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Groups > linux.kernel > #1738208

[PATCH 8/8] extcon: gpio: Always check state on resume

From Linus Walleij <linus.walleij@linaro.org>
Newsgroups linux.kernel
Subject [PATCH 8/8] extcon: gpio: Always check state on resume
Date 2017-09-24 17:10 +0200
Message-ID <utgHD-1R2-7@gated-at.bofh.it> (permalink)
References <utgxX-1yO-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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It makes most sense to always check the state of the GPIO external
connector at system resume so just do this by default. Add a TODO
if people turn out to desire to parameterize this.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
 drivers/extcon/extcon-gpio.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/extcon/extcon-gpio.c b/drivers/extcon/extcon-gpio.c
index b7353f5018b5..4f0ad5ad2722 100644
--- a/drivers/extcon/extcon-gpio.c
+++ b/drivers/extcon/extcon-gpio.c
@@ -83,6 +83,15 @@ static int gpio_extcon_probe(struct platform_device *pdev)
 	if (!data)
 		return -ENOMEM;
 
+	/*
+	 * Always checking connector state on resume makes most sense so do this
+	 * by default.
+	 *
+	 * TODO: if parameterization is needed, augment this to use proper device
+	 * properties or set it up from PM core.
+	 */
+	data->check_on_resume = true;
+
 	data->gpiod = devm_gpiod_get(dev, "extcon", GPIOD_IN);
 	if (IS_ERR(data->gpiod))
 		return PTR_ERR(data->gpiod);
-- 
2.13.5

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Thread

[PATCH 0/8] GPIO extcon modernization Linus Walleij <linus.walleij@linaro.org> - 2017-09-24 17:00 +0200
  [PATCH 3/8] extcon: gpio: Move platform data into state container Linus Walleij <linus.walleij@linaro.org> - 2017-09-24 17:00 +0200
    Re: [PATCH 3/8] extcon: gpio: Move platform data into state  container Chanwoo Choi <cw00.choi@samsung.com> - 2017-09-26 04:10 +0200
  [PATCH 4/8] extcon: gpio: Convert to fully use GPIO descriptor Linus Walleij <linus.walleij@linaro.org> - 2017-09-24 17:10 +0200
    Re: [PATCH 4/8] extcon: gpio: Convert to fully use GPIO descriptor Chanwoo Choi <cw00.choi@samsung.com> - 2017-09-26 04:20 +0200
  [PATCH 7/8] extcon: gpio: Get connector type from device property Linus Walleij <linus.walleij@linaro.org> - 2017-09-24 17:10 +0200
  [PATCH 8/8] extcon: gpio: Always check state on resume Linus Walleij <linus.walleij@linaro.org> - 2017-09-24 17:10 +0200
    Re: [PATCH 8/8] extcon: gpio: Always check state on resume Chanwoo Choi <cw00.choi@samsung.com> - 2017-09-26 04:30 +0200
  [PATCH 5/8] extcon: gpio: Request reasonable interrupts Linus Walleij <linus.walleij@linaro.org> - 2017-09-24 17:10 +0200
    Re: [PATCH 5/8] extcon: gpio: Request reasonable interrupts Chanwoo Choi <cw00.choi@samsung.com> - 2017-09-26 04:30 +0200
  [PATCH 6/8] extcon: gpio: Get debounce setting from device property Linus Walleij <linus.walleij@linaro.org> - 2017-09-24 17:10 +0200
    Re: [PATCH 6/8] extcon: gpio: Get debounce setting from device  property Chanwoo Choi <cw00.choi@samsung.com> - 2017-09-26 04:30 +0200

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