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mx.microsoft.com 1; spf=none; dmarc=none; dkim=none; arc=none Received: from BY5PR02MB7009.namprd02.prod.outlook.com (2603:10b6:a03:236::13) by CH0PR02MB7899.namprd02.prod.outlook.com (2603:10b6:610:100::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5102.19; Wed, 30 Mar 2022 06:57:38 +0000 Received: from BY5PR02MB7009.namprd02.prod.outlook.com ([fe80::413f:bae6:4e5e:5ae6]) by BY5PR02MB7009.namprd02.prod.outlook.com ([fe80::413f:bae6:4e5e:5ae6%6]) with mapi id 15.20.5123.018; Wed, 30 Mar 2022 06:57:38 +0000 From: Joel Selvaraj To: Sumit Semwal , Thierry Reding , Sam Ravnborg , David Airlie , Daniel Vetter , Rob Herring , Andy Gross , Bjorn Andersson Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, Amit Pundir , Joel Selvaraj Subject: [PATCH 1/3] drm/panel: nt36672a: add backlight support Date: Wed, 30 Mar 2022 12:26:37 +0530 Message-ID: X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220330065639.245531-1-jo@jsfamily.in> References: <20220330065639.245531-1-jo@jsfamily.in> X-TMN: [IbgmfZI3PGm9lwBE05X5MKCeNC9tUKzi6UwtF/JvN0t9sjD3SCKTQyX/WclE6kTw] X-ClientProxiedBy: BM1PR0101CA0039.INDPRD01.PROD.OUTLOOK.COM (2603:1096:b00:1a::25) To BY5PR02MB7009.namprd02.prod.outlook.com (2603:10b6:a03:236::13) X-Microsoft-Original-Message-ID: <20220330065639.245531-2-jo@jsfamily.in> MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: d9ccd7a7-60f3-4050-1069-08da121a9384 X-MS-TrafficTypeDiagnostic: CH0PR02MB7899:EE_ X-Microsoft-Antispam: BCL:0; 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This panel supports backlight control through the QCOM WLED driver in Xiaomi Poco F1 device. Signed-off-by: Joel Selvaraj --- drivers/gpu/drm/panel/panel-novatek-nt36672a.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36672a.c b/drivers/gpu/drm/panel/panel-novatek-nt36672a.c index 231f371901e8..6d6ce42787e2 100644 --- a/drivers/gpu/drm/panel/panel-novatek-nt36672a.c +++ b/drivers/gpu/drm/panel/panel-novatek-nt36672a.c @@ -628,6 +628,10 @@ static int nt36672a_panel_add(struct nt36672a_panel *pinfo) drm_panel_init(&pinfo->base, dev, &panel_funcs, DRM_MODE_CONNECTOR_DSI); + ret = drm_panel_of_backlight(&pinfo->base); + if (ret) + return dev_err_probe(dev, ret, "Failed to get backlight\n"); + drm_panel_add(&pinfo->base); return 0;