From nobody Fri Nov 29 01:51:10 2024 Received: from mail-pl1-f172.google.com (mail-pl1-f172.google.com [209.85.214.172]) (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 41B2112AAC6; Wed, 25 Sep 2024 16:40:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727282457; cv=none; b=XgPwrk8tT5RBwjF/KqqIgpDo2xW+nHkSLAmwf8ZgsaPPp+mp5Po5IOgx/aE7jaPcFWEok7atZi03kDKHXjt6Eb4jjc8HNRTaH8t/LX3HJpU81lnyNc7n/J7vufcNgvw9UiFADrdihN1l+Fj3T6wKc9u8PMuGeSn8oEoWee1HoAc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727282457; c=relaxed/simple; bh=iIzynT3wxdbNQUAm28xrSi7VcFi+h9bvAP8GS/IJDxs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=CCN6QyHGuEiL4ZKHluh4y4gVj7sO/3BWS9T+AvIuokJfCuVsytVuC5tq24TxxWJwj36jymBaEawBxaia26pEiRgn10n6A7pV3Y3m/QseFieeXnKQNEGilBsc1od5fyw3Rr/8flKc8WYhlUo6qkXoy8LtbjVxvM5JuI2y8YZRZws= 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=knoIksF4; arc=none smtp.client-ip=209.85.214.172 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="knoIksF4" Received: by mail-pl1-f172.google.com with SMTP id d9443c01a7336-20b067fcd87so762255ad.1; Wed, 25 Sep 2024 09:40:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1727282455; x=1727887255; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=YEjrlT0R1aMpt4WYrfhUEccYhF2O0fKOQryN5FZoASQ=; b=knoIksF4XT/snxpJy+nySPV0HExDDHOkuyOF1ZgRhJ5MP2eJ92ndE9LNpD0rl6zTCT g14k/cz7FuPu44Ra7MXrGOC4aPxfH/7T7c+N9g4UxQypE/TO8ULYZCMIU5hE9wG91BUS PtZqVU1O5JilTWjW9VmwyYlK1SdLbkSC6dJcnwOm8k8Pjs1Soa+2pYQiHz8xhKslA2Pr IvO1ajYxljdeRsCuov8y5IHDbXUtbI/jgn359Mx5/dC6Bd6OVzTw0FaVp62ALAn/hpt/ wVdzxQX1daWt92TLqQFvDWfayvJvhS2TKd869djBKZ4MntySTqvTsa3zZ+CnNrSGR59n yR3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727282455; x=1727887255; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=YEjrlT0R1aMpt4WYrfhUEccYhF2O0fKOQryN5FZoASQ=; b=Zs8hbyP36S720bDGyrmkVPxLFKaWdJ4nzVs/7NiBZCMEkqbuYCMSoLT4XjZs09RWJe 6JzTt9Eaj6fI/5fWui/9t8bHmHyvtJNf27KObiSWvkGRaGY5s9fKotqeTg0ubuJkQlUA BV3K10iy4x4MohXBab3XRL6pQikg9I+QB1+TcEcOjcFZxbpq+QoJaxllMBSB18xJE7oK 5Zt25vp35TNI34EKzO3w/a2URmL0OE7qYs81T5uWNMfXvUQiO7U5hnBuqGGuo/D3T2// 0QnWoCk6Wyy0Z8Bz+OWDGDpztcXp3ZCiFSGA+cJipPuoGQ899o7XNPzsT3G9wv0lHkkO r73w== X-Forwarded-Encrypted: i=1; AJvYcCUBVZG5XuSU/noOLHpdxoXWko7GWbMnP3Fuy1Cp9gqAooOVQ8RwtW0b/D6SjTZ6ay+UNLr/S7/mjysyo2mb@vger.kernel.org, AJvYcCUec8e1YF4sqsKKFUG5s0ABX6qkoedaaFIEfEDScKDe+0Y31zFyQSb1JgYYs3alZFVk+j4EMS+WB/U4@vger.kernel.org X-Gm-Message-State: AOJu0YyhZrJMWxwqn+c46Fckif1CKk8EEN4CfUGyK1K72yFKJfA14Jo5 cWNYlKU0fGPx4xIswJYkrt7rro2HicOGHqnigfZqYNMRh1eTlTKZ X-Google-Smtp-Source: AGHT+IGnz29EzyfiIQqPfVAkp62r+SypefBfC4y6IVvB3D3rpFARxRQUwlHaolBdSZXjGDe4h/4qNA== X-Received: by 2002:a17:902:d481:b0:207:d98:52ec with SMTP id d9443c01a7336-20afc62d0f6mr20761535ad.14.1727282455473; Wed, 25 Sep 2024 09:40:55 -0700 (PDT) Received: from [127.0.1.1] ([45.32.86.188]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e06e2bbecasm1726346a91.46.2024.09.25.09.40.