From nobody Sun Feb 8 19:56:27 2026 Received: from mail-106111.protonmail.ch (mail-106111.protonmail.ch [79.135.106.111]) (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 038D422F38E for ; Fri, 2 May 2025 09:37:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=79.135.106.111 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746178658; cv=none; b=CoOSsvVwQG6INlwgd9bWWeSLliKd9/DXwUR3ZgZEuSNEQBnfRZKz1psbq5jmkhHMuEU4Da+k1AHC8FCYgivOtinNtUfxdU+SnRle6SiZc7FSTKXVFQLigmRVrh2qtccZjWC5bCTleGtci9Tep6I6GhE/dLV316QBRDD8xcqbqSc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746178658; c=relaxed/simple; bh=RnvUeWPOArLWpl9zw08AIZIflPF7IKAVOL/3HWjfMSA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=VvvbKoYoxtdv/rFSWEc2DBta6owViRMv+8MGi/d2Lr/Bjq+j+TyVpVXIpUEis1cGAhdxXVwICBxJLEDPfnXkm88qvZFRtj1vyDzE+XsNNk2STOL179A1ftrY0XUZkIH9FfTOrr9gdT8e/NvLuEJte+Uce15pQPbALmwkrcUQE4Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=geanix.com; spf=pass smtp.mailfrom=geanix.com; dkim=pass (2048-bit key) header.d=geanix.com header.i=@geanix.com header.b=mvFXd2PU; arc=none smtp.client-ip=79.135.106.111 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=geanix.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=geanix.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=geanix.com header.i=@geanix.com header.b="mvFXd2PU" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=geanix.com; s=protonmail; t=1746178652; x=1746437852; bh=YbsmpdpA4diK8KKbR9g2hcNSmpPY3qM16EXc9X+UR0s=; h=From:Date:Subject:Message-Id:To:Cc:From:To:Cc:Date:Subject: Reply-To:Feedback-ID:Message-ID:BIMI-Selector:List-Unsubscribe: List-Unsubscribe-Post; b=mvFXd2PU34bOMv6y9+I0qpxVVFj8mx6XMfM3g0m9A1d+mfCfEqsjLaaN+UqE5fLdp KHaHvHPu1yATA9ifmy27c8sTlTupdfjVZAFWOorBqPcpWx8yPyrJSI1dG0g2UFCQ6i yhscKDcXLZXKE/3+mSPp557kDDu+Zi1Vj5s0bM1DyIL0ra/njgL0e68AFTq4aXuWWP f+TJ2fkZ9KqLn3C5XvkYaqx3SIUOrFPLCTSXp1hGef44QxrJLX4X6ZF86xmAv8av5L mScogeV/mPyed6H2qn9d2m53rWfaBWnZUkUBaAAgzQpXDtLVuBXEldX+JitfSEwDHk zz4FbPnQg3Y8w== From: Sean Nyekjaer Date: Fri, 02 May 2025 11:37:26 +0200 Subject: [PATCH] iio: imu: inv_icm42600: Fix temperature calculation 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: <20250502-imu-v1-1-129b8391a4e3@geanix.com> X-B4-Tracking: v=1; b=H4sIAFWSFGgC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDI1MDUwMj3czcUt3UlGSDtMREs5TEVEsloMqCotS0zAqwKdGxtbUAPygjg1U AAAA= X-Change-ID: 20250502-imu-edc0faa6dae9 To: Jean-Baptiste Maneyrol , Jonathan Cameron , Lars-Peter Clausen Cc: Jean-Baptiste Maneyrol , Jonathan Cameron , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Sean Nyekjaer X-Mailer: b4 0.14.2 From the documentation: "offset to be added to [Y]_raw prior toscaling by [Y]_scale" Offset should be applied before multiplying scale, so divide offset by scale to make this correct. Fixes: bc3eb0207fb5 ("iio: imu: inv_icm42600: add temperature sensor suppor= t") Signed-off-by: Sean Nyekjaer --- drivers/iio/imu/inv_icm42600/inv_icm42600_temp.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_temp.c b/drivers/iio= /imu/inv_icm42600/inv_icm42600_temp.c index 213cce1c31110e669e7191c8b42c9524c0d3e5db..91f0f381082bda3dbb95dfe1a38= adcdc4eaf5419 100644 --- a/drivers/iio/imu/inv_icm42600/inv_icm42600_temp.c +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_temp.c @@ -67,16 +67,18 @@ int inv_icm42600_temp_read_raw(struct iio_dev *indio_de= v, return IIO_VAL_INT; /* * T=C2=B0C =3D (temp / 132.48) + 25 - * Tm=C2=B0C =3D 1000 * ((temp * 100 / 13248) + 25) + * Tm=C2=B0C =3D 1000 * ((temp / 132.48) + 25) + * Tm=C2=B0C =3D 7.548309 * temp + 25000 + * Tm=C2=B0C =3D (temp + 3312) * 7.548309 * scale: 100000 / 13248 ~=3D 7.548309 - * offset: 25000 + * offset: 3312 */ case IIO_CHAN_INFO_SCALE: *val =3D 7; *val2 =3D 548309; return IIO_VAL_INT_PLUS_MICRO; case IIO_CHAN_INFO_OFFSET: - *val =3D 25000; + *val =3D 3312; return IIO_VAL_INT; default: return -EINVAL; --- base-commit: 609bc31eca06c7408e6860d8b46311ebe45c1fef change-id: 20250502-imu-edc0faa6dae9 Best regards, --=20 Sean Nyekjaer