From patchwork Sun Apr 7 18:12:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 10888557 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F2DF817EF for ; Sun, 7 Apr 2019 18:13:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D663B2852D for ; Sun, 7 Apr 2019 18:13:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C9D36285CD; Sun, 7 Apr 2019 18:13:03 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CB3EE2852D for ; Sun, 7 Apr 2019 18:13:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726415AbfDGSNB (ORCPT ); Sun, 7 Apr 2019 14:13:01 -0400 Received: from muru.com ([72.249.23.125]:44666 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726362AbfDGSNB (ORCPT ); Sun, 7 Apr 2019 14:13:01 -0400 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 66CA38022; Sun, 7 Apr 2019 18:13:16 +0000 (UTC) From: Tony Lindgren To: Sebastian Reichel Cc: linux-pm@vger.kernel.org, linux-omap@vger.kernel.org Subject: [PATCH 0/7] Some fixes and improvments for cpcap battery and charger Date: Sun, 7 Apr 2019 11:12:47 -0700 Message-Id: <20190407181254.64537-1-tony@atomide.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Hi all, I've been trying to figure out how come the coulomb counter on droid 4 is off especially for the low power consumption values. Turns out the "coulomb counter" values correlate better with average power consumption if we divide the value with number of samples. Otherwise we have a curve instead of flat correlation between the register values and power consumed. I have some patches coming up eventually to fix that, but meanwhile I've noticed some minor issues in general that would be good to have out of the way. I've only tagged the first one with fixes tag, the other ones can certainly wait for the merge window considering further changes are needed at least for low power consumption values. Regards, Tony Tony Lindgren (7): power: supply: cpcap-battery: Fix division by zero power: supply: cpcap-battery: Fix low battery check power: supply: cpcap-battery: Fix signed counter sample register power: supply: cpcap-battery: Fix coulomb counter calibration register use power: supply: cpcap-battery: Use accumulator for current and power average power: supply: cpcap-battery: Fix pointless EPROBE_DEFER warnings power: supply: cpcap-charger: Fix pointless EPROBE_DEFER warnings drivers/power/supply/cpcap-battery.c | 45 +++++++++++++++------------- drivers/power/supply/cpcap-charger.c | 5 ++-- 2 files changed, 27 insertions(+), 23 deletions(-)