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25 lines
862 B
Diff
25 lines
862 B
Diff
From 5b3a11f39bb1b0f9b43044c8109bd6a19b92cebe Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Mon, 22 Aug 2016 11:56:04 +0100
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Subject: [PATCH] overlays: Clarify gpio-poweroff semantics in README
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1) GPIO pin is signalled on poweroff, not reboot.
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2) In RPi kernels, halt is equivalent to poweroff.
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See: https://github.com/raspberrypi/linux/issues/1600
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---
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arch/arm/boot/dts/overlays/README | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -340,7 +340,7 @@ Params: gpio_pin Input pi
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Name: gpio-poweroff
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-Info: Drives a GPIO high or low on reboot
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+Info: Drives a GPIO high or low on poweroff (including halt)
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Load: dtoverlay=gpio-poweroff,<param>=<val>
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Params: gpiopin GPIO for signalling (default 26)
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