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Sep 2024 09:40:54 -0700 (PDT) From: Yasin Lee Date: Thu, 26 Sep 2024 00:40:17 +0800 Subject: [PATCH v2 1/2] dt-bindings: iio: tyhx,hx9023s: Add performance tuning configuration Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240926-add-performance-tuning-configuration-v2-1-fdbb654f5767@gmail.com> References: <20240926-add-performance-tuning-configuration-v2-0-fdbb654f5767@gmail.com> In-Reply-To: <20240926-add-performance-tuning-configuration-v2-0-fdbb654f5767@gmail.com> To: Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , yasin.lee.x@outlook.com Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Yasin Lee X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1728; i=yasin.lee.x@gmail.com; h=from:subject:message-id; bh=iIzynT3wxdbNQUAm28xrSi7VcFi+h9bvAP8GS/IJDxs=; b=owGbwMvMwCEYyfeRr6Zs90zG02pJDGlfbHkzBAqY33psE6w+fMetWL+MZePE6+f+qBSe/zNvw a3juk3BHaUsDIIcDLJiiixnXr9hzVd9uCf4t2sGzBxWJpAhDFycAjCRgmhGhs26095+NJi63ao3 YPmuZU//qi2XTH1V6n9GIWld07t/398z/I9vjxZ0FmIpFGnNsK9sXZ/oV1dTZOB7fVZIzqJ7q7V 40gA= X-Developer-Key: i=yasin.lee.x@gmail.com; a=openpgp; fpr=CCEBEC056F25E1BC53FB4568590EF10E7C76BB99 When hardware design introduces significant sensor data noise, performance can be improved by adjusting register settings. Signed-off-by: Yasin Lee --- .../bindings/iio/proximity/tyhx,hx9023s.yaml | 19 +++++++++++++++= ++++ 1 file changed, 19 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.y= aml b/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml index 64ce8bc8bd36..0673c40472bd 100644 --- a/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml +++ b/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml @@ -28,6 +28,18 @@ properties: =20 vdd-supply: true =20 + tyhx,performance-tuning: + description: + Optional, When hardware design introduces significant sensor data no= ise, + performance can be improved by adjusting register settings, including + but not limited to sample integration time and average sample count. + Performance tuning parameters represented as register address-value = pairs. + The array consists of 8-bit values, where each pair represents a reg= ister + address followed by the value to be written to that register. + $ref: /schemas/types.yaml#/definitions/uint8-array + minItems: 2 + maxItems: 512 + "#address-cells": const: 1 =20 @@ -65,6 +77,13 @@ examples: interrupt-parent =3D <&pio>; interrupts =3D <16 IRQ_TYPE_EDGE_FALLING>; vdd-supply =3D <&pp1800_prox>; + tyhx,performance-tuning =3D [00 00 + 02 17 + 0D 44 + 0E 44 + 0F 04 + 1F 65 + 21 65]; =20 #address-cells =3D <1>; #size-cells =3D <0>; --=20 2.43.0 From nobody Fri Nov 29 01:51:11 2024 Received: from mail-pj1-f44.google.com (mail-pj1-f44.google.com [209.85.216.44]) (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 716ED1369AA; Wed, 25 Sep 2024 16:41:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.44 