From 782cca1ac6f43f5e6d0b1512b63fa517da223aca Mon Sep 17 00:00:00 2001 From: Jonas Rebmann Date: Fri, 5 Jun 2026 09:27:48 +0200 Subject: [PATCH] leds: pwm-multicolor: Introduce default-intensity property Like all LED drivers, pwm-multicolor supports turning on an LED on boot by setting linux,default-trigger, e.g. to "default-on". pwm-multicolor however scales the brightness of the color-component sub-LEDs with their individual intensity value. Since these intensities are zero-initialized, on boot a trigger is invisible until colors are set from userspace. Fix linux,default-trigger for pwm-multicolor by allowing for nonzero default-intensities but default to 0 for backwards-compatibility. Signed-off-by: Jonas Rebmann Link: https://patch.msgid.link/20260605-multicolor-default-v2-2-ed07271df6b0@pengutronix.de Signed-off-by: Lee Jones --- drivers/leds/rgb/leds-pwm-multicolor.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/leds/rgb/leds-pwm-multicolor.c b/drivers/leds/rgb/leds-pwm-multicolor.c index e0d7d3c9215c..3e515df40583 100644 --- a/drivers/leds/rgb/leds-pwm-multicolor.c +++ b/drivers/leds/rgb/leds-pwm-multicolor.c @@ -95,6 +95,8 @@ static int iterate_subleds(struct device *dev, struct pwm_mc_led *priv, } subled[priv->mc_cdev.num_colors].color_index = color; + fwnode_property_read_u32(fwnode, "default-intensity", + &subled[priv->mc_cdev.num_colors].intensity); priv->mc_cdev.num_colors++; }