From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f42.google.com (mail-wm1-f42.google.com [209.85.128.42]) (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 6128936DA1A for ; Fri, 20 Mar 2026 22:24:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.42 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774045472; cv=none; b=g5v55tXPemmh9iNmfI2vzRXIE5hhZpObSNJq27Uet7989+W4SJkIniMT5EvLO9MwmkLOl1kv1GyKpFL1AzEJ8QibqbUA2bEoIRyyzk7Q/dRQSc4WeynD3EjfTx71XAm9B/Qhjfa/kI++omQak8+9TEPoRFVed/yJ7ssgaiBVv3E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774045472; c=relaxed/simple; bh=A5fdWSepkSgmkvMJpmG5ZlnAONFldDTK+KtfLvuP/z0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=dLds/HexlthEKk6bJwF9TCuZhKORpE3s0YStln1IbIk26Cm8QqL5VGXJRvFqnVeHKasDF/c7N7oCSvkzq6KjTifZ3+LOYxGCW5/NUXUWVnt6J1a5KcrQAsu9PCI7QgTEAk39/d3I+bbmlDE7iGBqJXuJYy478pInHWYuE8cewCI= 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=EbHbFKK6; arc=none smtp.client-ip=209.85.128.42 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="EbHbFKK6" Received: by mail-wm1-f42.google.com with SMTP id 5b1f17b1804b1-48702d51cd0so5976365e9.2 for ; Fri, 20 Mar 2026 15:24:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1774045470; x=1774650270; 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=QLzLy2hDM9Kbvx/sb4ZAms8XilnjagJUDNjtCCjNGlk=; b=EbHbFKK6hs3F1bZSbocdY4HT2p2x4cGtxUqaXaaSfxzBiOO3iTRF4EWLz07lbz1I5d iXf26Rgru28cYN6dNMjYsNsZRHpn2Ed8zpIFzTmJpvgOeGCTB1WiaF3T6HrX7Hr7gLty wUIgOnrLNtjrQFaZQ+TKuLb0WneztJRP4QaCmFwlFtvl7Ojl2f7GAmvPp3qw2bpvkpnT UpXhgOaiYrmibmMTL00Rd+hVodrwFwYVsdU1EI8esyrY4hGS23AMFcRbWMSJXEcrCRDA QVNvSAEOCjtx5f9TQkH1T+23KqH9aekg70Pt/srx5jKYrVXz/R4DjQXxp/v+TPxJepy2 utWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774045470; x=1774650270; 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=QLzLy2hDM9Kbvx/sb4ZAms8XilnjagJUDNjtCCjNGlk=; b=fPKCSu0ky//jxVmAodheFCUpfo+h1p5AKp2PcGA8N97cvzacm9F2xu7L022RXt7p0N RQEWvE06dOmENy2B6dSuw6AC4aN+HaMu8xeiSnMmHOc8VpR47neWwI3vjUyuvn3eg3dt fj56s7QqEDIDH552zItinKjwKWp1QDgkUahOAWslwsGcXHVgXk7aSY8PSUNd5RUs1EoK 5hS9CmKAqGC+3qJd+bBpgP0rOXmGO0qT+lhald8m6hDV5NMFTEdzMJ6asYS+P7IJVbQK nBaeLuvkNvP8CzeplPBjH9jL8eKV65OG6Fgo4pxSvZL9qwyryNXYQzokweMCPsh9+c1I Zb0g== X-Forwarded-Encrypted: i=1; AJvYcCWiDFiIigGv9iJXNT49QjioNKmNhCabUJz0ccgLwMRGePMLswk1NXpb8gcV+yiLhl6Cxny3plstB6A=@vger.kernel.org X-Gm-Message-State: AOJu0YyeOGN0FUnsKiJwfiZmMOYxdyXvNvKHIrFT5kAiV5zCKxMmJjIN M5Hvz0zNJWpzoEXM2ZDNR/GvPOPhLtuIpWffGJafed2/JGH7oexrTDgB X-Gm-Gg: ATEYQzwZ0Xdka3N2wF6hrcq8LY4WcjPMilPMDwf0aNKHy+IKMj1AYCGp3V11c/7FB97 xowpDeJxDdSj6tiQMeGCdTyOYSi5tFzQvuDbjeBoliggfiAjqtMvMZlmTz3E/WPkKk283E2l1rl qe1vr255ocnOSGb/J1DsIHG+YMvUucyp55MLgywCriWU/n3vK0NnHkk/gnUW+BLO+yxoz3Fh8gx 3Ycecf+7DL86da4a0EPuHFS3JEPKzINarQkj5RjJ6oe6FTVddQLuVZmCH/y+i8MyQuaiKVDxLFF FxhD2ZKr0Ym4bbiolun/HC7417eULlYN0T3Diy6LoG/KE1zGfUCfQDVxi3tPWu8lEGDqbzZ2lfh niIsmbI+W7wtLHStiVrxInoH4Hn5Oa86iVVuC4cnmENW9gaoqjXFczjAuyALhYWs92SWa1rExs/ 4w4m2e4yu/3dKyo1oV5vW9A+HxdN8ri64APLU+9hrZMdVFFTLWvbudK4d99A== X-Received: by 2002:a05:600c:17d8:b0:483:703e:4ad9 with SMTP id 5b1f17b1804b1-486ff0291d7mr40807615e9.19.1774045469730; Fri, 20 Mar 2026 15:24:29 -0700 (PDT) Received: from localhost.localdomain ([2001:8a0:6c9b:a000:bc11:6b0a:79ed:3d9f]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43b644ae016sm9290237f8f.4.2026.03.20.15.24.