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Subject[PATCH v10 14/16] leds: lp5521: Add multicolor framework intensity support
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-lp5521.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
index 6f0272249dc8..9c71f0fe7bf8 100644
--- a/drivers/leds/leds-lp5521.c
+++ b/drivers/leds/leds-lp5521.c
@@ -349,6 +349,19 @@ static int lp5521_run_selftest(struct lp55xx_chip *chip, char *buf)
return 0;
}

+static int lp5521_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, LP5521_REG_LED_PWM_BASE + chan_num,
+ brightness);
+ mutex_unlock(&chip->lock);
+ return ret;
+}
+
static int lp5521_led_brightness(struct lp55xx_led *led)
{
struct lp55xx_chip *chip = led->chip;
@@ -490,6 +503,7 @@ static struct lp55xx_device_config lp5521_cfg = {
.max_channel = LP5521_MAX_LEDS,
.post_init_device = lp5521_post_init_device,
.brightness_fn = lp5521_led_brightness,
+ .color_intensity_fn = lp5521_led_intensity,
.set_led_current = lp5521_set_led_current,
.firmware_cb = lp5521_firmware_loaded,
.run_engine = lp5521_run_engine,
--
2.22.0.214.g8dca754b1e
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