Re: [PATCH V2 2/2] leds: rgb: leds-group-multicolor: Implement default-intensity

Jonas Rebmann <[email protected]> Mon, 3 Aug 2026 10:53:34 +0200
Newsgroups org.kernel.vger.linux-leds,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
On 2026-08-02 13:57, Stefan Wahren wrote:
> Currently it's not possible to specify the initial color of a LED
> multicolor group during boot. So implement the default-intensity property
> similar to the leds-pwm-multicolor driver. In case the property is
> missing, the old behavior is kept.
> 
> Signed-off-by: Stefan Wahren <[email protected]>

Reviewed-by: Jonas Rebmann <[email protected]>

> ---
>   drivers/leds/rgb/leds-group-multicolor.c | 10 ++++++++--
>   1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/leds/rgb/leds-group-multicolor.c b/drivers/leds/rgb/leds-group-multicolor.c
> index 548c7dd63ba1..69b203ec89fa 100644
> --- a/drivers/leds/rgb/leds-group-multicolor.c
> +++ b/drivers/leds/rgb/leds-group-multicolor.c
> @@ -109,8 +109,14 @@ static int leds_gmc_probe(struct platform_device *pdev)
>   
>   		subled[i].color_index = led_cdev->color;
>   
> -		/* Configure the LED intensity to its maximum */
> -		subled[i].intensity = max_brightness;
> +		ret = fwnode_property_read_u32(led_cdev->dev->fwnode, "default-intensity",
> +					       &subled[i].intensity);
> +
> +		/* In case default-intensity is missing, fallback to maximum */
> +		if (ret)
> +			subled[i].intensity = max_brightness;
> +		else if (subled[i].intensity > max_brightness)
> +			subled[i].intensity = max_brightness;
>   	}
>   
>   	/* Initialise the multicolor's LED class device */

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