Commit 40473132 authored by Dan Murphy's avatar Dan Murphy Committed by Pavel Machek
Browse files

leds: lp5523: Update the lp5523 code to add multicolor brightness function 



Add the multicolor brightness call back to support the multicolor
framework. This call back allows setting brightness on grouped channels
in a single function.

Acked-by: default avatarPavel Machek <pavel@ucw.cz>
Acked-by: default avatarJacek Anaszewski <jacek.anaszewski@gmail.com>
Signed-off-by: default avatarDan Murphy <dmurphy@ti.com>
Signed-off-by: default avatarPavel Machek <pavel@ucw.cz>
parent 92a81562

drivers/leds/leds-lp5523.c

+20 −0
Original line number Diff line number Diff line
@@ -792,6 +792,25 @@ static ssize_t store_master_fader_leds(struct device *dev, 
	return ret;

}



static int lp5523_multicolor_brightness(struct lp55xx_led *led)

{

	struct lp55xx_chip *chip = led->chip;

	int ret;

	int i;



	mutex_lock(&chip->lock);

	for (i = 0; i < led->mc_cdev.num_colors; i++) {

		ret = lp55xx_write(chip,

				   LP5523_REG_LED_PWM_BASE +

				   led->mc_cdev.subled_info[i].channel,

				   led->mc_cdev.subled_info[i].brightness);

		if (ret)

			break;

	}

	mutex_unlock(&chip->lock);

	return ret;

}



static int lp5523_led_brightness(struct lp55xx_led *led)

{

	struct lp55xx_chip *chip = led->chip;
@@ -858,6 +877,7 @@ static struct lp55xx_device_config lp5523_cfg = { 
	.max_channel  = LP5523_MAX_LEDS,

	.post_init_device   = lp5523_post_init_device,

	.brightness_fn      = lp5523_led_brightness,

	.multicolor_brightness_fn = lp5523_multicolor_brightness,

	.set_led_current    = lp5523_set_led_current,

	.firmware_cb        = lp5523_firmware_loaded,

	.run_engine         = lp5523_run_engine,