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Message-ID: <93709245-a791-4b35-bfb4-258344cf1134@gmail.com>
Date: Thu, 11 Jan 2024 12:19:39 +0100
From: Heiner Kallweit <hkallweit1@...il.com>
To: Lee Jones <lee@...nel.org>
Cc: Pavel Machek <pavel@....cz>,
 "linux-leds@...r.kernel.org" <linux-leds@...r.kernel.org>,
 "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
 Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH RESUBMIT] leds: trigger: netdev: add core support for hw
 not supporting fallback to LED sw control

On 11.01.2024 11:32, Lee Jones wrote:
> On Thu, 11 Jan 2024, Heiner Kallweit wrote:
> 
>> On 11.01.2024 09:44, Lee Jones wrote:
>>> On Sun, 17 Dec 2023, Heiner Kallweit wrote:
>>>
>>>> On 17.12.2023 19:46, Heiner Kallweit wrote:
>>>>> If hw doesn't support sw control of the LED and we switch to a mode
>>>>> not supported by hw, currently we get lots of errors because neither
>>>>> brigthness_set() nor brithness_set_blocking() is set.
>>>>> Deal with this by not falling back to sw control, and return
>>>>> -EOPNOTSUPP to the user. Note that we still store the new mode.
>>>>> This is needed in case an intermediate unsupported mode is necessary
>>>>> to switch from one supported mode to another.
>>>>>
>>>>> Add a comment explaining how a driver for such hw is supposed to behave.
>>>>>
>>>>> Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
>>>>> ---
>>>>
>>>> For whatever reason this patch (original version and resubmit) doesn't
>>>> show up on linux-leds patchwork. In netdev patchwork it's visible.
>>>
>>> Never used it.  Do you have a link?
>>>
>> This is the original patch in netdev patchwork
>> https://patchwork.kernel.org/project/netdevbpf/patch/91e9f4c6-d869-45be-be72-ac49a3c3b818@gmail.com/
>>
>> This is my patches in linux-leds patchwork. The one from Dec 6th is missing here.
>> https://patches.linaro.org/project/linux-leds/list/?series=&submitter=6702&state=*&q=&archive=&delegate=
>> However the resubmitted one showed up later.
> 
> AFAIW, that's not the official Patchwork for LEDs.
> 
> And as I say, I don't use it, so I'm not really in a position to comment.
> 
> Do we still have something outstanding?
> 
Thanks for asking. No, that's it for now.


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