From patchwork Tue Apr 10 12:32:40 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 10335003 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 858F360134 for ; Wed, 11 Apr 2018 07:41:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7500E2875B for ; Wed, 11 Apr 2018 07:41:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6708528760; Wed, 11 Apr 2018 07:41:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D17822875C for ; Wed, 11 Apr 2018 07:41:30 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E21356E551; Wed, 11 Apr 2018 07:40:25 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org X-Greylist: delayed 340 seconds by postgrey-1.36 at gabe; Tue, 10 Apr 2018 12:38:42 UTC Received: from pokefinder.org (sauhun.de [88.99.104.3]) by gabe.freedesktop.org (Postfix) with ESMTP id 6C8096E400 for ; Tue, 10 Apr 2018 12:38:42 +0000 (UTC) Received: from localhost (p54B3379F.dip0.t-ipconnect.de [84.179.55.159]) by pokefinder.org (Postfix) with ESMTPSA id A45BE2FDF2C; Tue, 10 Apr 2018 14:32:58 +0200 (CEST) From: Wolfram Sang To: linux-kernel@vger.kernel.org Subject: [PATCH RESEND] backlight: pwm_bl: don't use GPIOF_* with gpiod_get_direction Date: Tue, 10 Apr 2018 14:32:40 +0200 Message-Id: <20180410123241.25745-1-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.11.0 X-Mailman-Approved-At: Wed, 11 Apr 2018 07:39:57 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, Daniel Thompson , Bartlomiej Zolnierkiewicz , Jingoo Han , linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, Wolfram Sang , Thierry Reding , Lee Jones MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The documentation was wrong, gpiod_get_direction() returns 0/1 instead of the GPIOF_* flags. The docs were fixed with commit 94fc73094abe47 ("gpio: correct docs about return value of gpiod_get_direction"). Now, fix this user (until a better, system-wide solution is in place). Signed-off-by: Wolfram Sang Acked-by: Daniel Thompson --- Changes since V1: * rebased to top-of-linus-tree * added tag from Daniel, thanks! Through which tree does this need to go? drivers/video/backlight/pwm_bl.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 1c2289ddd555..0fa7d2bd0e48 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -301,14 +301,14 @@ static int pwm_backlight_probe(struct platform_device *pdev) /* * If the GPIO is not known to be already configured as output, that - * is, if gpiod_get_direction returns either GPIOF_DIR_IN or -EINVAL, - * change the direction to output and set the GPIO as active. + * is, if gpiod_get_direction returns either 1 or -EINVAL, change the + * direction to output and set the GPIO as active. * Do not force the GPIO to active when it was already output as it * could cause backlight flickering or we would enable the backlight too * early. Leave the decision of the initial backlight state for later. */ if (pb->enable_gpio && - gpiod_get_direction(pb->enable_gpio) != GPIOF_DIR_OUT) + gpiod_get_direction(pb->enable_gpio) != 0) gpiod_direction_output(pb->enable_gpio, 1); pb->power_supply = devm_regulator_get(&pdev->dev, "power");