From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f42.google.com (mail-ej1-f42.google.com [209.85.218.42]) (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 790FE3128DF for ; Sat, 6 Jun 2026 04:58:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.42 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780721924; cv=none; b=LeHEWvFIvfDtZKJs4/4i/sEEpLgVE90X5KuMWw3o8HtRBmtwj6fKbBLBjwJMnCIpKsl5dr6milmtL8g6Hq1+f2hJ4ghJgb0OL+3nQ9jBbf2/gUdC1STBHotb1L/s6LRhcjzEi+EQhZ1f+8kVB+PP6xzTymLwVXiV9Q5EqFzGzaM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780721924; c=relaxed/simple; bh=1X3Fe5KMAyI8d0lBSX7gzgdG4WYUQVZ8AWRde1CmRRg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XK9TmNJOwitElQVgyVAQfoM0PLhqUYk/KueIzKtCQwY+W97nkTT0lD6CLI4Md0xlJ8LOrnYuogww1X0PQc0IowL7npVNLF4J10hyFYesN5a65YllqAdKOtx/etG/8bAEyo+mgLRlxZBVutzZdJtvn5e3L3HFk+JAfauwx3chLd0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=WtSr6VpN; arc=none smtp.client-ip=209.85.218.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="WtSr6VpN" Received: by mail-ej1-f42.google.com with SMTP id a640c23a62f3a-bec429c2bb1so382389166b.1 for ; Fri, 05 Jun 2026 21:58:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1780721922; x=1781326722; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=tMzv/S8Y4Icyy6C4SSXqpDWOb9w1xnX2+g+CSvM++O4=; b=WtSr6VpNr5A1Ml2hGyJFaVqvyy6fxdgIFVLXIUFtW0YsU3e93OWG6eVDH8OYO/VAXH qnqlb2GvKyBGxF+ZNcPHtJeyGzapi/3lhMyI4yUHGvLA4eXjYkHd8e0xqptkOzsX+p8W lTXYexnL2obWiFIU7CJRXtRV8/QzFvPgR8ctCxYHSSwshvvUSOM06XPi6V+nd1FcmCMh P4s5eYoK/Js6UOp083Gw+pKhrJ6JBvWzgf/Q75tkU4sVMVkl420LeDTV2CBMiCNb5X2V KlJ+AW/m8Z4g7n99HixqijrLfpY9aaisaNNkmWbiziId9dTqjRv/aJzhQTAepwRJhyHf RCLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780721922; x=1781326722; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=tMzv/S8Y4Icyy6C4SSXqpDWOb9w1xnX2+g+CSvM++O4=; b=E3wW5aYgDQogJD/ENnARDaajFQFrpOYPBCmnZrWQLU/DJzV/mRIqnzkse2Q2/fjXoR td0gY7aSYg833Zl7HS0/uK+cGbiaVfC5iC9SpeuVEDrCbvnxSblNBvMS0ihF3fsAE0JX XMgKGKZDSv5VI4OKea2aemGYGlqRWKR5wzxTZt56A6UyCIBROJudoQjqyHAJc9fuE8Rp Nim7iiZsPdeMIPy1m0wu2CKy4JSuxTqWPrLVNtkp/Vlez8TuHuj0fs6mz10kE434CFs0 DB24SjHpCtkda/YGVJjzm2A29Bx/eFj1H+ukE7giEFQOxLBmrW1v5aRTfYoghlCuIa8v 7Lbg== X-Forwarded-Encrypted: i=1; AFNElJ9Y+fesNvpTpwZ6rQJpIRJLfsWtcARjUF1imMzCcMKxcXLG6BMDNRrDefmRMjVuR8ux2V6Sv8U7ljnpeg==@vger.kernel.org X-Gm-Message-State: AOJu0YxA1FgD8KPpZH7CDXgVtnPUcF5YcLw+B+x97DNfHxhRGPtD+rOD PFTBS/DamwMH3Bya6Dazd0a0tUl4iP1hQ5/ifZ4+62T2vCkgb1/aiB3v X-Gm-Gg: Acq92OHYwepgj8mXU3bY9CrbRlX5BvBCU6co6nkiEGqdEUUtN3ZEPgzOTszznYn8ZnA O9IJQEUIOhtH5P36PlcqcBBkmwyV76gWXJwLDAaDBvDsvVKphP50wszH+dDAyiPxyH9Cl0iXpNr P54zO0UnnigdLFXv0W3heRw5xKMzEOOo85B/AXWuknEH32xk2YHFKdnkVm7dW0K3pgoIg07zlQl