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 CBE24C77B6C for ; Thu, 13 Apr 2023 09:37:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230259AbjDMJhT (ORCPT ); Thu, 13 Apr 2023 05:37:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59996 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230214AbjDMJhN (ORCPT ); Thu, 13 Apr 2023 05:37:13 -0400 Received: from jabberwock.ucw.cz (jabberwock.ucw.cz [46.255.230.98]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D2DA9029; Thu, 13 Apr 2023 02:37:12 -0700 (PDT) Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id DC35E1C0AB2; Thu, 13 Apr 2023 11:37:10 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ucw.cz; s=gen1; t=1681378630; 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=9wrW6YGw8zbV9hu3HkqEIo4AIU6igjIAt3TgYcW6MwI=; b=a8IIaAFL4FqtpWf6HBY2PxrERchI+NaIFKt20D9iP7ZjXhFcy5S+4trQTkqsMW9tJwn8lk cHVLYR2eZXFvrsgof+dq+Gz7m7F2IRf/0fnUeRQULozJszHWfHsLjp0RgCngEwlHHYAoGj h/Hf0q7pP/stqUI/8MkkTs3bIMihvbg= Date: Thu, 13 Apr 2023 11:37:10 +0200 From: Pavel Machek To: Tony Lindgren Cc: Ivaylo Dimitrov , kernel list , linux-arm-kernel , linux-omap@vger.kernel.org, sre@kernel.org, nekit1000@gmail.com, mpartap@gmx.net, merlijn@wizzup.org, martin_rysavy@centrum.cz, phone-devel@vger.kernel.org, maemo-leste@lists.dyne.org Subject: Re: Motorola Droid 4 -- Stopping charger when battery is full Message-ID: References: <20230309071443.GF7501@atomide.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="CsuhVVL0901ty7WX" Content-Disposition: inline In-Reply-To: <20230309071443.GF7501@atomide.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --CsuhVVL0901ty7WX Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > * Ivaylo Dimitrov [230307 14:10]: > > Also, some guys have concerns about charging (and keeping it charged) @= 4.35, > > because of the possibly reduced battery life. >=20 > Yes for devices connected to a charger for long periods the battery will > bloat up within some weeks or months. This happens easily when using a > lapdock for example. >=20 > A simple and safe solution here might be that we allow charging up to > 4.35V only once when the charger is connected. Then we let the voltage > decrease to 4.2V (or whatever known good maintenance voltage) if the > charger stays connected. Optimum solution would be user specifying "I want battery full tommorow at 8am" and doing the right thing. > For folks wanting to force the charge voltage higher we have the sysfs > interface. Yep, we just need to make sure it is usable for this. Best regards, Pavel --=20 People of Russia, stop Putin before his war on Ukraine escalates. --CsuhVVL0901ty7WX Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQRPfPO7r0eAhk010v0w5/Bqldv68gUCZDfNRgAKCRAw5/Bqldv6 8rHTAJ47T4HAPVY9l4k4nX7luvp4XtaSZQCguz3x4BEbsKm8f0ZDhRxxbHDDKXk= =vAab -----END PGP SIGNATURE----- --CsuhVVL0901ty7WX--