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([2a01:e0a:982:cbb0:65eb:d140:2d45:ee85]) by smtp.gmail.com with ESMTPSA id u13-20020a5d514d000000b0030e56a9ff25sm30867700wrt.31.2023.07.05.06.57.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 05 Jul 2023 06:57:11 -0700 (PDT) Message-ID: <194ac047-b20e-04c1-1d96-67cc483bb4a1@linaro.org> Date: Wed, 5 Jul 2023 15:57:11 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 From: Neil Armstrong Reply-To: neil.armstrong@linaro.org Subject: Re: [PATCH 2/3] drm/panel: ld9040: Register a backlight device Content-Language: en-US To: Paul Cercueil , Krzysztof Kozlowski , Rob Herring , Conor Dooley , Alim Akhtar , Sam Ravnborg Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org References: <20230703214715.623447-1-paul@crapouillou.net> <20230703214715.623447-3-paul@crapouillou.net> Organization: Linaro Developer Services In-Reply-To: <20230703214715.623447-3-paul@crapouillou.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/07/2023 23:47, Paul Cercueil wrote: > Register a backlight device to be able to switch between all the gamma > levels. > > Signed-off-by: Paul Cercueil > --- > drivers/gpu/drm/panel/panel-samsung-ld9040.c | 40 ++++++++++++++++++++ > 1 file changed, 40 insertions(+) > > diff --git a/drivers/gpu/drm/panel/panel-samsung-ld9040.c b/drivers/gpu/drm/panel/panel-samsung-ld9040.c > index 7fd9444b42c5..b4f87d6244cb 100644 > --- a/drivers/gpu/drm/panel/panel-samsung-ld9040.c > +++ b/drivers/gpu/drm/panel/panel-samsung-ld9040.c > @@ -8,6 +8,7 @@ > * Andrzej Hajda > */ > > +#include > #include > #include > #include > @@ -311,8 +312,40 @@ static int ld9040_parse_dt(struct ld9040 *ctx) > return 0; > } > > +static int ld9040_bl_update_status(struct backlight_device *dev) > +{ > + struct ld9040 *ctx = dev_get_drvdata(&dev->dev); > + > + ctx->brightness = dev->props.brightness; > + ld9040_brightness_set(ctx); > + > + return 0; > +} > + > +static int ld9040_bl_get_intensity(struct backlight_device *dev) > +{ > + if (dev->props.fb_blank == FB_BLANK_UNBLANK && > + dev->props.power == FB_BLANK_UNBLANK) > + return dev->props.brightness; > + > + return 0; > +} You can totally drop the _get_brightness. Neil > + > +static const struct backlight_ops ld9040_bl_ops = { > + .get_brightness = ld9040_bl_get_intensity, > + .update_status = ld9040_bl_update_status, > +}; > + > +static const struct backlight_properties ld9040_bl_props = { > + .type = BACKLIGHT_RAW, > + .scale = BACKLIGHT_SCALE_NON_LINEAR, > + .max_brightness = ARRAY_SIZE(ld9040_gammas) - 1, > + .brightness = ARRAY_SIZE(ld9040_gammas) - 1, > +}; > + > static int ld9040_probe(struct spi_device *spi) > { > + struct backlight_device *bldev; > struct device *dev = &spi->dev; > struct ld9040 *ctx; > int ret; > @@ -354,6 +387,13 @@ static int ld9040_probe(struct spi_device *spi) > drm_panel_init(&ctx->panel, dev, &ld9040_drm_funcs, > DRM_MODE_CONNECTOR_DPI); > > + > + bldev = devm_backlight_device_register(dev, dev_name(dev), dev, > + ctx, &ld9040_bl_ops, > + &ld9040_bl_props); > + if (IS_ERR(bldev)) > + return PTR_ERR(bldev); > + > drm_panel_add(&ctx->panel); > > return 0; From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6A782EB64DA for ; Wed, 5 Jul 2023 13:57:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:Reply-To:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:References:Cc:To:Subject: From:MIME-Version:Date:Message-ID:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=yaGqBjOdyIknzOO0KG1ZWVsdy13gGUp7t1qpia9RO3g=; b=qNyCpv6YqKFUX7FO/Cpzahs0sX xvOD0t8vtjne7pH3vVsZIfQJhpu2PznLbBxY+PClj5gb0u/l/FrvE2x7Hkg4JeUD/mp5BM9ttyENp 4mWYYX2n5/QD6n5HDWO8bnZRLsTVwCI0cBHLXFj14lhUunalJ7ThfeEmYOvsR3yZPf6vZCpExRZUp E2BSiLfY+jsnkM/LIOy1ZUZXRURrnKzwIDPsJvx+dt4HscS71/YKy6uJcmd5ECgxrPcJ66ziqEnq9 N4PLKoqyoazOKsUe7JvWqJmEHWsMtaetgfRKrz2419Hzgc2aCRo3kVjHsp/iuXct1zmckMsneK5WN 4+HorwIQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qH30P-00G3mC-2u; Wed, 05 Jul 2023 13:57:17 +0000 Received: from mail-wr1-x42e.google.com ([2a00:1450:4864:20::42e]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qH30N-00G3lo-2j for linux-arm-kernel@lists.infradead.org; Wed, 05 Jul 2023 13:57:17 +0000 Received: by mail-wr1-x42e.google.com with SMTP id ffacd0b85a97d-3113da5260dso7339146f8f.2 for ; Wed, 05 Jul 2023 06:57:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1688565432; x=1691157432; h=content-transfer-encoding:in-reply-to:organization:references:cc:to :content-language:subject:reply-to:from:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=vpsssEPmpajsdnttO+o6S0QxmmSISUMu1xjEBKdnavk=; b=fD71TGTj9jsY0UXWe1YPxNQrgKHIBCFFVo4LqQx2+K/2cTGPHFlq79aRE47A/ZItFd 6XyygQZ/vXwtQNJX/HTbSduyvXmSH7sf3x9GybmS2clBIMBvzCcZZczmmdTWoyV4YBSE 4aFq6AHV7zb/rZhvTIPupJCK11S2uKUYJAXZ7YgSAimNCxydK1GV11RehdCt9EZ9LhtI kfnQC2YWcqFqm26EjEVrHpiAWiJhgTrOHFIbcrxTZ0x0p5D4CoxxnAc9hRYpa+3Fr538 zmoRXKtxuk06B74XQLvcgaF+XsMlKgfAHf+P675k5wTM7jKYX/9SbO2ZtiYdjsiZq9nH AAbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688565432; x=1691157432; h=content-transfer-encoding:in-reply-to:organization:references:cc:to :content-language:subject:reply-to:from:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=vpsssEPmpajsdnttO+o6S0QxmmSISUMu1xjEBKdnavk=; b=H9Md0SKiEjmjjXozqBj+QgDGqXrIJsIgaz5b2JvtzkUb7HFmw4FYOJVZ10zenEaspP PEMtR20mXyaIyRm2pvy60DwXllkFMsFp8+Q1LESvjw7/PtGgKUX6N6Dn3X1vmu7DzUUl jR3Ng2IEO15QvMSuTTm7TJIx7xPflYxb0wk2OQ7GEU4IinyTLiOhfPyB9Cq6G9pQrHQX YKS3y/9K/l/nr6tAJwpJOmDQ0a7bT8G+8fqZciTSXpuGIY30QHXEIGhNwJoA+VZJ6KNV vp1gbUraQP/32+NSrpLUcHSnS92x2GLgXNt8rgkxNVxbyRLstKgNwEDuIMxBZzducxtZ 0H3w== X-Gm-Message-State: ABy/qLals4F5G8s3g6xXSFVGCnhjDaMkSMfMj0QFPzkEEw5mxsSotUcn Zn67Iie8sF00ZP3piM/gmAnK7g== X-Google-Smtp-Source: APBJJlH2dsA5o6+F7TnmKCeRS52ZywTNpTZxfxsv8glLGMhJN/IETOKgQmhOy4erRIAKsJmydhhq3g== X-Received: by 2002:a5d:452f:0:b0:314:35c2:c4aa with SMTP id j15-20020a5d452f000000b0031435c2c4aamr7986708wra.8.1688565432505; Wed, 05 Jul 2023 06:57:12 -0700 (PDT) Received: from ?IPV6:2a01:e0a:982:cbb0:65eb:d140:2d45:ee85? ([2a01:e0a:982:cbb0:65eb:d140:2d45:ee85]) by smtp.gmail.com with ESMTPSA id u13-20020a5d514d000000b0030e56a9ff25sm30867700wrt.31.2023.07.05.06.57.