linux-kernel - Re: [PATCH v1 3/7] ARM: dts: apq8064-ifc6410: add heart-beat led support.

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Message-ID: <55B7BDB8.7090103@suse.de>
Date:	Tue, 28 Jul 2015 19:36:56 +0200
From:	Andreas Färber <afaerber@...e.de>
To:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	linux-arm-msm@...r.kernel.org
Cc:	agross@...eaurora.org, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 3/7] ARM: dts: apq8064-ifc6410: add heart-beat led
 support.

Am 28.07.2015 um 14:54 schrieb Srinivas Kandagatla:
> This patch adds heart-beat led support on IFC6410.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> ---
>  arch/arm/boot/dts/qcom-apq8064-ifc6410.dts | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
> index df560cf..1fc2ea5 100644
> --- a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
> +++ b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
> @@ -207,6 +207,19 @@
>  			status = "okay";
>  		};
>  
> +		leds {
> +			compatible = "gpio-leds";
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&notify_led>;
> +
> +			led@1 {
> +				label = "apq8064:green:user1";
> +				gpios = <&pm8921_gpio 18 GPIO_ACTIVE_HIGH>;
> +				linux,default-trigger = "heartbeat";

Can we please drop the heartbeat default? While that's nice as proof of
concept, it's annoying to deliver it that way in Linux distros. Users
can enable that trigger with a simple boot script writing to /sys.

Thanks,
Andreas

> +				default-state = "on";
> +			};
> +		};
> +
>  		qcom,ssbi@...000 {
>  			pmicintc: pmic@0 {
>  				pm8921_gpio: gpio@150 {
[snip]

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