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Mar 2026 15:24:29 -0700 (PDT) From: Gabriel Rondon To: lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org, gregkh@linuxfoundation.org Cc: andriy.shevchenko@intel.com, dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/3] staging: iio: ad7816: use sysfs_emit() in show functions Date: Fri, 20 Mar 2026 22:24:22 +0000 Message-Id: <20260320222424.53294-2-grondon@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20260320222424.53294-1-grondon@gmail.com> References: <20260319225719.73587-1-grondon@gmail.com> <20260320222424.53294-1-grondon@gmail.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Replace sprintf() with sysfs_emit() in all sysfs attribute show functions. sysfs_emit() is the preferred API for sysfs callbacks as it is aware of the PAGE_SIZE buffer limit. No functional change. Signed-off-by: Gabriel Rondon --- drivers/staging/iio/adc/ad7816.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7816.c index 172acf135..0e32a2295 100644 --- a/drivers/staging/iio/adc/ad7816.c +++ b/drivers/staging/iio/adc/ad7816.c @@ -124,8 +124,8 @@ static ssize_t ad7816_show_mode(struct device *dev, struct ad7816_chip_info *chip = iio_priv(indio_dev); if (chip->mode) - return sprintf(buf, "power-save\n"); - return sprintf(buf, "full\n"); + return sysfs_emit(buf, "power-save\n"); + return sysfs_emit(buf, "full\n"); } static ssize_t ad7816_store_mode(struct device *dev, @@ -156,7 +156,7 @@ static ssize_t ad7816_show_available_modes(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "full\npower-save\n"); + return sysfs_emit(buf, "full\npower-save\n"); } static IIO_DEVICE_ATTR(available_modes, 0444, ad7816_show_available_modes, @@ -169,7 +169,7 @@ static ssize_t ad7816_show_channel(struct device *dev, struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ad7816_chip_info *chip = iio_priv(indio_dev); - return sprintf(buf, "%d\n", chip->channel_id); + return sysfs_emit(buf, "%d\n", chip->channel_id); } static ssize_t ad7816_store_channel(struct device *dev, @@ -231,9 +231,9 @@ static ssize_t ad7816_show_value(struct device *dev, data &= AD7816_TEMP_FLOAT_MASK; if (value < 0) data = BIT(AD7816_TEMP_FLOAT_OFFSET) - data; - return sprintf(buf, "%d.%.2d\n", value, data * 25); + return sysfs_emit(buf, "%d.%.2d\n", value, data * 25); } - return sprintf(buf, "%u\n", data); + return sysfs_emit(buf, "%u\n", data); } static IIO_DEVICE_ATTR(value, 0444, ad7816_show_value, NULL, 0); @@ -281,9 +281,9 @@ static ssize_t ad7816_show_oti(struct device *dev, value = AD7816_BOUND_VALUE_MIN + (chip->oti_data[chip->channel_id] - AD7816_BOUND_VALUE_BASE); - return sprintf(buf, "%d\n", value); + return sysfs_emit(buf, "%d\n", value); } - return sprintf(buf, "%u\n", chip->oti_data[chip->channel_id]); + return sysfs_emit(buf, "%u\n", chip->oti_data[chip->channel_id]); } static inline ssize_t ad7816_set_oti(struct device *dev, -- 2.33.0