From patchwork Mon Feb 19 23:11:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Weiss X-Patchwork-Id: 13563207 Received: from ahti.lucaweiss.eu (ahti.lucaweiss.eu [128.199.32.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 75F2150A87; Mon, 19 Feb 2024 23:11:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=128.199.32.197 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708384309; cv=none; b=e1rBNxLpjw/FoM3qHwavpH5NHUAs/iA9zYmhv9qd+6fll1+WSnb9f86Y2QAgkjT/K6Lsvgu0PVGQ9KMoe1ripwLiMr/qQluI0w2RCdvuWZZgUxMUdoo/LDJ6uviFsq0kaDXvFUCJNvElevBJdFyD0xRmEPn4KA0LnsKj3RBqr0k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708384309; c=relaxed/simple; bh=O9YMNtZsdJs0ZoYFcgO+aLhFGygFWBl09MvW27EqzNs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=tZomJVfBYPP5M4fof++vyajDGPCAtfJBSMqcWbnupOYrHdAYH1Hjq1cIqG+/T+WVvii6uq9+sfwM0z+L4ZlvBl9nDTxzKrpiqNSESZPsnRHG3ABBOfR/jQ2OoVT68XTw7VKw0XETMlqlrPJreHIfKJoeyqpnqCTOQ0+C6jlFMWM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=z3ntu.xyz; spf=pass smtp.mailfrom=z3ntu.xyz; dkim=pass (1024-bit key) header.d=z3ntu.xyz header.i=@z3ntu.xyz header.b=5PP/5MQS; arc=none smtp.client-ip=128.199.32.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=z3ntu.xyz Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=z3ntu.xyz Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=z3ntu.xyz header.i=@z3ntu.xyz header.b="5PP/5MQS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=z3ntu.xyz; s=s1; t=1708384299; bh=O9YMNtZsdJs0ZoYFcgO+aLhFGygFWBl09MvW27EqzNs=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=5PP/5MQS/NZGiSIhjFC+hhb796yKqY9eIf/WVyc816zMf/ybvf5bZWh5Z/4fcd9bz 0JHM5PQoWge37lkmPN1ge30RyJwWZo96ZcIC2nXFRPLOw7makclHCprFkVWtrk5wZF 3u3qNriw4SDgdMI7C/j6IQyqU42dMGQOsn19HxMc= From: Luca Weiss Date: Tue, 20 Feb 2024 00:11:19 +0100 Subject: [PATCH 1/4] backlight: lm3630a: Initialize backlight_properties on init Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240220-lm3630a-fixups-v1-1-9ca62f7e4a33@z3ntu.xyz> References: <20240220-lm3630a-fixups-v1-0-9ca62f7e4a33@z3ntu.xyz> In-Reply-To: <20240220-lm3630a-fixups-v1-0-9ca62f7e4a33@z3ntu.xyz> To: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, Lee Jones , Daniel Thompson , Jingoo Han , Helge Deller , Andrew Morton , "G.Shark Jeong" , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maximilian Weigand Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, Luca Weiss X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=910; i=luca@z3ntu.xyz; h=from:subject:message-id; bh=O9YMNtZsdJs0ZoYFcgO+aLhFGygFWBl09MvW27EqzNs=; b=owEBbQKS/ZANAwAIAXLYQ7idTddWAcsmYgBl0+AmkPMYimxC9RpcBH7pJ2gK7RCa2Jy2ieylP OpvmUPTil+JAjMEAAEIAB0WIQQ5utIvCCzakboVj/py2EO4nU3XVgUCZdPgJgAKCRBy2EO4nU3X VtkcD/9fwi4fxP0SycQ4dCjxctRHRSvDpH+GAoMyZ3M2g1/fwAEId+gPCE0mNaE0WONLGs32pqs o9AhRwC8QFTC0XMOZ1gRGUTgmmf4a3v4o/c+SVJw6R/0IRIRbRdUatb0RnJpUTcGyuXtF7+wwsh la5IqIgdBfyWc3Uh7yFXeaNzYmg2J47uQDmlSPFcKcnWkM05dbSfz1chi5i75b/gta7zo43KRAI tAtJNP5v8JjQiEwun/g3l17xiD/mjr2W47NOlISG4DknjP55c59b5ExD4l+NyjLbQA840nLQJZd 1W7I6Rz8x62p9slPWIAP3S7vDfArGCSZLU8YXWTZmROecRPQtGK/O0/JT4CYmLcuSD9snO5wPJI fXvxAmJXVeSC6FUII9yl6DkbDx78lzoVW6hrTb4O+EypMiMcdtNR7IM/NE2EDb8XRHBH6tSE3RZ v1KrCIFsDxvSL2eC5h5ddBRWNlc3DcNPP6qA0oXx26OjnFiFKcx1xiUUsb6qRYpi4aRnq/E8Xud LIo2YJkvNZKlfS9mDaXzwm58i6h8p4t+tj9g3d9ZaNTdPZt1pYtQ6ligvuLquiSSRvDa7NFhhHT VRxoEokazRn4Ivwzl/tAkulw+DIj2j+olzz6++dEeHA8TndVUORUpynWm7Z3AvH4S04Js4ah4SF wPwvHdfGVGWWKRg== X-Developer-Key: i=luca@z3ntu.xyz; a=openpgp; fpr=BD04DA24C971B8D587B2B8D7FAF69CF6CD2D02CD The backlight_properties struct should be initialized to zero before using, otherwise there will be some random values in the struct. Fixes: 0c2a665a648e ("backlight: add Backlight driver for lm3630 chip") Signed-off-by: Luca Weiss Reviewed-by: Daniel Thompson --- drivers/video/backlight/lm3630a_bl.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c index a3412c936ca2..8e275275b808 100644 --- a/drivers/video/backlight/lm3630a_bl.c +++ b/drivers/video/backlight/lm3630a_bl.c @@ -343,6 +343,7 @@ static int lm3630a_backlight_register(struct lm3630a_chip *pchip) struct backlight_properties props; const char *label; + memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; if (pdata->leda_ctrl != LM3630A_LEDA_DISABLE) { props.brightness = pdata->leda_init_brt;