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727282461; cv=none; b=nY7RLdzf3z6IFc3wxvoVRm9y+B2j1DDYrc2wkfCwFZSZQzMhZeHOizpnczMyqrPZ/GpecLyLDUjR6gw9Ci4OtIC0CXvYD9ASupEmUcH2iKIYbp5nfpDKuYvt857mhrVls6dBgL/GH8y2t+Ac1sqyAOFHo929I+qCLIoULNibu0Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727282461; c=relaxed/simple; bh=QwT382XJp5Tzqa6WmNu93tC/AnVS0dpTOdCs0F1jxuo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=mrcYA23sJFjnCmpCbhaeX4TcfBPgTmGehf67q3LTN2EJq15zN4Dq9Ph9KwmDPKX9T3PRuro+OuaLgg2bbq4Oh3U0W5nvbxJY4d6Ac9wjAxxxCo/Br89JE7hxy20Y5padj6pCJ8NtK/oZiCzUQUufQ6QGSfnQcqYSNoCutk5dpCw= 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=V+2C8YK/; arc=none smtp.client-ip=209.85.216.44 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="V+2C8YK/" Received: by mail-pj1-f44.google.com with SMTP id 98e67ed59e1d1-2d883286bd2so11137a91.2; Wed, 25 Sep 2024 09:41:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1727282460; x=1727887260; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=yDigrLr6aoyngHks4RSZ4J49MFGrODyXNvpYR5mceLA=; b=V+2C8YK/Ebu2jgOC2gd9INSh1nCIkTzV/69X5sRcJPpWdsyRJkGtWc/C6HWcnulOsP yiZwST0/ntu9A9e1zflhFaXmGg7k5Ygri9YmEN3M8ZKA9LQ5NNno5SutvGAuGj/cuiGn HoGRK8iGiMUDtuJe+/N9iwtssjdqkAW0g9hPbqOnxAfBy7YX75EEkdK7LxAC4miI4Vfg t2mLI04gBJ8Li73BXLn4Zjd1DTuJJ8qEg87RcwYxZp+3zW9n6UYiPis3BKpClSI54ZaN eQbhLKWL8XDbUOUSqUhYVtcTdDtS97sZeYkpaTFTEm1w7089oyqD8nteaGs/CyLVGDbG u3PA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727282460; x=1727887260; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=yDigrLr6aoyngHks4RSZ4J49MFGrODyXNvpYR5mceLA=; b=cE7FvwqEWHadCdKlw45V50PDEozZxNGt2zmD0n3w8sdRMl7gk53e74fJhtu+y+95Hw 52kBG7L/Ve+GcPM5pLOzCRa5f+TQ/PBdIm+mODaOm5RypFpD+D5lIcNGykDPCLCCk2hq cgUzOj0nkcWDmXue9JcxygBd2luGgSjWEV7v9p2gyklRELx3Xaf+WMqOXzvhpDOGNp2e ym0mqOJGsINq72/kBQsHGTV/LpngY4MQefoldjiqsjGDUwkK/2cHa8KbeDpkQNDDEHwG Y+X/cafSdcdOspSYFrUrXE2fzkerNEIP8dv5eaUwM3gK4tE6LBfqaZamPMl3p34869pc BtRA== X-Forwarded-Encrypted: i=1; AJvYcCWF/OfzRs9qQ0RYcVNbmTK8S+sZ4roDwqjqgRojzFYkrSQ6YB5zaQgGE6d29yI6JzDtXJDPNbkk+DCt4G/U@vger.kernel.org, AJvYcCXhfOZlLcC7XaoAQ84UjcCDvQeGslZiyRoVuaEO9I6Uo1WTs3XL8qgYRGe1x7QIYbAJR5NTT/Hq/HSg@vger.kernel.org X-Gm-Message-State: AOJu0Yz8CM36L1dfkTyhYKaU8Mu8/IcskFX0FuzKmJ/FlcZizBXEB6de KgetqWSG+qCG/CXr0rHJJLDXbeRZoBixwp0ePAHkwOu9eZpl+w20 X-Google-Smtp-Source: AGHT+IEfoZmn9R2MhbCCmjrcm6Js2E2/bRhSh0jYr3xAVIBmSG8TxrqLg2vFGrskBTvf1CxEkYlQVg== X-Received: by 2002:a17:90b:1281:b0:2e0:7e80:2018 with SMTP id 98e67ed59e1d1-2e09253dcdfmr160a91.0.1727282459781; Wed, 25 Sep 2024 09:40:59 -0700 (PDT) Received: from [127.0.1.1] ([45.32.86.188]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e06e2bbecasm1726346a91.46.2024.09.25.09.40.