From: Heiner Kallweit <hkallweit1@gmail.com>
To: Pavel Machek <pavel@ucw.cz>, Lee Jones <lee@kernel.org>
Cc: "linux-leds@vger.kernel.org" <linux-leds@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
Andrew Lunn <andrew@lunn.ch>
Subject: Re: [PATCH RESUBMIT] leds: trigger: netdev: add core support for hw not supporting fallback to LED sw control
Date: Sun, 17 Dec 2023 20:16:11 +0100 [thread overview]
Message-ID: <7b6cf0fb-4c77-4088-b87b-5649cfaa697e@gmail.com> (raw)
In-Reply-To: <3fd5184c-3641-4b0b-b59a-f489ec69a6cd@gmail.com>
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@gmail.com>
> ---
For whatever reason this patch (original version and resubmit) doesn't
show up on linux-leds patchwork. In netdev patchwork it's visible.
next prev parent reply other threads:[~2023-12-17 19:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-17 18:46 [PATCH RESUBMIT] leds: trigger: netdev: add core support for hw not supporting fallback to LED sw control Heiner Kallweit
2023-12-17 19:16 ` Heiner Kallweit [this message]
2024-01-11 8:44 ` Lee Jones
2024-01-11 10:24 ` Heiner Kallweit
2024-01-11 10:32 ` Lee Jones
2024-01-11 11:19 ` Heiner Kallweit
2023-12-18 9:45 ` Andrew Lunn
2023-12-21 15:05 ` (subset) " Lee Jones
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