From: Chanwoo Choi <cw00.choi@samsung.com>
To: Peter Chen <peter.chen@nxp.com>, myungjoo.ham@samsung.com
Cc: rogerq@ti.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/1] extcon: usb-gpio: add pinctrl operation during system PM
Date: Fri, 06 Jan 2017 17:30:32 +0900 [thread overview]
Message-ID: <586F55A8.9050100@samsung.com> (raw)
In-Reply-To: <1483514391-20252-1-git-send-email-peter.chen@nxp.com>
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
prev parent reply other threads:[~2017-01-06 8:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20170104071934epcas4p390f218107287b6096a6fe861ea730c31@epcas4p3.samsung.com>
2017-01-04 7:19 ` [PATCH v2 1/1] extcon: usb-gpio: add pinctrl operation during system PM Peter Chen
2017-01-06 8:30 ` Chanwoo Choi [this message]
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