From patchwork Mon Mar 7 19:53:43 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 8522841 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id C81C49F2B4 for ; Mon, 7 Mar 2016 19:57:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0F40C201FE for ; Mon, 7 Mar 2016 19:57:00 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 393C7201EF for ; Mon, 7 Mar 2016 19:56:59 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ad1FV-0003Wh-FE; Mon, 07 Mar 2016 19:55:25 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ad1EL-0000zO-Fk for linux-arm-kernel@lists.infradead.org; Mon, 07 Mar 2016 19:54:18 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1ad1Dv-0002vd-VQ; Mon, 07 Mar 2016 20:53:47 +0100 Received: from ukl by dude.hi.pengutronix.de with local (Exim 4.86) (envelope-from ) id 1ad1Dv-0005HM-O1; Mon, 07 Mar 2016 20:53:47 +0100 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= To: kernel@pengutronix.de, Jean-Christophe Plagniol-Villard , Tomi Valkeinen Subject: [PATCH 1/3] video: fbdev: imxfb: fix semantic of .get_power and .set_power Date: Mon, 7 Mar 2016 20:53:43 +0100 Message-Id: <1457380425-20244-2-git-send-email-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1457380425-20244-1-git-send-email-u.kleine-koenig@pengutronix.de> References: <1457380425-20244-1-git-send-email-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160307_115414_031402_D3BD8ADC X-CRM114-Status: GOOD ( 11.57 ) X-Spam-Score: -1.9 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP .set_power gets passed an FB_BLANK_XXX value, not a bool. So 0 signals on; and >1 means off. The same applies for return values of .get_power. Signed-off-by: Uwe Kleine-König --- drivers/video/fbdev/imxfb.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c index cee88603efc9..c5fcedde2a60 100644 --- a/drivers/video/fbdev/imxfb.c +++ b/drivers/video/fbdev/imxfb.c @@ -759,9 +759,9 @@ static int imxfb_lcd_get_power(struct lcd_device *lcddev) struct imxfb_info *fbi = dev_get_drvdata(&lcddev->dev); if (!IS_ERR(fbi->lcd_pwr)) - return regulator_is_enabled(fbi->lcd_pwr); + return !regulator_is_enabled(fbi->lcd_pwr); - return 1; + return 0; } static int imxfb_lcd_set_power(struct lcd_device *lcddev, int power) @@ -769,7 +769,7 @@ static int imxfb_lcd_set_power(struct lcd_device *lcddev, int power) struct imxfb_info *fbi = dev_get_drvdata(&lcddev->dev); if (!IS_ERR(fbi->lcd_pwr)) { - if (power) + if (!power) return regulator_enable(fbi->lcd_pwr); else return regulator_disable(fbi->lcd_pwr);