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[158.248.194.18]) by smtp.gmail.com with ESMTPSA id w17sm5644188lfn.22.2019.12.07.06.04.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Dec 2019 06:04:38 -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 16/25] drm/panel: raydium-rm68200: use drm_panel backlight support Date: Sat, 7 Dec 2019 15:03:44 +0100 Message-Id: <20191207140353.23967-17-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 --- drivers/gpu/drm/panel/panel-raydium-rm68200.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-raydium-rm68200.c b/drivers/gpu/drm/panel/panel-raydium-rm68200.c index d6a03328e594..e8982948e0ea 100644 --- a/drivers/gpu/drm/panel/panel-raydium-rm68200.c +++ b/drivers/gpu/drm/panel/panel-raydium-rm68200.c @@ -6,9 +6,9 @@ * Yannick Fertre */ -#include #include #include +#include #include #include @@ -78,7 +78,6 @@ struct rm68200 { struct drm_panel panel; struct gpio_desc *reset_gpio; struct regulator *supply; - struct backlight_device *backlight; bool prepared; bool enabled; }; @@ -242,8 +241,6 @@ static int rm68200_disable(struct drm_panel *panel) if (!ctx->enabled) return 0; - backlight_disable(ctx->backlight); - ctx->enabled = false; return 0; @@ -328,8 +325,6 @@ static int rm68200_enable(struct drm_panel *panel) if (ctx->enabled) return 0; - backlight_enable(ctx->backlight); - ctx->enabled = true; return 0; @@ -392,10 +387,6 @@ static int rm68200_probe(struct mipi_dsi_device *dsi) return ret; } - ctx->backlight = devm_of_find_backlight(dev); - if (IS_ERR(ctx->backlight)) - return PTR_ERR(ctx->backlight); - mipi_dsi_set_drvdata(dsi, ctx); ctx->dev = dev; @@ -408,6 +399,10 @@ static int rm68200_probe(struct mipi_dsi_device *dsi) drm_panel_init(&ctx->panel, dev, &rm68200_drm_funcs, DRM_MODE_CONNECTOR_DSI); + ret = drm_panel_of_backlight(&ctx->panel); + if (ret) + return ret; + drm_panel_add(&ctx->panel); ret = mipi_dsi_attach(dsi);