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: Pavel Machek <pavel@xxxxxx>
Acked-by: Jacek Anaszewski <jacek.anaszewski@xxxxxxxxx>
Signed-off-by: Dan Murphy <dmurphy@xxxxxx>
---
drivers/leds/leds-lp5523.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index bb97549007d7..f55d97258d5e 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -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,
--
2.27.0
