From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90F74C433EF for ; Fri, 18 Feb 2022 17:20:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238364AbiBRRUq (ORCPT ); Fri, 18 Feb 2022 12:20:46 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:35410 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238378AbiBRRUi (ORCPT ); Fri, 18 Feb 2022 12:20:38 -0500 Received: from jabberwock.ucw.cz (jabberwock.ucw.cz [46.255.230.98]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD0152B5B8A for ; Fri, 18 Feb 2022 09:20:21 -0800 (PST) Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id 64FFF1C0B81; Fri, 18 Feb 2022 18:20:19 +0100 (CET) Date: Fri, 18 Feb 2022 18:20:19 +0100 From: Pavel Machek To: Sami =?iso-8859-1?Q?Ky=F6stil=E4?= Cc: LKML , dtor@chromium.org, evanbenn@chromium.org, arnd@arndb.de, gregkh@linuxfoundation.org Subject: Re: [PATCH 1/2] drivers/misc: add a driver for HPS Message-ID: <20220218172019.GA3039@duo.ucw.cz> References: <20220127083545.1020423-1-skyostil@chromium.org> <20220127083545.1020423-2-skyostil@chromium.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="SLDf9lqlvOQaIe6s" Content-Disposition: inline In-Reply-To: <20220127083545.1020423-2-skyostil@chromium.org> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --SLDf9lqlvOQaIe6s Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > +config HPS_I2C > + tristate "ChromeOS HPS device support" > + depends on HID && I2C && PM > + help > + Say Y here if you want to enable support for the ChromeOS > + anti-snooping sensor (HPS), attached via I2C. The driver supports a > + sensor connected to the I2C bus and exposes it as a character device. > + To save power, the sensor is automatically powered down when no > + clients are accessing it. > + We don't need to know about power management here; but it would be good to have explanation what anti-snooping sensor actually does. Is it camera detecting user or what? Best regards, Pavel =09 --=20 http://www.livejournal.com/~pavelmachek --SLDf9lqlvOQaIe6s Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQRPfPO7r0eAhk010v0w5/Bqldv68gUCYg/VUwAKCRAw5/Bqldv6 8h/AAJ9ytBOO8Y97am1YaDjCvlMkJx/7MwCgveMpyC8qo082BiXp5hj3hwh3ggg= =uV4L -----END PGP SIGNATURE----- --SLDf9lqlvOQaIe6s--