Re: [PATCH v2 1/1] extcon: usb-gpio: add pinctrl operation during system PM

From	Chanwoo Choi <cw00.choi@samsung.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 1/1] extcon: usb-gpio: add pinctrl operation during system PM
Date	2017-01-06 09:40 +0100
Message-ID	<sWye6-7zH-19@gated-at.bofh.it> (permalink)
References	<sWye6-7zH-21@gated-at.bofh.it> <sWye6-7zH-23@gated-at.bofh.it>
Organization	Samsung Electronics

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Hi Peter,

On 2017년 01월 04일 16:19, Peter Chen wrote:
> At some systems, the pinctrl setting will be lost or needs to
> set as "sleep" state to save power consumption. So, we need to
> configure pinctrl as "sleep" state when system enters suspend,
> and as "default" state after system resumes. In this way, the
> pinctrl value can be recovered as "default" state after resuming.
> 
> Signed-off-by: Peter Chen <peter.chen@nxp.com>
> ---
> Changes for v2:
> - Add header file for pinctrl to avoid build error
> - Only set pin as "sleep" state when the wakeup is not requested
> 
>  drivers/extcon/extcon-usb-gpio.c | 7 +++++++
>  1 file changed, 7 insertions(+)

Applied it. Thanks.

-- 
Best Regards,
Chanwoo Choi
S/W Center, Samsung Electronics

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Re: [PATCH v2 1/1] extcon: usb-gpio: add pinctrl operation during  system PM Chanwoo Choi <cw00.choi@samsung.com> - 2017-01-06 09:40 +0100

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