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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <d87f1f77-4c8b-4c49-a211-99f06ba94425@baylibre.com>
Date: Sun, 19 Jan 2025 21:46:25 -0500
From: Trevor Gamblin <tgamblin@...libre.com>
To: Jonathan Cameron <jic23@...nel.org>
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 2025-01-18 12:12, Jonathan Cameron wrote:
> 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
Thank you!