linux-kernel - Re: [PATCH 1/1] leds: core: Omit set_brightness error message for a LED supporting hw trigger only

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Date: Mon, 24 Jun 2024 22:21:18 +0200
From: Heiner Kallweit <hkallweit1@...il.com>
To: Lee Jones <lee@...nel.org>, linux-kernel@...r.kernel.org,
 Pavel Machek <pavel@....cz>, linux-leds@...r.kernel.org
Subject: Re: [PATCH 1/1] leds: core: Omit set_brightness error message for a
 LED supporting hw trigger only

On 20.06.2024 11:09, Lee Jones wrote:
> On Thu, 13 Jun 2024, Lee Jones wrote:
> 
>> If both set_brightness functions return -ENOTSUPP, then the LED doesn't
>> support setting a fixed brightness value, and the error message isn't
>> helpful. This can be the case e.g. for LEDs supporting a specific hw
>> trigger only.
>>
>> Pinched the subject line and commit message from Heiner:
>> Link: https://lore.kernel.org/all/44177e37-9512-4044-8991-bb23b184bf37@gmail.com/
>>
>> Reworked the function to provide Heiner's required semantics whilst
>> simultaneously increasing readability and flow.
>>
>> Cc: Pavel Machek <pavel@....cz>
>> Cc: linux-leds@...r.kernel.org
>> Suggested-by: Heiner Kallweit <hkallweit1@...il.com>
> 
> Heiner, you good with this solution?
> 
> A Tested-by or Reviewed-by would be good if you have the time.
> 
>> Signed-off-by: Lee Jones <lee@...nel.org>

Reviewed-by: Heiner Kallweit <hkallweit1@...il.com>