From patchwork Sat Jun 1 23:07:27 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shuah Khan X-Patchwork-Id: 2649161 Return-Path: X-Original-To: patchwork-linux-fbdev@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id C7D9D3FD4E for ; Sat, 1 Jun 2013 23:07:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753000Ab3FAXHe (ORCPT ); Sat, 1 Jun 2013 19:07:34 -0400 Received: from qmta04.emeryville.ca.mail.comcast.net ([76.96.30.40]:59106 "EHLO qmta04.emeryville.ca.mail.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752446Ab3FAXHd (ORCPT ); Sat, 1 Jun 2013 19:07:33 -0400 Received: from omta08.emeryville.ca.mail.comcast.net ([76.96.30.12]) by qmta04.emeryville.ca.mail.comcast.net with comcast id jAon1l0040FhH24A4B7Z2G; Sat, 01 Jun 2013 23:07:33 +0000 Received: from mail.gonehiking.org ([75.71.126.5]) by omta08.emeryville.ca.mail.comcast.net with comcast id jB7W1l00i076gX78UB7X8F; Sat, 01 Jun 2013 23:07:32 +0000 Received: from orthanc.internal (orthanc.internal [192.168.1.24]) by mail.gonehiking.org (Postfix) with ESMTP id F393C80461; Sat, 1 Jun 2013 17:07:35 -0600 (MDT) From: Shuah Khan To: rpurdie@rpsys.net, FlorianSchandinat@gmx.de, plagnioj@jcrosoft.com, tomi.valkeinen@ti.com, rafael.j.wysocki@intel.com Cc: Shuah Khan , linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, shuahkhan@gmail.com Subject: [PATCH v3] backlight: Convert from Legacy pm ops to dev_pm_ops Date: Sat, 1 Jun 2013 17:07:27 -0600 Message-Id: <1370128047-2444-1-git-send-email-shuah.kh@samsung.com> X-Mailer: git-send-email 1.7.10.4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20121106; t=1370128053; bh=czMIGXyRl+e322nwd/jL/frfH+cKvWZ9f37anQvtBgA=; h=Received:Received:Received:From:To:Subject:Date:Message-Id; b=szOSCQFgH1qznSn/RqQrJtQ01BzWy+h+P9faJ4PI+6r9cFj+oNmIoslNl7m1mv4/S X2Eyr8DcYFzUJun93TX+29h0I84vv+CiDjf9tJJnWLYAvqTDCEpoS98KZnsDrFRWP4 +VczzPnCD1dMJZpifmUMdlevcQQs3EYFNLt6fZUUlZ6M23IPxXLJ1qoEwe+7toFd5e KsgoQGvc/gEAJ9UrQb/WMnR8/9KcmFuC+qS5XhlZO/TpCx+KKwMqlwi9QIUi1hOai0 lKWBKGZu1bKSJV7GRdro47NwI/TYDlwNUm9wMpusM7KkBrn6htzL61h5nvZTS8Ksi6 XQwglnkdF8akw== Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Convert drivers/video/backlight/class to use dev_pm_ops for power management and remove Legacy PM ops hooks. With this change, backlight class registers suspend/resume callbacks via class->pm (dev_pm_ops) instead of Legacy class->suspend/resume. When __device_suspend() runs call-backs, it will find class->pm ops for the backlight class. Signed-off-by: Shuah Khan Cc: Shuah Khan Acked-by: Jingoo Han --- v2: Updated changelog to correct device class. v3: Updated changelog to correct device class. drivers/video/backlight/backlight.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index c74e7aa..0ffb251 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -208,7 +208,7 @@ static ssize_t backlight_show_actual_brightness(struct device *dev, static struct class *backlight_class; -static int backlight_suspend(struct device *dev, pm_message_t state) +static int backlight_suspend(struct device *dev) { struct backlight_device *bd = to_backlight_device(dev); @@ -236,6 +236,9 @@ static int backlight_resume(struct device *dev) return 0; } +static SIMPLE_DEV_PM_OPS(backlight_class_dev_pm_ops, backlight_suspend, + backlight_resume); + static void bl_device_release(struct device *dev) { struct backlight_device *bd = to_backlight_device(dev); @@ -414,8 +417,7 @@ static int __init backlight_class_init(void) } backlight_class->dev_attrs = bl_device_attributes; - backlight_class->suspend = backlight_suspend; - backlight_class->resume = backlight_resume; + backlight_class->pm = &backlight_class_dev_pm_ops; return 0; }