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

From: Bagas Sanjaya
Date: Mon May 29 2023 - 04:10:25 EST


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

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