linux-kernel - Re: [PATCH] leds: led-core: Get rid of enum led

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Date:   Fri, 11 Dec 2020 13:56:28 +0100
From:   Marek Behun <marek.behun@....cz>
To:     Abanoub Sameh <abanoubsameh8@...il.com>
Cc:     pavel@....cz, linux-leds@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Abanoub Sameh <abanoubsameh@...tonmail.com>,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH] leds: led-core: Get rid of enum led_brightness

On Fri, 11 Dec 2020 03:48:40 +0200
Abanoub Sameh <abanoubsameh8@...il.com> wrote:

> This gets rid of enum led_brightness in the main led files,
> because it is deprecated, and an int can be used instead,
> or maybe even a uint8_t since it only goes up to 255.
> Next we can also patch the other files to get rid of it completely.

1. unsigned int should be used IMO
  - using int may force all implementers to check for negative value
    and return -EINVAL, which is stupid
  - some LED controllers may offer more than 8bit brightness value, so
    no uint8_t
2. I think we should remove all usages with one commit

Marek