From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E2E0C10F13 for ; Thu, 11 Apr 2019 05:47:48 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4E6792184B for ; Thu, 11 Apr 2019 05:47:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="gtXmHPPG"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="AiUUDQkP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4E6792184B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=MexdVMavHNZo+ob6Wqk0t+dXKERs4rWQy2qWOotyKRY=; b=gtXmHPPGhn+0B5 zMYy/tCf01Km7eX87hgc7UzUgKKUQSVO1+Z6wMc88iSWEyYbQsGNElqdKEJ+lUi88J3tGId9J2TXN OZAlx3dh6zJwiwI7tS2wXlOrB8bGS0qJFMjWDPFInQsoAuS0t21fvfxLNo1Au56S92aFxHRf6/4Kh v2YADu44/rQWeZpZEJQxuxd6TvqteEl59cpQAv6leXfjX2myOQdRydBOFjFMCnHmNATBVbw9TBMg7 v9fEhy5aBzSrdZD8rMxe6yjR9PZZ5p3doF0r5XZU8e9xG/K+N1ksVVJTOeE4wS4IzAP3YaK7ci4YG g8SaHMK2Lw9h7cxDirHQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hESYn-0008LH-S1; Thu, 11 Apr 2019 05:47:41 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hESYl-0008Kx-JE for linux-arm-kernel@lists.infradead.org; Thu, 11 Apr 2019 05:47:40 +0000 Received: from dragon (98.142.130.235.16clouds.com [98.142.130.235]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DBA9F20850; Thu, 11 Apr 2019 05:47:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554961659; bh=tH7i+4uv6nWXJwM52omNbaq1oNTjJ6urtpiAEUXxYx0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=AiUUDQkPjilENM46KtPa7h7hvKF49cGe+1RY2kT1ESDQmlEHTLBcPHjKr3smX5v8u is/r4A65DGSWAAMjlz+W9wjd4iESyyT3D6h4t9rP+pbQN+1ByzvmW+oBClN5FkDMLE 7uZAW2AMSSBmWrpVnQRFCFIK8AIto/VKWeSQiC4A= Date: Thu, 11 Apr 2019 13:47:25 +0800 From: Shawn Guo To: Adam Ford Subject: Re: [PATCH V2] ARM: dts: imx6q-logicpd: Shutdown LCD regulator during suspend Message-ID: <20190411054724.GU26817@dragon> References: <20190402192547.4538-1-aford173@gmail.com> <20190402192547.4538-2-aford173@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190402192547.4538-2-aford173@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190410_224739_649571_B38465EA X-CRM114-Status: GOOD ( 11.11 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Fabio Estevam , Sascha Hauer , linux-kernel@vger.kernel.org, Rob Herring , NXP Linux Team , Pengutronix Kernel Team , adam.ford@logicpd.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Apr 02, 2019 at 02:25:46PM -0500, Adam Ford wrote: > The LCD power sequencer is very finicky. The backlight cannot > be driven until after the sequencer is done. Until now, the > regulators were marked with 'regulator-always-on' to make sure > it came up before the backlight. This patch allows the LCD > regulators to power down and prevent the backlight from being > used again until the sequencer is ready. This reduces > standby power consumption by ~100mW. > > Signed-off-by: Adam Ford Applied, thanks. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel