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[158.248.194.18]) by smtp.gmail.com with ESMTPSA id w17sm5644188lfn.22.2019.12.07.06.04.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Dec 2019 06:04:42 -0800 (PST) From: Sam Ravnborg To: dri-devel@lists.freedesktop.org, Thierry Reding , Laurent Pinchart , Linus Walleij , Sam Ravnborg Subject: [PATCH v2 18/25] drm/panel: ronbo-rb070d30: use drm_panel backlight support Date: Sat, 7 Dec 2019 15:03:46 +0100 Message-Id: <20191207140353.23967-19-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191207_060444_645565_3DE3DB9C X-CRM114-Status: GOOD ( 12.21 ) X-Spam-Score: 0.4 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.4 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:244 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.2 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (sam.ravnborg[at]gmail.com) 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.2 FREEMAIL_FORGED_FROMDOMAIN 2nd level domains in From and EnvelopeFrom freemail headers are different X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Neil Armstrong , David Airlie , Stefan Agner , Andrzej Hajda , Benjamin Gaignard , linux-samsung-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, Tomi Valkeinen , Jagan Teki , NXP Linux Team , Jitao Shi , Pengutronix Kernel Team , Maarten Lankhorst , Maxime Ripard , linux-mediatek@lists.infradead.org, Abhinav Kumar , linux-tegra@vger.kernel.org, Sean Paul , linux-arm-kernel@lists.infradead.org, Purism Kernel Team , linux-renesas-soc@vger.kernel.org, Boris Brezillon , Daniel Vetter Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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 --- drivers/gpu/drm/panel/panel-ronbo-rb070d30.c | 19 +++---------------- 1 file changed, 3 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-ronbo-rb070d30.c b/drivers/gpu/drm/panel/panel-ronbo-rb070d30.c index 746a3a221100..ef18559e237e 100644 --- a/drivers/gpu/drm/panel/panel-ronbo-rb070d30.c +++ b/drivers/gpu/drm/panel/panel-ronbo-rb070d30.c @@ -7,7 +7,6 @@ * This file based on panel-ilitek-ili9881c.c */ -#include #include #include #include @@ -29,7 +28,6 @@ struct rb070d30_panel { struct drm_panel panel; struct mipi_dsi_device *dsi; - struct backlight_device *backlight; struct regulator *supply; struct { @@ -84,22 +82,13 @@ static int rb070d30_panel_enable(struct drm_panel *panel) if (ret) return ret; - ret = backlight_enable(ctx->backlight); - if (ret) - goto out; - return 0; - -out: - mipi_dsi_dcs_enter_sleep_mode(ctx->dsi); - return ret; } static int rb070d30_panel_disable(struct drm_panel *panel) { struct rb070d30_panel *ctx = panel_to_rb070d30_panel(panel); - backlight_disable(ctx->backlight); return mipi_dsi_dcs_enter_sleep_mode(ctx->dsi); } @@ -208,11 +197,9 @@ static int rb070d30_panel_dsi_probe(struct mipi_dsi_device *dsi) return PTR_ERR(ctx->gpios.shlr); } - ctx->backlight = devm_of_find_backlight(&dsi->dev); - if (IS_ERR(ctx->backlight)) { - DRM_DEV_ERROR(&dsi->dev, "Couldn't get our backlight\n"); - return PTR_ERR(ctx->backlight); - } + ret = drm_panel_of_backlight(&ctx->panel); + if (ret) + return ret; ret = drm_panel_add(&ctx->panel); if (ret < 0)