Commit b3b97473 authored by Jett.Zhou's avatar Jett.Zhou Committed by Samuel Ortiz
Browse files

led: Modified power control of pm860x led 



Since several sub modules such as backlight, leds and vibrator depend
on the refernce group and internal oscillator in pm8606, so modified
the power control of led in pm8606 by unified interface.

Signed-off-by: default avatarJett.Zhou <jtzhou@marvell.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 1efc1581

drivers/leds/leds-88pm860x.c

+23 −0
Original line number Diff line number Diff line
@@ -114,6 +114,27 @@ static inline int __blink_ctl_mask(int port) 
	return ret;

}



static int led_power_set(struct pm860x_chip *chip, int port, int on)

{

	int ret = -EINVAL;



	switch (port) {

	case PM8606_LED1_RED:

	case PM8606_LED1_GREEN:

	case PM8606_LED1_BLUE:

		ret = on ? pm8606_osc_enable(chip, RGB1_ENABLE) :

			pm8606_osc_disable(chip, RGB1_ENABLE);

		break;

	case PM8606_LED2_RED:

	case PM8606_LED2_GREEN:

	case PM8606_LED2_BLUE:

		ret = on ? pm8606_osc_enable(chip, RGB2_ENABLE) :

			pm8606_osc_disable(chip, RGB2_ENABLE);

		break;

	}

	return ret;

}



static void pm860x_led_work(struct work_struct *work)

{
@@ -126,6 +147,7 @@ static void pm860x_led_work(struct work_struct *work) 
	chip = led->chip;

	mutex_lock(&led->lock);

	if ((led->current_brightness == 0) && led->brightness) {

		led_power_set(chip, led->port, 1);

		if (led->iset) {

			pm860x_set_bits(led->i2c, __led_off(led->port),

					LED_CURRENT_MASK, led->iset);
@@ -149,6 +171,7 @@ static void pm860x_led_work(struct work_struct *work) 
					LED_CURRENT_MASK, 0);

			mask = __blink_ctl_mask(led->port);

			pm860x_set_bits(led->i2c, PM8606_WLED3B, mask, 0);

			led_power_set(chip, led->port, 0);

		}

	}

	led->current_brightness = led->brightness;

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