linux-kernel - Re: [PATCH v3] iio: chemical: bme680: Fix measurement wait duration calculation

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Message-ID: <20260205203029.5e2d9c3a@jic23-huawei>
Date: Thu, 5 Feb 2026 20:30:29 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Chris Spencer <spencercw@...il.com>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
 vassilisamir@...il.com, stable@...r.kernel.org
Subject: Re: [PATCH v3] iio: chemical: bme680: Fix measurement wait duration
 calculation

On Thu,  5 Feb 2026 14:55:45 +0000
Chris Spencer <spencercw@...il.com> wrote:

> This function refers to the Bosch BME680 API as the source of the
> calculation, but one of the constants does not match the Bosch
> implementation. This appears to be a simple transposition of two digits,
> resulting in a wait time that is too short. This can cause the following
> 'device measurement cycle incomplete' check to occasionally fail, returning
> EBUSY to user space.
> 
> Adjust the constant to match the Bosch implementation and resolve the EBUSY
> errors.
> 
> Fixes: 4241665e6ea0 ("iio: chemical: bme680: Fix sensor data read operation")
> Link: https://github.com/boschsensortec/BME68x_SensorAPI/blob/v4.4.8/bme68x.c#L521
> Signed-off-by: Chris Spencer <spencercw@...il.com>
> Acked-by: Vasileios Amoiridis <vassilisamir@...il.com>
> Cc: stable@...r.kernel.org
Applied to the fixes-togreg branch of iio.git

Thanks.

Jonathan