Re: [PATCH v3] leds: rgb: lp5860: add enable-gpio

From: Lee Jones

Date: Wed Apr 29 2026 - 07:37:10 EST


On Wed, 08 Apr 2026, Steffen Trumtrar wrote:

> The VIO_EN pin can either be connected with VIO power supply or GPIO.
> Get the GPIO from DT if provided and set it on chip enable and disable.
>
> Signed-off-by: Steffen Trumtrar <s.trumtrar@xxxxxxxxxxxxxx>
> ---
> Changes in v3:
> - remove unnecessary validation checks
> - update dep to newer lp5860 series
> - Link to v2: https://lore.kernel.org/r/20260310-v6-19-topic-ti-lp5860-enable-gpio-v2-0-3fcc617fe03a@xxxxxxxxxxxxxx
>
> Changes in v2:
> - add acked-by
> - updated deps to newer lp5860 series
> - rebased to v7.0-rc1
> - Link to v1: https://lore.kernel.org/r/20260217-v6-19-topic-ti-lp5860-enable-gpio-v1-0-f5e8edeb5d74@xxxxxxxxxxxxxx
> ---
> drivers/leds/rgb/leds-lp5860-core.c | 9 +++++++++

I'm confused.

Why are you sending me patches for files that don't exist?

> drivers/leds/rgb/leds-lp5860.h | 1 +
> 2 files changed, 10 insertions(+)
>
> diff --git a/drivers/leds/rgb/leds-lp5860-core.c b/drivers/leds/rgb/leds-lp5860-core.c
> index 31eebaf0269ab..5bccca47b20a1 100644
> --- a/drivers/leds/rgb/leds-lp5860-core.c
> +++ b/drivers/leds/rgb/leds-lp5860-core.c
> @@ -5,6 +5,7 @@
> * Author: Steffen Trumtrar <kernel@xxxxxxxxxxxxxx>
> */
>
> +#include <linux/gpio/consumer.h>
> #include <linux/led-class-multicolor.h>
> #include <linux/module.h>
> #include <linux/of_platform.h>
> @@ -59,6 +60,8 @@ static int lp5860_set_mc_brightness(struct led_classdev *cdev,
>
> static int lp5860_chip_enable(struct lp5860 *lp, bool enable)
> {
> + gpiod_direction_output(lp->enable_gpiod, enable);
> +
> return regmap_write(lp->regmap, LP5860_REG_CHIP_EN, enable);
> }
>
> @@ -189,6 +192,12 @@ int lp5860_device_init(struct device *dev)
> struct lp5860 *lp = dev_get_drvdata(dev);
> int ret;
>
> + lp->enable_gpiod = devm_gpiod_get_optional(lp->dev, "enable", GPIOD_ASIS);
> + if (IS_ERR(lp->enable_gpiod))
> + return PTR_ERR(lp->enable_gpiod);
> +
> + gpiod_set_consumer_name(lp->enable_gpiod, "LP5860 VIO enable");
> +
> ret = lp5860_chip_enable(lp, LP5860_CHIP_ENABLE);
> if (ret)
> return ret;
> diff --git a/drivers/leds/rgb/leds-lp5860.h b/drivers/leds/rgb/leds-lp5860.h
> index b3ad8c46720cd..48a6afc4227d6 100644
> --- a/drivers/leds/rgb/leds-lp5860.h
> +++ b/drivers/leds/rgb/leds-lp5860.h
> @@ -257,6 +257,7 @@ struct lp5860_led {
> struct lp5860 {
> struct device *dev;
> struct regmap *regmap;
> + struct gpio_desc *enable_gpiod;
> unsigned int leds_count;
>
> DECLARE_FLEX_ARRAY(struct lp5860_led, leds);
>
> ---
> base-commit: 559f264e403e4d58d56a17595c60a1de011c5e20
> change-id: 20260217-v6-19-topic-ti-lp5860-enable-gpio-83c0652d34ad
> prerequisite-message-id: <20260403-v6-14-topic-ti-lp5860-v8-1-e127e80e875a@xxxxxxxxxxxxxx>
> prerequisite-patch-id: 2fc7123c98bf6c53d946af75269ecb1a7b421f14
>
> Best regards,
> --
> Steffen Trumtrar <s.trumtrar@xxxxxxxxxxxxxx>
>
>

--
Lee Jones