From patchwork Wed Mar 30 20:04:05 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris BREZILLON X-Patchwork-Id: 8703461 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 6D199C0553 for ; Wed, 30 Mar 2016 20:11:11 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 92E4B200E8 for ; Wed, 30 Mar 2016 20:11:10 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id B23A120361 for ; Wed, 30 Mar 2016 20:11:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B3BB46E8B8; Wed, 30 Mar 2016 20:11:02 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail.free-electrons.com (down.free-electrons.com [37.187.137.238]) by gabe.freedesktop.org (Postfix) with ESMTP id 46B826E8AA; Wed, 30 Mar 2016 20:06:03 +0000 (UTC) Received: by mail.free-electrons.com (Postfix, from userid 110) id 05CE21844; Wed, 30 Mar 2016 22:06:01 +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=-5.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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 ED927183E; Wed, 30 Mar 2016 22:05:31 +0200 (CEST) From: Boris Brezillon To: Thierry Reding , linux-pwm@vger.kernel.org Date: Wed, 30 Mar 2016 22:04:05 +0200 Message-Id: <1459368249-13241-43-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> Cc: Milo Kim , Kamil Debski , Heiko Stuebner , linux-doc@vger.kernel.org, David Airlie , Mike Turquette , linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, Alexandre Belloni , Daniel Vetter , Lee Jones , linux-clk@vger.kernel.org, linux-leds@vger.kernel.org, Boris Brezillon , Krzysztof Kozlowski , linux-samsung-soc@vger.kernel.org, Alexander Shiyan , Jonathan Corbet , Robert Jarzmik , lm-sensors@lm-sensors.org, linux-rockchip@lists.infradead.org, Chen-Yu Tsai , Tomi Valkeinen , linux-input@vger.kernel.org, Jean-Christophe Plagniol-Villard , intel-gfx@lists.freedesktop.org, Guenter Roeck , Jean Delvare , Joachim Eastwood , Bryan Wu , Mark Brown , Jacek Anaszewski , linux-arm-kernel@lists.infradead.org, Thomas Petazzoni , Ryan Mallon , Jingoo Han , Dmitry Torokhov , Stephen Boyd , Liam Girdwood , Hartley Sweeten , Richard Purdie , Kukjin Kim , Maxime Ripard Subject: [Intel-gfx] [PATCH v5 42/46] backlight: lp8788: switch to the atomic PWM API X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" 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/lp8788_bl.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/drivers/video/backlight/lp8788_bl.c b/drivers/video/backlight/lp8788_bl.c index 5d583d7..521c730 100644 --- a/drivers/video/backlight/lp8788_bl.c +++ b/drivers/video/backlight/lp8788_bl.c @@ -124,16 +124,13 @@ static int lp8788_backlight_configure(struct lp8788_bl *bl) static void lp8788_pwm_ctrl(struct lp8788_bl *bl, int br, int max_br) { - unsigned int period; - unsigned int duty; struct device *dev; + struct pwm_state pstate; struct pwm_device *pwm; if (!bl->pdata) return; - period = bl->pdata->period_ns; - duty = br * period / max_br; dev = bl->lp->dev; /* request PWM device with the consumer name */ @@ -147,11 +144,15 @@ static void lp8788_pwm_ctrl(struct lp8788_bl *bl, int br, int max_br) bl->pwm = pwm; } - pwm_config(bl->pwm, duty, period); - if (duty) - pwm_enable(bl->pwm); + pwm_get_state(bl->pwm, &pstate); + pstate.period = bl->pdata->period_ns; + pstate.duty_cycle = br * pstate.period / max_br; + if (pstate.duty_cycle) + pstate.enabled = true; else - pwm_disable(bl->pwm); + pstate.enabled = false; + + pwm_apply_state(bl->pwm, &pstate); } static int lp8788_bl_update_status(struct backlight_device *bl_dev)