From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from jabberwock.ucw.cz (jabberwock.ucw.cz [46.255.230.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8A88A13A401; Tue, 18 Jun 2024 09:06:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.255.230.98 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718701594; cv=none; b=F89o/nxjS303Y1RCaO1+tVkHQoimOyErRrBg5JGu1v1tZUisyawAM+qMhfcJ9eVAx+qAslwrfmhXE2SujVNqnJUMNBIsjZnkvg3Yzq1DLybVMALsLUFphs/LOgrFBm6rPbKajGgiPA9D8VQ7LGslKq8yURTSKRFLn2UwdUpz8k8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718701594; c=relaxed/simple; bh=1xvnTLcwUC/wXSbK0hHWiovGjdpeba1dJ2R9GFpGru0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ERvK3TloFw0mjH7IbyT+RLi2iC2hKqvl3nqTwmxJONGQu2k4j2TDQbr9WId626N3MqilumQM7QJQe4Qfq7tZfm7Ph+x4/0Y8MEBfBjr8kcRggL7IwdI4MCN/u/pm8XBK7NfZmZxvqZjfJHRXwScmAdKdYERVKe6SgrSzCdTazSg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ucw.cz; spf=pass smtp.mailfrom=ucw.cz; dkim=pass (1024-bit key) header.d=ucw.cz header.i=@ucw.cz header.b=eKYT/zhq; arc=none smtp.client-ip=46.255.230.98 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ucw.cz Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ucw.cz Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ucw.cz header.i=@ucw.cz header.b="eKYT/zhq" Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id 6499A1C0082; Tue, 18 Jun 2024 11:06:28 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ucw.cz; s=gen1; t=1718701588; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=xtv9e/zean9YtwVbvYLt9HowqzS0Av+9M4FJjz/aoWY=; b=eKYT/zhqu3DOr0M3GNkrbWzbrhYnGE/w0ZNoD0esRMh4xs7MUkkMRHJU4mshDx+jVxGa2+ 2+E/k2oxlwylVe5v0+X2v/zl+zOkorCPrGyJsD8RClnTEEf/6nER+7qmK4/RaftY/1cSb3 y93jcBKfIDQOxvqXgFm3yjIhCQ8xT80= Date: Tue, 18 Jun 2024 11:06:27 +0200 From: Pavel Machek To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Hans de Goede , Gregor Riepl , corbet@lwn.net, ilpo.jarvinen@linux.intel.com, paulmck@kernel.org, jpoimboe@kernel.org, tglx@linutronix.de, bp@alien8.de, xiongwei.song@windriver.com, linux-doc@vger.kernel.org, linux-input@vger.kernel.org, platform-driver-x86@vger.kernel.org Subject: Re: [PATCH AUTOSEL 5.10 4/8] platform/x86: touchscreen_dmi: Add support for setting touchscreen properties from cmdline Message-ID: References: <20240605120554.2968012-1-sashal@kernel.org> <20240605120554.2968012-4-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="S/N03PCznFK76NlG" Content-Disposition: inline In-Reply-To: <20240605120554.2968012-4-sashal@kernel.org> --S/N03PCznFK76NlG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > [ Upstream commit 0b178b02673998f5acca5a0365a8858ca45beedb ] >=20 > On x86/ACPI platforms touchscreens mostly just work without needing any > device/model specific configuration. But in some cases (mostly with Silead > and Goodix touchscreens) it is still necessary to manually specify various > touchscreen-properties on a per model basis. >=20 > touchscreen_dmi is a special place for DMI quirks for this, but it can be > challenging for users to figure out the right property values, especially > for Silead touchscreens where non of these can be read back from > the touchscreen-controller. >=20 > ATM users can only test touchscreen properties by editing touchscreen_dmi= =2Ec > and then building a completely new kernel which makes it unnecessary > difficult for users to test and submit properties when necessary for their > laptop / tablet model. >=20 > Add support for specifying properties on the kernel commandline to allow > users to easily figure out the right settings. See the added documentation > in kernel-parameters.txt for the commandline syntax. I don't believe this is suitable for stable. Best regards, Pavel --=20 People of Russia, stop Putin before his war on Ukraine escalates. --S/N03PCznFK76NlG Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQRPfPO7r0eAhk010v0w5/Bqldv68gUCZnFOEwAKCRAw5/Bqldv6 8uj9AKCsdtNtMZUOkf6ks4neub3NXKRZfACfcuiNamMXquKiK+ws/iD2l1txxRM= =HPHn -----END PGP SIGNATURE----- --S/N03PCznFK76NlG--