From patchwork Sat Dec 7 14:03:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Ravnborg X-Patchwork-Id: 11277475 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 92E65930 for ; Sat, 7 Dec 2019 14:04:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7263F24677 for ; Sat, 7 Dec 2019 14:04:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="dujt1IVs" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726469AbfLGOEu (ORCPT ); Sat, 7 Dec 2019 09:04:50 -0500 Received: from mail-lj1-f195.google.com ([209.85.208.195]:37762 "EHLO mail-lj1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726399AbfLGOEt (ORCPT ); Sat, 7 Dec 2019 09:04:49 -0500 Received: by mail-lj1-f195.google.com with SMTP id u17so10724329lja.4; Sat, 07 Dec 2019 06:04:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=hw0rPta+AA/XFBLEBOh9a+kLNOAcb6jsKbJs4LtSRgU=; b=dujt1IVs5McsvvCsS7c3G0D/mTHDXUMi51mW2f99aBVUYnNM0USN10IKau9DTLbIXD N0w1Bxp2ZJQY4VWNYQZf6FDQd51O3sGNhWrqkB3oiiorl2hyxenjXW8v4i4n6DjmTHyv TWUFLU2Ow2/imOgILveZLZKmvAdZgNY/Ts4dRuLUCXML6td1LGA3UNom6LzqQ6gCV+t5 gdcatQfkQ1WDpmFlbC+4HbLPGQ+gzXqkgVRKSHc9MEGkGFjFiZzolhPxEI5C3cKVent2 vdsdkW1wpeBn3ajpWNmRLDC2AQapSvlxsrHAwg/JfiHH2CzarAQZBYcSc6lVbsqE8Pzt DAZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=hw0rPta+AA/XFBLEBOh9a+kLNOAcb6jsKbJs4LtSRgU=; b=ZoCcwxpdLrIDD8NTx6YbRvVMPIxVOIgyUtBnvATu+QxSozh/VQErqzqgAV1WK18Dx3 rSrBNcB6yPFwQOacZqm4GRnIbcKkpm1QcNdjwK+F6wr8ryTGnFW4GykL7FYH9ULzM93X kTCY+rTNYGpROJBZoMiFdSQv6/3ziM6cYe1tJ+Feqc7mr1OU+/kVCjdK9ln7a/uMSd+q w+dHBdD1ePWoy0R6Fiwf/b/bf1zrdd23NQlNxazCiXiAz2uGcrc6a7W7Vn5eefJ1MCu0 PcTa8GtoLYVALxvo97N+jrv4x3BOiJ9baHqLazrlhdadcca4H+4mSLItdVUJb0CqrbyM u9rw== X-Gm-Message-State: APjAAAUUhSunaXY/taqyyHYAxC97brGTqMMdX28TIingt4sI2HVoFKY4 hrtqT/wbrOcQZkGzAv7aAbY= X-Google-Smtp-Source: APXvYqyWqS/UYClZRuV+PVSMCxa4dLKzGzQrOw/21c5lNjINDm39XRuZVV8pygqFWhwuQDk08wN9Sw== X-Received: by 2002:a2e:b017:: with SMTP id y23mr11611110ljk.229.1575727487602; Sat, 07 Dec 2019 06:04:47 -0800 (PST) Received: from saturn.lan (18.158-248-194.customer.lyse.net. [158.248.194.18]) by smtp.gmail.com with ESMTPSA id w17sm5644188lfn.22.2019.12.07.06.04.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Dec 2019 06:04:47 -0800 (PST) From: Sam Ravnborg To: dri-devel@lists.freedesktop.org, Thierry Reding , Laurent Pinchart , Linus Walleij , Sam Ravnborg Cc: Abhinav Kumar , Andrzej Hajda , Benjamin Gaignard , Boris Brezillon , Daniel Vetter , David Airlie , Jagan Teki , Jitao Shi , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org, Maarten Lankhorst , Maxime Ripard , Neil Armstrong , NXP Linux Team , Pengutronix Kernel Team , Purism Kernel Team , Sean Paul , Stefan Agner , Tomi Valkeinen Subject: [PATCH v2 21/25] drm/panel: sharp-ls043t1le01: use drm_panel backlight support Date: Sat, 7 Dec 2019 15:03:49 +0100 Message-Id: <20191207140353.23967-22-sam@ravnborg.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191207140353.23967-1-sam@ravnborg.org> References: <20191207140353.23967-1-sam@ravnborg.org> MIME-Version: 1.0 Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Use the backlight support in drm_panel to simplify the driver Signed-off-by: Sam Ravnborg Reviewed-by: Laurent Pinchart Cc: Thierry Reding Cc: Sam Ravnborg --- .../gpu/drm/panel/panel-sharp-ls043t1le01.c | 20 +++++++------------ 1 file changed, 7 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c index 7995cf5a9fc4..b60c4db1ed6d 100644 --- a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c +++ b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c @@ -7,7 +7,6 @@ * Based on AUO panel driver by Rob Clark */ -#include #include #include #include @@ -25,7 +24,6 @@ struct sharp_nt_panel { struct drm_panel base; struct mipi_dsi_device *dsi; - struct backlight_device *backlight; struct regulator *supply; struct gpio_desc *reset_gpio; @@ -107,8 +105,6 @@ static int sharp_nt_panel_disable(struct drm_panel *panel) if (!sharp_nt->enabled) return 0; - backlight_disable(sharp_nt->backlight); - sharp_nt->enabled = false; return 0; @@ -190,8 +186,6 @@ static int sharp_nt_panel_enable(struct drm_panel *panel) if (sharp_nt->enabled) return 0; - backlight_enable(sharp_nt->backlight); - sharp_nt->enabled = true; return 0; @@ -244,6 +238,7 @@ static const struct drm_panel_funcs sharp_nt_panel_funcs = { static int sharp_nt_panel_add(struct sharp_nt_panel *sharp_nt) { struct device *dev = &sharp_nt->dsi->dev; + int ret; sharp_nt->mode = &default_mode; @@ -260,14 +255,13 @@ static int sharp_nt_panel_add(struct sharp_nt_panel *sharp_nt) gpiod_set_value(sharp_nt->reset_gpio, 0); } - sharp_nt->backlight = devm_of_find_backlight(dev); - - if (IS_ERR(sharp_nt->backlight)) - return PTR_ERR(sharp_nt->backlight); - drm_panel_init(&sharp_nt->base, &sharp_nt->dsi->dev, &sharp_nt_panel_funcs, DRM_MODE_CONNECTOR_DSI); + ret = drm_panel_of_backlight(&sharp_nt->base); + if (ret) + return ret; + return drm_panel_add(&sharp_nt->base); } @@ -309,7 +303,7 @@ static int sharp_nt_panel_remove(struct mipi_dsi_device *dsi) struct sharp_nt_panel *sharp_nt = mipi_dsi_get_drvdata(dsi); int ret; - ret = sharp_nt_panel_disable(&sharp_nt->base); + ret = drm_panel_disable(&sharp_nt->base); if (ret < 0) dev_err(&dsi->dev, "failed to disable panel: %d\n", ret); @@ -326,7 +320,7 @@ static void sharp_nt_panel_shutdown(struct mipi_dsi_device *dsi) { struct sharp_nt_panel *sharp_nt = mipi_dsi_get_drvdata(dsi); - sharp_nt_panel_disable(&sharp_nt->base); + drm_panel_disable(&sharp_nt->base); } static const struct of_device_id sharp_nt_of_match[] = {