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SubjectRe: [PATCH v2 1/4] dt-bindings: leds: Document commonly used LED triggers
On Wed, Oct 30, 2019 at 02:31:21PM +0530, Manivannan Sadhasivam wrote:
> This commit documents the LED triggers used commonly in the SoCs. Not
> all triggers are documented as some of them are very application specific.
> Most of the triggers documented here are currently used in devicetrees
> of many SoCs.

I guess it's worth documenting these, but you plan to use 'function'
instead, right?

>
> Cc: Jacek Anaszewski <jacek.anaszewski@gmail.com>
> Cc: Pavel Machek <pavel@ucw.cz>
> Cc: Dan Murphy <dmurphy@ti.com>
> Cc: linux-leds@vger.kernel.org
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> ---
> .../devicetree/bindings/leds/common.txt | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)

Acked-by: Rob Herring <robh@kernel.org>

>
> diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt
> index 9fa6f9795d50..2a6806161590 100644
> --- a/Documentation/devicetree/bindings/leds/common.txt
> +++ b/Documentation/devicetree/bindings/leds/common.txt
> @@ -55,6 +55,23 @@ Optional properties for child nodes:
> "timer" - LED flashes at a fixed, configurable rate
> "pattern" - LED alters the brightness for the specified duration with one
> software timer (requires "led-pattern" property)
> + "mmc[N]" - LED indicates [N]th MMC storage activity
> + "flash" - LED indicates camera flash state
> + "torch" - LED indicates camera torch state
> + "audio-mute" - LED indicates audio mute state
> + "audio-micmute" - LED indicates mic mute state
> + "bluetooth-power" - LED indicates bluetooth power state
> + "usb-gadget" - LED indicates USB gadget activity
> + "usb-host" - LED indicates USB host activity
> + "mtd" - LED indicates MTD memory activity
> + "nand-disk" - LED indicates NAND memory activity (deprecated),
> + in new implementations use "mtd"
> + "disk-read" - LED indicates disk read activity
> + "disk-write" - LED indicates disk write activity
> + "none" - No trigger assigned to the LED. This is the default mode
> + if trigger is absent
> + "cpu" - LED indicates activity of all CPUs
> + "cpu[N]" - LED indicates activity of [N]th CPU
>
> - led-pattern : Array of integers with default pattern for certain triggers.
> Each trigger may parse this property differently:
> --
> 2.17.1
>

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