From patchwork Wed Mar 30 20:04:07 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris BREZILLON X-Patchwork-Id: 8702651 Return-Path: X-Original-To: patchwork-linux-samsung-soc@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 B6BF99F44D for ; Wed, 30 Mar 2016 20:07:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D481D20361 for ; Wed, 30 Mar 2016 20:07:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5517820383 for ; Wed, 30 Mar 2016 20:07:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932201AbcC3UGV (ORCPT ); Wed, 30 Mar 2016 16:06:21 -0400 Received: from down.free-electrons.com ([37.187.137.238]:45978 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755716AbcC3UGR (ORCPT ); Wed, 30 Mar 2016 16:06:17 -0400 Received: by mail.free-electrons.com (Postfix, from userid 110) id 394601CC1; Wed, 30 Mar 2016 22:06:14 +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=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 74ECB1BB6; Wed, 30 Mar 2016 22:05:35 +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 44/46] video: ssd1307fb: switch to the atomic PWM API Date: Wed, 30 Mar 2016 22:04:07 +0200 Message-Id: <1459368249-13241-45-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-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@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/fbdev/ssd1307fb.c | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-) diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c index df9c63a..ed9a115 100644 --- a/drivers/video/fbdev/ssd1307fb.c +++ b/drivers/video/fbdev/ssd1307fb.c @@ -289,6 +289,8 @@ static int ssd1307fb_init(struct ssd1307fb_par *par) struct pwm_args pargs = { }; if (par->device_info->need_pwm) { + struct pwm_state pstate; + par->pwm = pwm_get(&par->client->dev, NULL); if (IS_ERR(par->pwm)) { dev_err(&par->client->dev, "Could not get PWM from device tree!\n"); @@ -296,10 +298,14 @@ static int ssd1307fb_init(struct ssd1307fb_par *par) } pwm_get_args(par->pwm, &pargs); + pwm_get_state(par->pwm, &pstate); par->pwm_period = pargs.period; + /* Enable the PWM */ - pwm_config(par->pwm, par->pwm_period / 2, par->pwm_period); - pwm_enable(par->pwm); + pstate.period = pargs.period; + pstate.duty_cycle = pstate.period / 2; + pstate.enabled = true; + pwm_apply_state(par->pwm, &pstate); dev_dbg(&par->client->dev, "Using PWM%d with a %dns period.\n", par->pwm->pwm, par->pwm_period); @@ -685,8 +691,12 @@ static int ssd1307fb_probe(struct i2c_client *client, bl_init_error: unregister_framebuffer(info); panel_init_error: - if (par->device_info->need_pwm) { - pwm_disable(par->pwm); + if (par->device_info->need_pwm && par->pwm) { + struct pwm_state pstate; + + pwm_get_state(par->pwm, &pstate); + pstate.enabled = false; + pwm_apply_state(par->pwm, &pstate); pwm_put(par->pwm); }; reset_oled_error: @@ -707,7 +717,11 @@ static int ssd1307fb_remove(struct i2c_client *client) unregister_framebuffer(info); if (par->device_info->need_pwm) { - pwm_disable(par->pwm); + struct pwm_state pstate; + + pwm_get_state(par->pwm, &pstate); + pstate.enabled = false; + pwm_apply_state(par->pwm, &pstate); pwm_put(par->pwm); }; fb_deferred_io_cleanup(info);