rf+ZEkQrS+/c22ww5K/izbvYFQ0FujdBbueY60SxXyV7ZxvHP2fAPt5VYu1FtduT94MdXWpGtIQ zLwofRiNjefzFOy0tkJMEjFeznskRcyxg5eP610ZV1kOjQ/zbUjy0MxCPhdK2ITr9+/US1DkyTl We7E3e4anvNOraJowKHxkF0wkPWaykdHVdhSdKVAK2+4IP92wT3D/ai4TuSkKMXvVVcHUK9pvEY HJO9iN1dv7B1eJqxZpzUUpZ0Xr+zwitIaxhw== X-Received: by 2002:a17:907:6d05:b0:bed:afd7:185 with SMTP id a640c23a62f3a-bf3737ed359mr332707666b.43.1780721921881; Fri, 05 Jun 2026 21:58:41 -0700 (PDT) Received: from xeon ([188.163.112.61]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-bf054e086fesm570597166b.32.2026.06.05.21.58.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Jun 2026 21:58:40 -0700 (PDT) From: Svyatoslav Ryhel To: Lee Jones , Daniel Thompson , Jingoo Han , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Cameron , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , Helge Deller , Svyatoslav Ryhel Cc: Johan Hovold , dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-fbdev@vger.kernel.org Subject: [PATCH v4 12/14] video: backlight: lm3533_bl: Set initial mapping mode from DT Date: Sat, 6 Jun 2026 07:57:36 +0300 Message-ID: <20260606045738.21050-13-clamor95@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260606045738.21050-1-clamor95@gmail.com> References: <20260606045738.21050-1-clamor95@gmail.com> Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add support to obtain the initial mapping mode from DT instead of leaving it unconfigured. Signed-off-by: Svyatoslav Ryhel Reviewed-by: Daniel Thompson (RISCstar) --- drivers/video/backlight/lm3533_bl.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/video/backlight/lm3533_bl.c b/drivers/video/backlight/lm3533_bl.c index 9ad7ea1bbbcc..4f8cde9f290d 100644 --- a/drivers/video/backlight/lm3533_bl.c +++ b/drivers/video/backlight/lm3533_bl.c @@ -37,6 +37,7 @@ struct lm3533_bl { u32 pwm; bool have_als; + bool linear; }; @@ -226,8 +227,14 @@ static struct attribute_group lm3533_bl_attribute_group = { static int lm3533_bl_setup(struct lm3533_bl *bl) { + int ctrlbank = lm3533_bl_get_ctrlbank_id(bl); int ret; + ret = regmap_assign_bits(bl->regmap, LM3533_REG_CTRLBANK_AB_BCONF, + CTRLBANK_AB_BCONF_MODE(ctrlbank), bl->linear); + if (ret) + return ret; + ret = lm3533_ctrlbank_set_max_current(&bl->cb, bl->max_current); if (ret) return ret; @@ -281,6 +288,9 @@ static int lm3533_bl_probe(struct platform_device *pdev) props.max_brightness = LM3533_BL_MAX_BRIGHTNESS; props.brightness = default_brightness; + bl->linear = device_property_read_bool(&pdev->dev, + "ti,linear-mapping-mode"); + bd = devm_backlight_device_register(&pdev->dev, name, &pdev->dev, bl, &lm3533_bl_ops, &props); if (IS_ERR(bd)) { -- 2.53.0