linux-kernel - Re: [PATCH v2 2/3] iio: adc: ad4695: make ad4695_exit_conversion

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Message-ID: <20250118171236.782bcb0b@jic23-huawei>
Date: Sat, 18 Jan 2025 17:12:36 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Trevor Gamblin <tgamblin@...libre.com>
Cc: Lars-Peter Clausen <lars@...afoo.de>, Michael Hennerich
 <Michael.Hennerich@...log.com>, Nuno Sá <nuno.sa@...log.com>,
 David Lechner <dlechner@...libre.com>, Jonathan Cameron
 <Jonathan.Cameron@...wei.com>, linux-iio@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/3] iio: adc: ad4695: make
 ad4695_exit_conversion_mode() more robust

On Wed, 13 Nov 2024 15:52:59 -0500
Trevor Gamblin <tgamblin@...libre.com> wrote:

> Ensure that conversion mode is successfully exited when the command is
> issued by adding an extra transfer beforehand, matching the minimum CNV
> high and low times from the AD4695 datasheet. The AD4695 has a quirk
> where the exit command only works during a conversion, so guarantee this
> happens by triggering a conversion in ad4695_exit_conversion_mode().
> Then make this even more robust by ensuring that the exit command is run
> at AD4695_REG_ACCESS_SCLK_HZ rather than the bus maximum.
> 
> Signed-off-by: Trevor Gamblin <tgamblin@...libre.com>
Applied 2 and 3 to the testing branch of iio.git.
I'll be rebasing that on rc1 once available.

Thanks,

Jonathan