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 05 Jul 2023 06:57:11 -0700 (PDT) Message-ID: <194ac047-b20e-04c1-1d96-67cc483bb4a1@linaro.org> Date: Wed, 5 Jul 2023 15:57:11 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 From: Neil Armstrong Subject: Re: [PATCH 2/3] drm/panel: ld9040: Register a backlight device Content-Language: en-US To: Paul Cercueil , Krzysztof Kozlowski , Rob Herring , Conor Dooley , Alim Akhtar , Sam Ravnborg Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org References: <20230703214715.623447-1-paul@crapouillou.net> <20230703214715.623447-3-paul@crapouillou.net> Organization: Linaro Developer Services In-Reply-To: <20230703214715.623447-3-paul@crapouillou.net> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230705_065715_931426_522A91D3 X-CRM114-Status: GOOD ( 20.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: neil.armstrong@linaro.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 03/07/2023 23:47, Paul Cercueil wrote: > Register a backlight device to be able to switch between all the gamma > levels. > > Signed-off-by: Paul Cercueil > --- > drivers/gpu/drm/panel/panel-samsung-ld9040.c | 40 ++++++++++++++++++++ > 1 file changed, 40 insertions(+) > > diff --git a/drivers/gpu/drm/panel/panel-samsung-ld9040.c b/drivers/gpu/drm/panel/panel-samsung-ld9040.c > index 7fd9444b42c5..b4f87d6244cb 100644 > --- a/drivers/gpu/drm/panel/panel-samsung-ld9040.c > +++ b/drivers/gpu/drm/panel/panel-samsung-ld9040.c > @@ -8,6 +8,7 @@ > * Andrzej Hajda > */ > > +#include > #include > #include > #include > @@ -311,8 +312,40 @@ static int ld9040_parse_dt(struct ld9040 *ctx) > return 0; > } > > +static int ld9040_bl_update_status(struct backlight_device *dev) > +{ > + struct ld9040 *ctx = dev_get_drvdata(&dev->dev); > + > + ctx->brightness = dev->props.brightness; > + ld9040_brightness_set(ctx); > + > + return 0; > +} > + > +static int ld9040_bl_get_intensity(struct backlight_device *dev) > +{ > + if (dev->props.fb_blank == FB_BLANK_UNBLANK && > + dev->props.power == FB_BLANK_UNBLANK) > + return dev->props.brightness; > + > + return 0; > +} You can totally drop the _get_brightness. Neil > + > +static const struct backlight_ops ld9040_bl_ops = { > + .get_brightness = ld9040_bl_get_intensity, > + .update_status = ld9040_bl_update_status, > +}; > + > +static const struct backlight_properties ld9040_bl_props = { > + .type = BACKLIGHT_RAW, > + .scale = BACKLIGHT_SCALE_NON_LINEAR, > + .max_brightness = ARRAY_SIZE(ld9040_gammas) - 1, > + .brightness = ARRAY_SIZE(ld9040_gammas) - 