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Sep 2024 09:40:59 -0700 (PDT) From: Yasin Lee Date: Thu, 26 Sep 2024 00:40:18 +0800 Subject: [PATCH v2 2/2] iio: proximity: hx9023s: Add performance tuning function Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240926-add-performance-tuning-configuration-v2-2-fdbb654f5767@gmail.com> References: <20240926-add-performance-tuning-configuration-v2-0-fdbb654f5767@gmail.com> In-Reply-To: <20240926-add-performance-tuning-configuration-v2-0-fdbb654f5767@gmail.com> To: Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , yasin.lee.x@outlook.com Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Yasin Lee X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2263; i=yasin.lee.x@gmail.com; h=from:subject:message-id; bh=QwT382XJp5Tzqa6WmNu93tC/AnVS0dpTOdCs0F1jxuo=; b=owGbwMvMwCEYyfeRr6Zs90zG02pJDGlfbPnuivxJCd0itfB913fl6czb1r49Je/sFrr4oUXr4 003951Q7ShlYRDkYJAVU2Q58/oNa77qwz3Bv10zYOawMoEMYeDiFICJGLkxMszx2ax6OOPrpLvP 7FwzLjW7TQj6H6709W+lT/XXq3FRG8MZ/od+nLu6mn1hM+uvNiOTVM/IS4/slvrOdrR6dUPy+Jp pM/YBAA== X-Developer-Key: i=yasin.lee.x@gmail.com; a=openpgp; fpr=CCEBEC056F25E1BC53FB4568590EF10E7C76BB99 When hardware design introduces significant sensor data noise, performance can be improved by adjusting register settings. Signed-off-by: Yasin Lee --- drivers/iio/proximity/hx9023s.c | 45 +++++++++++++++++++++++++++++++++++++= ++++ 1 file changed, 45 insertions(+) diff --git a/drivers/iio/proximity/hx9023s.c b/drivers/iio/proximity/hx9023= s.c index 8b9f84400e00..8f7995816545 100644 --- a/drivers/iio/proximity/hx9023s.c +++ b/drivers/iio/proximity/hx9023s.c @@ -582,6 +582,47 @@ static int hx9023s_ch_en(struct hx9023s_data *data, u8= ch_id, bool en) return regmap_write(data->regmap, HX9023S_CH_NUM_CFG, data->ch_en_stat); } =20 +static int hx9023s_performance_tuning(struct hx9023s_data *data) +{ + int ret; + u32 i, len; + u8 addr_val[512]; + struct device *dev =3D regmap_get_device(data->regmap); + struct fwnode_handle *fwnode =3D dev_fwnode(dev); + + ret =3D fwnode_property_count_u8(fwnode, "tyhx,performance-tuning"); + if (ret < 2 || ret > 512) { + if (ret < 0) { + dev_err(dev, "Failed to get length of property\n"); + return ret; + } + dev_err(dev, "The property requires between 2 and 512 elements\n"); + return -EINVAL; + } + + len =3D ret; + if (len % 2 !=3D 0) { + dev_err(dev, "The property must contain an even number of elements\n"); + return -EINVAL; + } + + ret =3D fwnode_property_read_u8_array(fwnode, "tyhx,performance-tuning", = addr_val, len); + if (ret < 0) { + dev_err(dev, "Failed to read property\n"); + return ret; + } + + for (i =3D 0; i < len; i +=3D 2) { + ret =3D regmap_write(data->regmap, addr_val[i], addr_val[i + 1]); + if (ret) { + dev_err(dev, "Failed to write register\n"); + return ret; + } + } + + return ret; +} + static int hx9023s_property_get(struct hx9023s_data *data) { struct device *dev =3D regmap_get_device(data->regmap); @@ -1045,6 +1086,10 @@ static int hx9023s_probe(struct i2c_client *client) if (ret) return dev_err_probe(dev, ret, "channel config failed\n"); =20 + ret =3D hx9023s_performance_tuning(data); + if (ret) + dev_warn(dev, "performance tuning not configured\n"); + ret =3D regcache_sync(data->regmap); if (ret) return dev_err_probe(dev, ret, "regcache sync failed\n"); --=20 2.43.0