linux-kernel - Re: [net-next PATCH v3 03/13] Documentation: leds: leds-class: Document new Hardware driven LEDs APIs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZHRd5wDnMrWZlwrd@debian.me>
Date:   Mon, 29 May 2023 15:10:15 +0700
From:   Bagas Sanjaya <bagasdotme@...il.com>
To:     Christian Marangi <ansuelsmth@...il.com>,
        Pavel Machek <pavel@....cz>, Lee Jones <lee@...nel.org>,
        Jonathan Corbet <corbet@....net>, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, linux-leds@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [net-next PATCH v3 03/13] Documentation: leds: leds-class:
 Document new Hardware driven LEDs APIs

On Sat, May 27, 2023 at 01:28:44PM +0200, Christian Marangi wrote:
> +     - hw_control_set:
> +                activate hw control. LED driver will use the provided
> +                flags passed from the supported trigger, parse them to
> +                a set of mode and setup the LED to be driven by hardware
> +                following the requested modes.
> +
> +                Set LED_OFF via the brightness_set to deactivate hw control.
> +
> +                Return 0 on success, a negative error number on flags apply
> +                fail.
		   "... on failing to apply flags."

> +    - hw_control_get_device:
> +                return the device associated with the LED driver in
> +                hw control. A trigger might use this to match the
> +                returned device from this function with a configured
> +                device for the trigger as the source for blinking
> +                events and correctly enable hw control.
> +                (example a netdev trigger configured to blink for a
> +                particular dev match the returned dev from get_device
> +                to set hw control)
> +
> +                Return a device or NULL if nothing is currently attached.
Returns a device name?

> +
> +LED driver can activate additional modes by default to workaround the
> +impossibility of supporting each different mode on the supported trigger.
> +Example are hardcoding the blink speed to a set interval, enable special
"Examples are hardcoding ..."

Thanks.

-- 
An old man doll... just what I always wanted! - Clara

Download attachment "signature.asc" of type "application/pgp-signature" (229 bytes)