1, > +}; > + > static int ld9040_probe(struct spi_device *spi) > { > + struct backlight_device *bldev; > struct device *dev = &spi->dev; > struct ld9040 *ctx; > int ret; > @@ -354,6 +387,13 @@ static int ld9040_probe(struct spi_device *spi) > drm_panel_init(&ctx->panel, dev, &ld9040_drm_funcs, > DRM_MODE_CONNECTOR_DPI); > > + > + bldev = devm_backlight_device_register(dev, dev_name(dev), dev, > + ctx, &ld9040_bl_ops, > + &ld9040_bl_props); > + if (IS_ERR(bldev)) > + return PTR_ERR(bldev); > + > drm_panel_add(&ctx->panel); > > return 0; _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A457EEB64DA for ; Wed, 5 Jul 2023 13:57:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D0CC710E1B6; Wed, 5 Jul 2023 13:57:16 +0000 (UTC) Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by gabe.freedesktop.org (Postfix) with ESMTPS id C9F0F10E1B6 for ; Wed, 5 Jul 2023 13:57:14 +0000 (UTC) Received: by mail-wr1-x431.google.com with SMTP id ffacd0b85a97d-31441bc0092so1705842f8f.1 for ; Wed, 05 Jul 2023 06:57:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1688565432; x=1691157432; h=content-transfer-encoding:in-reply-to:organization:references:cc:to :content-language:subject:reply-to:from:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=vpsssEPmpajsdnttO+o6S0QxmmSISUMu1xjEBKdnavk=; b=fD71TGTj9jsY0UXWe1YPxNQrgKHIBCFFVo4LqQx2+K/2cTGPHFlq79aRE47A/ZItFd 6XyygQZ/vXwtQNJX/HTbSduyvXmSH7sf3x9GybmS2clBIMBvzCcZZczmmdTWoyV4YBSE 4aFq6AHV7zb/rZhvTIPupJCK11S2uKUYJAXZ7YgSAimNCxydK1GV11RehdCt9EZ9LhtI kfnQC2YWcqFqm26EjEVrHpiAWiJhgTrOHFIbcrxTZ0x0p5D4CoxxnAc9hRYpa+3Fr538 zmoRXKtxuk06B74XQLvcgaF+XsMlKgfAHf+P675k5wTM7jKYX/9SbO2ZtiYdjsiZq9nH AAbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688565432; x=1691157432; h=content-transfer-encoding:in-reply-to:organization:references:cc:to :content-language:subject:reply-to:from:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=vpsssEPmpajsdnttO+o6S0QxmmSISUMu1xjEBKdnavk=; b=BrAgAq8ErsozKINALdrDvDmbhl1RSmIOda3fMmKWdaCFN9zENAlWZsv6JsV9oUYZpY IlMzqW1FuyBL97YM77OXkuGbm2hyrOcwlXLmAfpaYRavgFBkgsOYSt/EP9m4vnpm0KEb Ex2f0xxQPFJvefUjy22U65f/UyGLl+LWI+kkus474VWoWGKdUEsw4eOegakEFc2xRj36 p11Ra83VfmNeExvquNaZReFIZ+7rCnkUdYP6MMTVBG/PGIkLwifNXwq6hBRCJgK7d4Jv VpNwMS5cue5RmaiHZWweC4c4/D5Yt8h1gS+AWyifSRLySdvLqo5xAx4mbXCzg1o3uWO3 VN6Q== X-Gm-Message-State: ABy/qLb7mWC1ik2b6pvPDIISP8eC+BoSS8JV1N4Q0T/E8CTuG5uMnl2b i5PuU5QmMkuhFHrHZbxmP55L9A== X-Google-Smtp-Source: APBJJlH2dsA5o6+F7TnmKCeRS52ZywTNpTZxfxsv8glLGMhJN/IETOKgQmhOy4erRIAKsJmydhhq3g== X-Received: by 2002:a5d:452f:0:b0:314:35c2:c4aa with SMTP id j15-20020a5d452f000000b0031435c2c4aamr7986708wra.8.1688565432505; Wed, 05 Jul 2023 06:57:12 -0700 (PDT) Received: from ?IPV6:2a01:e0a:982:cbb0:65eb:d140:2d45:ee85? ([2a01:e0a:982:cbb0:65eb:d140:2d45:ee85]) by smtp.gmail.com with ESMTPSA id u13-20020a5d514d000000b0030e56a9ff25sm30867700wrt.31.2023.07.05.06.57.