From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Abdelnasser Hussein <abdelnasserhussein11@gmail.com>
Cc: jic23@kernel.org, gregkh@linuxfoundation.org, nuno.sa@analog.com,
Michael.Hennerich@analog.com, dlechner@baylibre.com,
andy@kernel.org, linux@analog.com, linux-iio@vger.kernel.org,
linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org,
joshua.crofts1@gmail.com, error27@gmail.com,
narcisaanamaria12@gmail.com
Subject: Re: [PATCH 1/3] staging: iio: accel: adis16203: fix inclination naming and remove unsupported Y-axis
Date: Wed, 30 Sep 2026 12:21:29 +0300 [thread overview]
Message-ID: <arzUmYfK6mbznNre@ashevche-desk.local> (raw)
In-Reply-To: <20260929184900.39515-2-abdelnasserhussein11@gmail.com>
On Tue, Sep 29, 2026 at 09:48:58PM +0300, Abdelnasser Hussein wrote:
> The ADIS16203 measures inclination around a single axis. As per the
> datasheet, register 0x0C gives a 360-degree output, and 0x0E gives a
> +/- 180-degree output of the exact same measurement.
> The current driver incorrectly maps 0x0E as a separate Y-axis. This patch
> removes the phantom Y-axis, updates the naming, and adjusts the timestamp
> channel index.
Read Submitting Patches about imperative mode (search for "This patch").
> Note: The ADIS_INCLI_CHAN(X, ...) modifier is intentionally kept to
> preserve the existing userspace ABI (incli_x_raw).
This is a staging driver, why do we care about ABI preservations?
Yes, ideally it would be good to have existing user space software
continue working as before, but if this adds a confusion, better to
rework an ABI as well.
> Furthermore, removing
> the phantom Y-axis inherently shifts the scan indexes of subsequent
> channels down by one, which is expected to correct the hardware
> representation.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2026-09-30 9:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-29 18:48 [PATCH 0/3] staging: iio: accel: adis16203: fix axis mapping and cleanups Abdelnasser Hussein
2026-09-29 18:48 ` [PATCH 1/3] staging: iio: accel: adis16203: fix inclination naming and remove unsupported Y-axis Abdelnasser Hussein
2026-09-30 8:24 ` Joshua Crofts
2026-09-30 9:21 ` Andy Shevchenko [this message]
2026-09-30 11:34 ` nasser
2026-09-29 18:48 ` [PATCH 2/3] staging: iio: accel: adis16203: add missing spi_device_id table Abdelnasser Hussein
2026-09-30 6:56 ` Joshua Crofts
2026-09-30 11:35 ` nasser
2026-09-29 18:49 ` [PATCH 3/3] staging: iio: accel: adis16203: clean up register definitions and drop redundant comments Abdelnasser Hussein
2026-09-30 7:04 ` Joshua Crofts
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