From patchwork Wed Mar 30 20:04:04 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris BREZILLON X-Patchwork-Id: 8702491 Return-Path: X-Original-To: patchwork-linux-fbdev@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 C5E289FC5B for ; Wed, 30 Mar 2016 20:06:12 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E585A20361 for ; Wed, 30 Mar 2016 20:06:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 179D020384 for ; Wed, 30 Mar 2016 20:06:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755717AbcC3UGD (ORCPT ); Wed, 30 Mar 2016 16:06:03 -0400 Received: from down.free-electrons.com ([37.187.137.238]:45856 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755563AbcC3UF5 (ORCPT ); Wed, 30 Mar 2016 16:05:57 -0400 Received: by mail.free-electrons.com (Postfix, from userid 110) id A47BC1820; Wed, 30 Mar 2016 22:05:54 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from localhost.localdomain (LFbn-1-2159-240.w90-76.abo.wanadoo.fr [90.76.216.240]) by mail.free-electrons.com (Postfix) with ESMTPSA id 3052C1834; Wed, 30 Mar 2016 22:05:30 +0200 (CEST) From: Boris Brezillon To: Thierry Reding , linux-pwm@vger.kernel.org Cc: Mike Turquette , Stephen Boyd , linux-clk@vger.kernel.org, Mark Brown , Liam Girdwood , Kamil Debski , lm-sensors@lm-sensors.org, Jean Delvare , Guenter Roeck , Dmitry Torokhov , linux-input@vger.kernel.org, Bryan Wu , Richard Purdie , Jacek Anaszewski , linux-leds@vger.kernel.org, Maxime Ripard , Chen-Yu Tsai , linux-sunxi@googlegroups.com, Joachim Eastwood , Thomas Petazzoni , Heiko Stuebner , linux-rockchip@lists.infradead.org, Jingoo Han , Lee Jones , linux-fbdev@vger.kernel.org, Jean-Christophe Plagniol-Villard , Tomi Valkeinen , Robert Jarzmik , Alexandre Belloni , Kukjin Kim , Krzysztof Kozlowski , linux-samsung-soc@vger.kernel.org, intel-gfx@lists.freedesktop.org, Daniel Vetter , Jani Nikula , Jonathan Corbet , linux-doc@vger.kernel.org, David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Hartley Sweeten , Ryan Mallon , Alexander Shiyan , Milo Kim , Boris Brezillon Subject: [PATCH v5 41/46] backlight: lp855x: switch to the atomic PWM API Date: Wed, 30 Mar 2016 22:04:04 +0200 Message-Id: <1459368249-13241-42-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1459368249-13241-1-git-send-email-boris.brezillon@free-electrons.com> References: <1459368249-13241-1-git-send-email-boris.brezillon@free-electrons.com> Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP pwm_config/enable/disable() have been deprecated and should be replaced by pwm_apply_state(). Signed-off-by: Boris Brezillon --- drivers/video/backlight/lp855x_bl.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c index daca9e6..5468e7a 100644 --- a/drivers/video/backlight/lp855x_bl.c +++ b/drivers/video/backlight/lp855x_bl.c @@ -235,8 +235,7 @@ err: static void lp855x_pwm_ctrl(struct lp855x *lp, int br, int max_br) { - unsigned int period = lp->pdata->period_ns; - unsigned int duty = br * period / max_br; + struct pwm_state pstate; struct pwm_device *pwm; /* request pwm device with the consumer name */ @@ -248,11 +247,15 @@ static void lp855x_pwm_ctrl(struct lp855x *lp, int br, int max_br) lp->pwm = pwm; } - pwm_config(lp->pwm, duty, period); - if (duty) - pwm_enable(lp->pwm); + pwm_get_state(lp->pwm, &pstate); + pstate.period = lp->pdata->period_ns; + pstate.duty_cycle = br * pstate.period / max_br; + if (pstate.duty_cycle) + pstate.enabled = true; else - pwm_disable(lp->pwm); + pstate.enabled = false; + + pwm_apply_state(lp->pwm, &pstate); } static int lp855x_bl_update_status(struct backlight_device *bl)