From: bugzilla-daemon@bugzilla.kernel.org
To: platform-driver-x86@vger.kernel.org
Subject: [Bug 213579] Clevo NH55HJ (intel tigerlake) touchpad support (GPIO can't be used as IRQ)
Date: Thu, 22 Jul 2021 07:48:48 +0000 [thread overview]
Message-ID: <bug-213579-215701-mwXfqga995@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-213579-215701@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=213579
--- Comment #35 from Andy Shevchenko (andy.shevchenko@gmail.com) ---
(In reply to wse from comment #34)
> So my noob question: From where in the firmware does this 57/44 pin
> come? Is it ACPI code (hope so, then a workaround could be crafted even
> without vendor support)? If yes: What am I looking for in the .dsl files?
GPDI is a variable in NVS that is filled by BIOS. That variable is being
converted on OS level to the INT1 with `INT1 = GNUM(GPDI)`. There are 4
(almost?) identical code snippets (one per each of I²C controllers), so you
need to see which one is in use or change all of them. This will require to
recompile complete DSDT.
I would suggest to whine at vendor and tell them that their BIOS is wrongly set
the pin for TouchPad device in DSDT. It is quite likely that Windows drivers
just ignore interrupt resource for touchpad (which is a mistake in Windows
driver, but we all know that the quality there is simply awful).
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next prev parent reply other threads:[~2021-07-22 7:48 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-213579-215701@https.bugzilla.kernel.org/>
2021-06-29 23:38 ` [Bug 213579] Clevo NH55HJ (intel tigerlake) touchpad support (GPIO can't be used as IRQ) bugzilla-daemon
2021-07-04 11:39 ` bugzilla-daemon
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