From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932219AbcC3UGV (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 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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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); -- 2.5.0