From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Marek Vasut <marek.vasut@mailbox.org>
Cc: "Andy Shevchenko" <andy.shevchenko@gmail.com>,
"Marek Vasut" <marek.vasut+bmc150@mailbox.org>,
"Hans de Goede" <hansg@kernel.org>,
linux-iio@vger.kernel.org, "Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>,
"David Lechner" <dlechner@baylibre.com>,
"Jonathan Cameron" <jic23@kernel.org>,
"Julien Stephan" <jstephan@baylibre.com>,
"Peter Zijlstra" <peterz@infradead.org>,
"Salvatore Bonaccorso" <carnil@debian.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iio: accel: bmc150: Do not configure IRQ registers if no IRQ connected
Date: Mon, 23 Jun 2025 10:19:27 +0300 [thread overview]
Message-ID: <aFj__w2rf4UEJvhY@smile.fi.intel.com> (raw)
In-Reply-To: <3e7daf0d-6472-4e53-86eb-e5c5c1fd3640@mailbox.org>
On Sat, Jun 21, 2025 at 07:33:41PM +0200, Marek Vasut wrote:
> On 6/16/25 1:09 PM, Andy Shevchenko wrote:
> > > > You can try to monitor the /sys/kernel/debug/pinctrl/*/pins files for any
> > > > changes that might happen on the sensor events. It might (help to) reveal
> > > > the IRQ line.
> > > Sooo ... if the IRQ line is not described in ACPI, it could still be
> > > connected ? Hum, I'll try to shake the laptop next time I power it up.
> >
> > Yes, it's possible, unfortunately due to the closed / per-product
> > nature of the Windows drivers.
>
> This is the only pins I got out of this, and there doesn't seem to be
> anything changing if I shake the machine:
Yeah, it's kinda hard to catch in case it's an edge triggered interrupt.
But for level shouldn't be that hard and it seems there is no luck so
far. :-(
That said, the best workaround now is what Hans suggested.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2025-06-23 7:19 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-13 12:45 [PATCH] iio: accel: bmc150: Do not configure IRQ registers if no IRQ connected Marek Vasut
2025-06-13 15:03 ` David Lechner
2025-06-13 15:09 ` Andy Shevchenko
2025-06-13 15:09 ` Andy Shevchenko
2025-06-13 17:02 ` Marek Vasut
2025-06-14 13:03 ` Jonathan Cameron
2025-06-16 8:47 ` Andy Shevchenko
2025-06-16 11:03 ` Marek Vasut
2025-06-16 11:09 ` Andy Shevchenko
2025-06-21 17:33 ` Marek Vasut
2025-06-23 7:19 ` Andy Shevchenko [this message]
2025-06-16 12:42 ` Hans de Goede
2025-06-21 17:17 ` Jonathan Cameron
2025-06-21 17:24 ` Marek Vasut
2025-06-21 20:14 ` Hans de Goede
2026-01-08 21:55 ` Marek Vasut
2026-01-09 9:24 ` Linus Walleij
2026-01-09 15:00 ` Marek Vasut
2025-07-22 8:55 ` Uwe Kleine-König
2025-07-22 14:48 ` Marek Vasut
2025-07-23 15:19 ` Andy Shevchenko
2025-10-01 18:25 ` Salvatore Bonaccorso
2025-11-15 18:23 ` Jonathan Cameron
2025-07-24 13:41 ` Jonathan Cameron
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