From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C0E6420B810 for ; Tue, 27 Jan 2026 15:52:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769529125; cv=none; b=TgiyhJjV3yi62EXX4KO/uOUFe2pN5gZ1dgnV0KMv/0dOlH3Jiu21CTPsgDqp4g/Yk5DBX12VRA5qV7pL+kwoVI8X5RNzvKh9tgyE39uzGD2noa0OUimMSQQzgaK9ln/r1/LlM8p/VeeZqDuiHcq/upXA1h7yVyskZjdKY2p+oZY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769529125; c=relaxed/simple; bh=5FJU4OgCOpfnzWdCyGfS8jDDD+283hQoX0yrU9QKiXM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=P+vCQRzPPFOmCASo7QL2zV4cpUPx5fqOLB1y28DmbSbF/cwiSSDWq2KhYe5Ri31IdyVbq4SBQ6ziI3ji8uY1v94qE+lgSrYbbtEKQ/vKG1D6sjHrWlXn2ZuNh0FarhY6ja8Tqd2D43v9b3nP+oJc0OkbKFNsZF98pA4yiHmZCIU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=o+Y1qTAI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="o+Y1qTAI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B1DFBC116C6; Tue, 27 Jan 2026 15:52:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769529125; bh=5FJU4OgCOpfnzWdCyGfS8jDDD+283hQoX0yrU9QKiXM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=o+Y1qTAIUKjkgnLS99VJbxyI2w6GMNoZK979j7zQQ3BehfjdpUR49oDgjFMephJaW hJF5dK7C/ic1+TE/KYX2OO4+bmb9D4gEx7o9RTj4lPdxJunloPVunfpjeNhpSnQi8z jsF7pq41BJR4EJx/yG2nYHrb/QfjBLf2YJahcaKQAFH17e531j6V8HVPHcrUkea/e8 AHPnDO6pE2Xe/LgKyN9mhvFc2CDUIJsySXlPpTyNlqqrAhdHACOq+Q5A/onGYicaT5 R7w5rLQXtrD7bNARD4F0+o5tJn+zagpaXWgG7wSr0dHlR2R4SfKhNmD2orq/Gr0Ky+ lDlJhsZZgE1bQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Fiona Klute , David Lechner , Jonathan Cameron , Sasha Levin Subject: [PATCH 6.1.y] iio: chemical: scd4x: fix reported channel endianness Date: Tue, 27 Jan 2026 10:52:02 -0500 Message-ID: <20260127155202.1927098-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2026012713-ethically-lily-296c@gregkh> References: <2026012713-ethically-lily-296c@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Fiona Klute [ Upstream commit 81d5a5366d3c20203fb9d7345e1aa46d668445a2 ] The driver converts values read from the sensor from BE to CPU endianness in scd4x_read_meas(). The result is then pushed into the buffer in scd4x_trigger_handler(), so on LE architectures parsing the buffer using the reported BE type gave wrong results. scd4x_read_raw() which provides sysfs *_raw values is not affected, it used the values returned by scd4x_read_meas() without further conversion. Fixes: 49d22b695cbb6 ("drivers: iio: chemical: Add support for Sensirion SCD4x CO2 sensor") Signed-off-by: Fiona Klute Reviewed-by: David Lechner Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Sasha Levin --- drivers/iio/chemical/scd4x.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/iio/chemical/scd4x.c b/drivers/iio/chemical/scd4x.c index 54066532ea458..690c70b94a57b 100644 --- a/drivers/iio/chemical/scd4x.c +++ b/drivers/iio/chemical/scd4x.c @@ -518,7 +518,7 @@ static const struct iio_chan_spec scd4x_channels[] = { .sign = 'u', .realbits = 16, .storagebits = 16, - .endianness = IIO_BE, + .endianness = IIO_CPU, }, }, { @@ -533,7 +533,7 @@ static const struct iio_chan_spec scd4x_channels[] = { .sign = 'u', .realbits = 16, .storagebits = 16, - .endianness = IIO_BE, + .endianness = IIO_CPU, }, }, { @@ -546,7 +546,7 @@ static const struct iio_chan_spec scd4x_channels[] = { .sign = 'u', .realbits = 16, .storagebits = 16, - .endianness = IIO_BE, + .endianness = IIO_CPU, }, }, }; -- 2.51.0