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[158.248.194.18]) by smtp.gmail.com with ESMTPSA id g13sm79482lfb.74.2019.12.02.11.33.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Dec 2019 11:33:25 -0800 (PST) From: Sam Ravnborg To: dri-devel@lists.freedesktop.org, Thierry Reding , Laurent Pinchart Subject: [PATCH v1 11/26] drm/panel: innolux-p079zca: use drm_panel backlight support Date: Mon, 2 Dec 2019 20:32:15 +0100 Message-Id: <20191202193230.21310-12-sam@ravnborg.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191202193230.21310-1-sam@ravnborg.org> References: <20191202193230.21310-1-sam@ravnborg.org> MIME-Version: 1.0 X-Mailman-Original-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=Cxn0Dcc3ud33ZBWmj1R8mFjw49Jkrh1PBlMx23F/Da8=; b=qLmPiWAobxUJw64smnCCOogyLzv7N8HXUOD52nBOHcR1TbPQWz2CjYMaJeV9hZxMFp IhWr7KlnrQcRyiWqkQcP/lO7bfilF2ldyM2yoCfL+Q7ZsS9U15XSasotNs3SmwowTNHD X88J9ufOwalKfq2JTZrtLQn19ZukH2S+PVaIi/Rjvl1vT+JwcieCQUGRUXkOXySRQm6g JEsBt9jRS2lKLzVVxfkEWHko76+T+y2P5ZsWwY1QfVcXWBsQB7ZQfBD18vTommfNs6/h lZJSs9I6X9WB28WLqTUZhd9cw1wIcWJ151gIqbrWpe7y3D5gdKBHo+L/0QP6i0MFFOyd OTXg== X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Neil Armstrong , David Airlie , Sam Ravnborg , linux-samsung-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, Tomi Valkeinen , Jagan Teki , NXP Linux Team , Jitao Shi , Pengutronix Kernel Team , 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 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Use the backlight support in drm_panel to simplify the driver Signed-off-by: Sam Ravnborg Cc: Thierry Reding Cc: Sam Ravnborg --- drivers/gpu/drm/panel/panel-innolux-p079zca.c | 28 ++++++------------- 1 file changed, 8 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c index b9de37a8a0c5..7419f1f0acee 100644 --- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c +++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c @@ -3,7 +3,6 @@ * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd */ -#include #include #include #include @@ -52,7 +51,6 @@ struct innolux_panel { struct mipi_dsi_device *link; const struct panel_desc *desc; - struct backlight_device *backlight; struct regulator_bulk_data *supplies; struct gpio_desc *enable_gpio; @@ -72,8 +70,6 @@ static int innolux_panel_disable(struct drm_panel *panel) if (!innolux->enabled) return 0; - backlight_disable(innolux->backlight); - innolux->enabled = false; return 0; @@ -204,18 +200,10 @@ static int innolux_panel_prepare(struct drm_panel *panel) static int innolux_panel_enable(struct drm_panel *panel) { struct innolux_panel *innolux = to_innolux_panel(panel); - int ret; if (innolux->enabled) return 0; - ret = backlight_enable(innolux->backlight); - if (ret) { - DRM_DEV_ERROR(panel->dev, - "Failed to enable backlight %d\n", ret); - return ret; - } - innolux->enabled = true; return 0; @@ -482,13 +470,13 @@ static int innolux_panel_add(struct mipi_dsi_device *dsi, innolux->enable_gpio = NULL; } - innolux->backlight = devm_of_find_backlight(dev); - if (IS_ERR(innolux->backlight)) - return PTR_ERR(innolux->backlight); - drm_panel_init(&innolux->base, dev, &innolux_panel_funcs, DRM_MODE_CONNECTOR_DSI); + err = drm_panel_of_backlight(&innolux->base); + if (err) + return err; + err = drm_panel_add(&innolux->base); if (err < 0) return err; @@ -526,12 +514,12 @@ static int innolux_panel_remove(struct mipi_dsi_device *dsi) struct innolux_panel *innolux = mipi_dsi_get_drvdata(dsi); int err; - err = innolux_panel_unprepare(&innolux->base); + err = drm_panel_unprepare(&innolux->base); if (err < 0) DRM_DEV_ERROR(&dsi->dev, "failed to unprepare panel: %d\n", err); - err = innolux_panel_disable(&innolux->base); + err = drm_panel_disable(&innolux->base); if (err < 0) DRM_DEV_ERROR(&dsi->dev, "failed to disable panel: %d\n", err); @@ -549,8 +537,8 @@ static void innolux_panel_shutdown(struct mipi_dsi_device *dsi) { struct innolux_panel *innolux = mipi_dsi_get_drvdata(dsi); - innolux_panel_unprepare(&innolux->base); - innolux_panel_disable(&innolux->base); + drm_panel_unprepare(&innolux->base); + drm_panel_disable(&innolux->base); } static struct mipi_dsi_driver innolux_panel_driver = {