linux-kernel - Re: [PATCH 03/24] leds: dt-bindings: Add LED

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Date:   Sun, 11 Nov 2018 12:31:57 +0100
From:   Pavel Machek <pavel@....cz>
To:     Jacek Anaszewski <jacek.anaszewski@...il.com>
Cc:     linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, robh@...nel.org,
        Baolin Wang <baolin.wang@...aro.org>,
        Daniel Mack <daniel@...que.org>, Dan Murphy <dmurphy@...com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Oleh Kravchenko <oleg@....org.ua>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Simon Shields <simon@...eageos.org>,
        Xiaotong Lu <xiaotong.lu@...eadtrum.com>
Subject: Re: [PATCH 03/24] leds: dt-bindings: Add LED_FUNCTION definitions

Hi!

> Add common LED function definitions for use in Device Tree.
> The function names were extracted from existing dts files
> after eliminating oddities.

Thanks for doing this.

> diff --git a/include/dt-bindings/leds/functions.h b/include/dt-bindings/leds/functions.h
> new file mode 100644
> index 0000000..3f94e09
> --- /dev/null
> +++ b/include/dt-bindings/leds/functions.h
> @@ -0,0 +1,101 @@
> +// SPDX-License-Identifier: GPL-2.0
> +

> +#define LED_FUNCTION_2G "2g"
> +#define LED_FUNCTION_ACTIVITY "activity"
> +#define LED_FUNCTION_ADSL "adsl"
> +#define LED_FUNCTION_ALARM "alarm"
> +#define LED_FUNCTION_ALIVE "alive"
> +#define LED_FUNCTION_ALL "all"
> +#define LED_FUNCTION_APP "app"
> +#define LED_FUNCTION_AUX "aux"
> +#define LED_FUNCTION_BACKUP "backup"
> +#define LED_FUNCTION_BACKLIGHT "backlight"
> +#define LED_FUNCTION_BACKLIGHT_CLUSTER "backlight_cluster"

Sounds like one of backlight and backlight_cluster should be deprecated?

> +#define LED_FUNCTION_BEEP "beep"
> +#define LED_FUNCTION_BLUETOOTH "bluetooth"
> +#define LED_FUNCTION_BOOT "boot"
> +#define LED_FUNCTION_BOTTOM "bottom"

I believe some of these should get comments. For example what does
"all" and "bottom" LEDs do?

> +#define LED_FUNCTION_BRICK_STATUS "brick-status"
> +#define LED_FUNCTION_CEL "cel"
> +#define LED_FUNCTION_CEL_PWR "cel-pwr"
> +#define LED_FUNCTION_CEL_RESET "cel-reset"
> +#define LED_FUNCTION_CHRG "chrg"
> +#define LED_FUNCTION_COM "com"
> +#define LED_FUNCTION_COPY "copy"
> +#define LED_FUNCTION_CPU "cpu"
> +#define LED_FUNCTION_DEBUG "debug"
> +#define LED_FUNCTION_DIA "dia"

What does this one do?

> +#define LED_FUNCTION_DISK "disk"

We have disk, hd, hdd and sata. Deprecate some?

> +#define LED_FUNCTION_DISPLAY_CLUSTER "display_cluster"
> +#define LED_FUNCTION_DOWN "down"
> +#define LED_FUNCTION_DSL "dsl"
> +#define LED_FUNCTION_ENOCEAN "enocean"
> +#define LED_FUNCTION_ENTER "enter"
> +#define LED_FUNCTION_ERROR "error"
> +#define LED_FUNCTION_ESATA "esata"
> +#define LED_FUNCTION_ETHERNET_STATUS "ethernet-status"
> +#define LED_FUNCTION_FAIL "fail"
> +#define LED_FUNCTION_FAULT "fault"
> +#define LED_FUNCTION_FLASH "flash"
> +#define LED_FUNCTION_FRONT "front"
> +#define LED_FUNCTION_FUNC "func"
> +#define LED_FUNCTION_GPIO "gpio"
> +#define LED_FUNCTION_GSM "gsm"

> +#define LED_FUNCTION_HD "hd"
> +#define LED_FUNCTION_HDD "hdd"
> +#define LED_FUNCTION_HDDERR "hdderr"

Ok, I'll 

> +#define LED_FUNCTION_HEALTH "health"
> +#define LED_FUNCTION_HEARTBEAT "heartbeat"

Sounds same as alive, deprecate alive?

> +#define LED_FUNCTION_WIFI "wifi"
> +#define LED_FUNCTION_WIRELESS "wireless"
> +#define LED_FUNCTION_WLAN "wlan"

Same as wifi and wireless, I guess, deprecate some?

I'll touch same subject in another email.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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