= ~PM8XXX_DRV_LED_CTRL_MASK;
led->reg |= level;
rc = pm8xxx_writeb(led->dev->parent, SSBI_REG_ADDR_LED_CTRL(offset), led->reg);
if (rc)
LED_ERR("%s can't set (%d) led value rc=%d\n", __func__, led->id, rc);
if (led->function_flags & LED_BRETH_FUNCTION) {
pduties = led->duties;
pm8xxx_pwm_lut_config(led->pwm_led,
led->period_us,
pduties,
led->duty_time_ms,
led->start_index,
led->duites_size,
0, 0,
led->lut_flag);
pm8xxx_pwm_lut_enable(led->pwm_led, 0);
pm8xxx_pwm_lut_enable(led->pwm_led, 1);
} else {
pwm_config(led->pwm_led, 64000, 64000);
pwm_enable(led->pwm_led);
}
} else {
if (led->function_flags & LED_BRETH_FUNCTION) {
pduties = led->duties + led->duites_size;
pm8xxx_pwm_lut_config(led->pwm_led,
led->period_us,
pduties,
led->duty_time_ms,
led->start_index,
led->duites_size,
0, 0,
led->lut_flag);
pm8xxx_pwm_lut_enable(led->pwm_led, 0);
pm8xxx_pwm_lut_enable(led->pwm_led, 1);
queue_delayed_work(g_led_work_queue,
&led->fade_delayed_work,
msecs_to_jiffies(led->duty_time_ms*led->duites_size));
} else {
pwm_disable(led->pwm_led);
level = (0 << PM8XXX_DRV_LED_CTRL_SHIFT) & PM8XXX_DRV_LED_CTRL_MASK;
offset = PM8XXX_LED_OFFSET(led->id);
led->reg &= ~PM8XXX_DRV_LED_CTRL_MASK;
led->reg |= level;
rc = pm8xxx_writeb(led->dev->parent, SSBI_REG_ADDR_LED_CTRL(offset), led->reg);
if (rc)
LED_ERR("%s can't set (%d) led value rc=%d\n", __func__, led->id, rc);
}
}
}