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 05 Jul 2023 06:57:11 -0700 (PDT) Message-ID: <194ac047-b20e-04c1-1d96-67cc483bb4a1@linaro.org> Date: Wed, 5 Jul 2023 15:57:11 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 From: Neil Armstrong Subject: Re: [PATCH 2/3] drm/panel: ld9040: Register a backlight device Content-Language: en-US To: Paul Cercueil , Krzysztof Kozlowski , Rob Herring , Conor Dooley , Alim Akhtar , Sam Ravnborg References: <20230703214715.623447-1-paul@crapouillou.net> <20230703214715.623447-3-paul@crapouillou.net> Organization: Linaro Developer Services In-Reply-To: <20230703214715.623447-3-paul@crapouillou.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: neil.armstrong@linaro.org Cc: devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 03/07/2023 23:47, Paul Cercueil wrote: > Register a backlight device to be able to switch between all the gamma > levels. > > Signed-off-by: Paul Cercueil > --- > drivers/gpu/drm/panel/panel-samsung-ld9040.c | 40 ++++++++++++++++++++ > 1 file changed, 40 insertions(+) > > diff --git a/drivers/gpu/drm/panel/panel-samsung-ld9040.c b/drivers/gpu/drm/panel/panel-samsung-ld9040.c > index 7fd9444b42c5..b4f87d6244cb 100644 > --- a/drivers/gpu/drm/panel/panel-samsung-ld9040.c > +++ b/drivers/gpu/drm/panel/panel-samsung-ld9040.c > @@ -8,6 +8,7 @@ > * Andrzej Hajda > */ > > +#include > #include > #include > #include > @@ -311,8 +312,40 @@ static int ld9040_parse_dt(struct ld9040 *ctx) > return 0; > } > > +static int ld9040_bl_update_status(struct backlight_device *dev) > +{ > + struct ld9040 *ctx = dev_get_drvdata(&dev->dev); > + > + ctx->brightness = dev->props.brightness; > + ld9040_brightness_set(ctx); > + > + return 0; > +} > + > +static int ld9040_bl_get_intensity(struct backlight_device *dev) > +{ > + if (dev->props.fb_blank == FB_BLANK_UNBLANK && > + dev->props.power == FB_BLANK_UNBLANK) > + return dev->props.brightness; > + > + return 0; > +} You can totally drop the _get_brightness. Neil > + > +static const struct backlight_ops ld9040_bl_ops = { > + .get_brightness = ld9040_bl_get_intensity, > + .update_status = ld9040_bl_update_status, > +}; > + > +static const struct backlight_properties ld9040_bl_props = { > + .type = BACKLIGHT_RAW, > + .scale = BACKLIGHT_SCALE_NON_LINEAR, > + .max_brightness = ARRAY_SIZE(ld9040_gammas) - 1, > + .brightness = ARRAY_SIZE(ld9040_gammas) - 1, > +}; > + > static int ld9040_probe(struct spi_device *spi) > { > + struct backlight_device *bldev; > struct device *dev = &spi->dev; > struct ld9040 *ctx; > int ret; > @@ -354,6 +387,13 @@ static int ld9040_probe(struct spi_device *spi) > drm_panel_init(&ctx->panel, dev, &ld9040_drm_funcs, > DRM_MODE_CONNECTOR_DPI); > > + > + bldev = devm_backlight_device_register(dev, dev_name(dev), dev, > + ctx, &ld9040_bl_ops, > + &ld9040_bl_props); > + if (IS_ERR(bldev)) > + return PTR_ERR(bldev); > + > drm_panel_add(&ctx->panel); > > return 0;