From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f193.google.com (mail-pg1-f193.google.com [209.85.215.193]) (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 46DFA3DE442 for ; Mon, 30 Mar 2026 17:41:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.193 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774892471; cv=none; b=cMtoixZhJ7SOmOLQxEfPGxmwGoR9XfHCLDA5W5Qytqp4APwH4c5YYBEycSuwCc3qJ/PtJYgZqzRZzzGXOtLVjOaGvh+AyxMpd7vpU/ePJ8NEf/Kli7gxsSpgcfXLSvDZkbdrmELii8WiRJO1n756sD+rEQhhxc/1ohLnlzrQsLE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774892471; c=relaxed/simple; bh=od+CttlPpI9/Mh/jJSm8FrUoGXVeBS2nvt98p6hrArk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=cwdWMgbiu9XXgCRXzSd1FZ4iekKBxgfmS6BvqJezCdIUAbrDnm3zGVR6G0TcU7KSh56gMqkpsifjesSS0+RaoRMYNpRHW1tj/A2bBO12wOuSc7IUSDb5n9pOQZq4ow0FJ/q49G3++lk2jWxkz7JrbSBZ3XLSwFlGdeqkzzDBfho= 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=ZFK/+whb; arc=none smtp.client-ip=209.85.215.193 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="ZFK/+whb" Received: by mail-pg1-f193.google.com with SMTP id 41be03b00d2f7-c76864f4e58so1385768a12.1 for ; Mon, 30 Mar 2026 10:41:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1774892470; x=1775497270; darn=lists.linux.dev; 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=Br6i/M290AXSW7sbMlbOqqhuMEb0TR9+xezMJ45NLio=; b=ZFK/+whbCUn1t7KM9B81i98OqXr2S+xv5EGvuP3AJtEhrLK5RLpRxcQB8LjHbDWpc+ YhH53zG9rI4GOIfW6u/y+PVyXp9YOXaT4V3VgoEZ8R5C9nUCwP6aw8XEE6gEdzUIME2U gzt4AcMayexVMkuvYaL51AM7kg0pgUhBGWUvop3IAfuZbQuj9gsLMTYV+DADwt2iCfkD yw6aUB8XkXmWEMj4haPA7QwhI8/uzTLfsy6UERFsB6DEf/zUTVkntjg1WgWBTuhZygxJ l7itLEyEvcVJktZAOGUqoCMAYMsct0cx6k46U8RIfx/yaK7i6sJpM0olJmjDcD5crGlG yi0g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774892470; x=1775497270; 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=Br6i/M290AXSW7sbMlbOqqhuMEb0TR9+xezMJ45NLio=; b=qJ1kfNcxwsD1MTfLAW8HI68wpeZApsv6+ucf+hZkRsdEQ+VsJ4wf+6BLLIgymz3WaE JSaThTnIGjgkapVhZcMiHQMgNj2fNvZ6r+qWeMFMYEAxDzQULW6afQ03FcVu26Qm91zS u2eH7cSnZVjOVtAxv8agrG9cpsK0lb0pjdYm/55vop851D3zfL/Z2GwafM+0N/QehkKA c2OS9YV39qTBq6nzorSbvjcwvjpadiTjzBnHU2V3Y7xgzUARK3B6y1h4b0V0v01oWiMl bnvrPKNP+QmY4kGF7CkaGHag+M180hLhsdzHUV3FCkZbjWJvSHY7jrPsli5AqP4E3aga mawg== X-Forwarded-Encrypted: i=1; AJvYcCVRWVAOaM8vJ3FU7AEaLNuNGHWDWeuLGrOJpoZ9zHCsFaBKIGER1MfbX5bIo+Ep+FPTRMrKGGMp10+nsIPY@lists.linux.dev X-Gm-Message-State: AOJu0YxntyONOOKemWRGnNmCJvGzDB1EgCWPna7Hkn/MiS/74KaIGTcc tJEE3ysmNZ4qI3cmBKlJG+QJnt94ERyH3dfeeWmZM8U3u9Fw20i7OBhI X-Gm-Gg: ATEYQzypPHVhm/y1NYOlFv+ogmjqMXjQvAONKGhiXXbQ+NEeWqg7hsxJohQE92Z8qY1 yTCxBol5CWk6HDPI0e6M9onP/SGZgL4MprZgeH6O7G0YAsKTVM1/ixphe43b32jptn2erv3Lkwg pmhYuujgOxjUenQW6h0ZgsUQpF7++EB0gNZIz+++cXNbt1yJOK34LvgfRWN+agBC+Y8jWADVoHn /8korfwXeBTArGiCqyii/DR6O2DdeSclk3mxUJVFkPl4EQkcDcmircvohiBBOa/9T6eNOwj+bam d/nWEs7pTWghpPgv60V0ECui+X2zcujzI/z55+Wie41FScAr9s163UlNygMl1m+TG01gT/3DJzk 41RPU7hl6mTISI08Hk+6hJfCLcd0g/RxcOlbruqo949WiQRYMsfzyL5dHmKRQkIFX//KEM98qHl or+RpRhZC2xhGdcAMWTRe9Z9onkYc+wcsBnqONNvZ3aD57FJE8aNA= X-Received: by 2002:a05:6a21:9987:b0:39c:113:14a4 with SMTP id adf61e73a8af0-39c87ae49e2mr13191508637.50.1774892469601; Mon, 30 Mar 2026 10:41:09 -0700 (PDT) Received: from Mahmudul.. ([2400:c600:545e:6508:42eb:3d78:89be:591b]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82ca860b125sm7844052b3a.50.2026.03.30.10.41.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Mar 2026 10:41:09 -0700 (PDT) From: "Md. Mahmudul Hasan Mabud" To: Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , Greg Kroah-Hartman Cc: Andy Shevchenko , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , linux-iio@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, "Md. Mahmudul Hasan Mabud" Subject: [PATCH v2 2/4] staging: iio: adc: ad7816: use sysfs_match_string() for mode selection Date: Mon, 30 Mar 2026 23:40:22 +0600 Message-Id: <20260330174024.20712-3-mdmahmudulhasan1511@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260330174024.20712-1-mdmahmudulhasan1511@gmail.com> References: <20260330174024.20712-1-mdmahmudulhasan1511@gmail.com> Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit --- drivers/staging/iio/adc/ad7816.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7816.c index 5acfceb90..f9a0a5a69 100644 --- a/drivers/staging/iio/adc/ad7816.c +++ b/drivers/staging/iio/adc/ad7816.c @@ -58,6 +58,11 @@ enum ad7816_type { ID_AD7818, }; +static const char * const ad7816_modes[] = { + [AD7816_FULL] = "full", + [AD7816_PD] = "power-save", +}; + /* * ad7816 data access by SPI */ @@ -135,14 +140,14 @@ static ssize_t ad7816_store_mode(struct device *dev, { struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ad7816_chip_info *chip = iio_priv(indio_dev); + int ret; - if (strcmp(buf, "full") == 0) { - gpiod_set_value(chip->rdwr_pin, 1); - chip->mode = AD7816_FULL; - } else { - gpiod_set_value(chip->rdwr_pin, 0); - chip->mode = AD7816_PD; - } + ret = sysfs_match_string(ad7816_modes, buf); + if (ret < 0) + return ret; + + chip->mode = ret; + gpiod_set_value(chip->rdwr_pin, ret == AD7816_FULL); return len; } -- 2.34.1