linux-kernel - Re: [RFC PATCH 5/5] leds: multicolor: Introduce a multicolor class definition

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Date:   Mon, 1 Apr 2019 14:10:35 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Dan Murphy <dmurphy@...com>, robh+dt@...nel.org,
        jacek.anaszewski@...il.com, pavel@....cz
Cc:     marek.behun@....cz, linux-kernel@...r.kernel.org,
        linux-leds@...r.kernel.org
Subject: Re: [RFC PATCH 5/5] leds: multicolor: Introduce a multicolor class
 definition

Hi,

On 4/1/19 10:34 AM, Dan Murphy wrote:
> Introduce a multicolor class that groups colored LEDs
> within a LED node.
> 
> The framework allows for dynamically setting individual LEDs
> or setting brightness levels of LEDs and updating them virtually
> simultaneously.
> 
> Signed-off-by: Dan Murphy <dmurphy@...com>
> ---
>  drivers/leds/Kconfig                 |  10 +
>  drivers/leds/Makefile                |   1 +
>  drivers/leds/led-class-multicolor.c  | 411 +++++++++++++++++++++++++++
>  include/linux/led-class-multicolor.h |  69 +++++
>  4 files changed, 491 insertions(+)
>  create mode 100644 drivers/leds/led-class-multicolor.c
>  create mode 100644 include/linux/led-class-multicolor.h
> 
> diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
> index a72f97fca57b..477e108fd2a7 100644
> --- a/drivers/leds/Kconfig
> +++ b/drivers/leds/Kconfig
> @@ -29,6 +29,16 @@ config LEDS_CLASS_FLASH
>  	  for the flash related features of a LED device. It can be built
>  	  as a module.
>  
> +config LEDS_CLASS_MULTI_COLOR
> +	tristate "LED Mulit Color LED Class Support"

	              Multi

> +	depends on LEDS_CLASS
> +	help
> +	  This option enables the flash led sysfs class in /sys/class/leds.

	                                LED (?)

> +	  It wrapps LED Class and adds flash LEDs specific sysfs attributes

	     wraps

> +	  and kernel internal API to it. You'll need this to provide support
> +	  for the flash related features of a LED device. It can be built

	                                 of an LED device.

> +	  as a module.
> +
>  config LEDS_BRIGHTNESS_HW_CHANGED
>  	bool "LED Class brightness_hw_changed attribute support"
>  	depends on LEDS_CLASS


ciao.
-- 
~Randy