From patchwork Sat Oct 23 13:48:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ma=C3=ADra_Canal?= X-Patchwork-Id: 12579623 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 023E2C433F5 for ; Sat, 23 Oct 2021 13:48:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DB88060FE3 for ; Sat, 23 Oct 2021 13:48:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230476AbhJWNvD (ORCPT ); Sat, 23 Oct 2021 09:51:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230452AbhJWNvD (ORCPT ); Sat, 23 Oct 2021 09:51:03 -0400 Received: from mail-ua1-x92a.google.com (mail-ua1-x92a.google.com [IPv6:2607:f8b0:4864:20::92a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 18A00C061766 for ; Sat, 23 Oct 2021 06:48:44 -0700 (PDT) Received: by mail-ua1-x92a.google.com with SMTP id o12so8956427uap.0 for ; Sat, 23 Oct 2021 06:48:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=usp.br; s=usp-google; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :content-transfer-encoding; bh=iX6cmvyeDuJOkrf+xUpE4t3ouX8J2Wth4BJQBEZvdC0=; b=PJeoeHi87FNVFRvOrlMgjLSB19zOHxvaqVaQoUrbBe4NYsqIzVz13D19jqP7YYPmwm bfOeMMKrEDvAySkNkHtCod8Valdbum9uQXv6b4ehR91WNPb5RyQHcNY21EqgWoAeml9C 1bFNYL6FXCBfcemkgqOhOGE3NdntABHsUYg3NTdi36gfFBk/ORKUVxzJnwhDISNtuEcg sK0Y0LIgTc+8oLv4H5GSpEnV67xHMeZV3OCAKSYuxVsQ2MO5QxQozKNP77ObQ8gJ1wAO ZO2LNyw8+Bex+C7bDFkZ4CqHqYmpMNq5XBOD0utmjYZigVejjziwpqx5ocw9i4Fzx+0X gKEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:content-transfer-encoding; bh=iX6cmvyeDuJOkrf+xUpE4t3ouX8J2Wth4BJQBEZvdC0=; b=Q0Vt5HWbM/Qwdguj6Kq2i0/6iMNl3evuhk75ss5/4CoUnDppkhb+kk4q9PRaoO+4aH nIigqHR3pw6XTgNkFbR/ToM1d3NUxLs/KUh/Z2gT9QzgBlaTxEbC4fBobaHgsoaWupZm a2ziuT1SoPDrcefJd7xT+Q6z9lT6VnbF9GO2KreY2ATAtfdWRMLlT3r9CFqdO5JsCc7e g7aIKtx3hnG7i4IVoGoE3zzAxrCYWLBCAFMbUkkUeX99qivJY0g6kuzRZdpSs1YZ2YIA bT4ccq5IyghiXbejeZQNHojkKD/7TKqLN1doaTCxRdjOa2BFp8b9anPqFs9W7++odAIU fiuQ== X-Gm-Message-State: AOAM5318KSlOTEJq9Ipa3r2C6QQVfQek8msZBYixNpTEBu51u479SgrZ 1/CLh+gVfpM+t9YrVjageFYB5Q== X-Google-Smtp-Source: ABdhPJwxdDl4z01c9F66VI9AyRP7pXIo6Ntzy4KZdke4zr3ikYJXWWXs5oUwbePIExZg4WIuUSkp0A== X-Received: by 2002:a67:ea0b:: with SMTP id g11mr6728954vso.2.1634996923166; Sat, 23 Oct 2021 06:48:43 -0700 (PDT) Received: from fedora ([187.64.134.142]) by smtp.gmail.com with ESMTPSA id m184sm6687249vsc.6.2021.10.23.06.48.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 23 Oct 2021 06:48:42 -0700 (PDT) Date: Sat, 23 Oct 2021 10:48:38 -0300 From: =?iso-8859-1?q?Ma=EDra?= Canal To: lee.jones@linaro.org, daniel.thompson@linaro.org, jingoohan1@gmail.com, thierry.reding@gmail.com Cc: u.kleine-koenig@pengutronix.de, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-pwm@vger.kernel.org Subject: [PATCH] backlight: lp855x: Switch to atomic PWM API Message-ID: MIME-Version: 1.0 Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Remove legacy PWM interface (pwm_config, pwm_enable, pwm_disable) and replace it for the atomic PWM API. Signed-off-by: Maíra Canal Reported-by: kernel test robot --- drivers/video/backlight/lp855x_bl.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c index e94932c69f54..dd63141a0d26 100644 --- a/drivers/video/backlight/lp855x_bl.c +++ b/drivers/video/backlight/lp855x_bl.c @@ -236,6 +236,7 @@ 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_device *pwm; + struct pwm_state state; /* request pwm device with the consumer name */ if (!lp->pwm) { @@ -244,19 +245,19 @@ static void lp855x_pwm_ctrl(struct lp855x *lp, int br, int max_br) return; lp->pwm = pwm; - - /* - * FIXME: pwm_apply_args() should be removed when switching to - * the atomic PWM API. - */ - pwm_apply_args(pwm); } - pwm_config(lp->pwm, duty, period); + pwm_init_state(pwm, &state); + + state.duty_cycle = duty; + state.period = period; + if (duty) - pwm_enable(lp->pwm); + state.enabled = true; else - pwm_disable(lp->pwm); + state.enabled = false; + + pwm_apply_state(pwm, &state); } static int lp855x_bl_update_status(struct backlight_device *bl)