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Subject[PATCH v10 13/16] leds: lp5523: Update the lp5523 code to add intensity function
Date
Add the intensity function call back to support the multicolor
framework. This function allows setting a specific brightness on
a specific channel.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
---
drivers/leds/leds-lp5523.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index d0b931a136b9..07484fc2f715 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -791,6 +791,19 @@ static ssize_t store_master_fader_leds(struct device *dev,
return ret;
}

+static int lp5523_led_intensity(struct lp55xx_led *led, int chan_num,
+ int brightness)
+{
+ struct lp55xx_chip *chip = led->chip;
+ int ret;
+
+ mutex_lock(&chip->lock);
+ ret = lp55xx_write(chip, LP5523_REG_LED_PWM_BASE + chan_num,
+ brightness);
+ mutex_unlock(&chip->lock);
+ return ret;
+}
+
static int lp5523_led_brightness(struct lp55xx_led *led)
{
struct lp55xx_chip *chip = led->chip;
@@ -857,6 +870,7 @@ static struct lp55xx_device_config lp5523_cfg = {
.max_channel = LP5523_MAX_LEDS,
.post_init_device = lp5523_post_init_device,
.brightness_fn = lp5523_led_brightness,
+ .color_intensity_fn = lp5523_led_intensity,
.set_led_current = lp5523_set_led_current,
.firmware_cb = lp5523_firmware_loaded,
.run_engine = lp5523_run_engine,
--
2.22.0.214.g8dca754b1e
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