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 X-Spam-Level: X-Spam-Status: No, score=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 05989C46463 for ; Tue, 31 Jul 2018 17:49:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B4D6F208A3 for ; Tue, 31 Jul 2018 17:49:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=akkea.ca header.i=@akkea.ca header.b="HTmn4k64"; dkim=pass (1024-bit key) header.d=akkea.ca header.i=@akkea.ca header.b="o2IGh9Os" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B4D6F208A3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=akkea.ca Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732116AbeGaTbH (ORCPT ); Tue, 31 Jul 2018 15:31:07 -0400 Received: from node.akkea.ca ([192.155.83.177]:55606 "EHLO node.akkea.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731427AbeGaTbG (ORCPT ); Tue, 31 Jul 2018 15:31:06 -0400 Received: from localhost (localhost [127.0.0.1]) by node.akkea.ca (Postfix) with ESMTP id 3BD3A54204B; Tue, 31 Jul 2018 17:49:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=akkea.ca; s=mail; t=1533059382; bh=PgS/1ABYlkckQwWb10bLZrhLE8j/8nDmwD8eMculJHA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=HTmn4k64adj5Gf4w/gP5DIjI0KdGOkM9Vk4exnTtHBgyDt5qLkcflY0MQ5CPqsuTy Kjw3ASz1nuUCPsYG62T0Q0WveANHFXx3t3Zlx++pSxSOfRg5QP1sBOKU7PxVJfJEHU sdubrPAc1opzTI/2YkBLKotAT04tiHJtaGJT+dCg= X-Virus-Scanned: Debian amavisd-new at mail.akkea.ca Received: from node.akkea.ca ([127.0.0.1]) by localhost (mail.akkea.ca [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PESyFXpPZsKR; Tue, 31 Jul 2018 17:49:42 +0000 (UTC) Received: from midas.localdomain (S0106788a2041785e.cg.shawcable.net [68.144.56.170]) by node.akkea.ca (Postfix) with ESMTPSA id 848DC542066; Tue, 31 Jul 2018 17:49:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=akkea.ca; s=mail; t=1533059381; bh=PgS/1ABYlkckQwWb10bLZrhLE8j/8nDmwD8eMculJHA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=o2IGh9OsAiushDI3O3x0bUqHZgCxZvVQ4VfzxkQRTU3kOsgw80j5EWrEnROEfouIE y+teGeRjm9cp4zBuVgH9Flf62z4ZlmH5sIer/LUeJMbdNu37wF/4yjMa7eOnCwf96l XNNpCqLtT0Obz+uo6+N4clQS89G1UD74A5+/Ov3A= From: "Angus Ainslie (Purism)" To: Krzysztof Kozlowski Cc: angus.ainslie@puri.sm, Sebastian Reichel , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, "Angus Ainslie (Purism)" Subject: [PATCH v4 4/4] power: bq25890_charger.c: Read back the current battery voltage Date: Tue, 31 Jul 2018 11:49:09 -0600 Message-Id: <20180731174909.9392-5-angus@akkea.ca> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180731174909.9392-1-angus@akkea.ca> References: <20180731174909.9392-1-angus@akkea.ca> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The BQ2589x family has the capability of reading the current battery voltage. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Angus Ainslie (Purism) --- drivers/power/supply/bq25890_charger.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/power/supply/bq25890_charger.c b/drivers/power/supply/bq25890_charger.c index 23b39da07e56..1aa7872ddeb0 100644 --- a/drivers/power/supply/bq25890_charger.c +++ b/drivers/power/supply/bq25890_charger.c @@ -461,6 +461,15 @@ static int bq25890_power_supply_get_property(struct power_supply *psy, val->intval = bq25890_find_val(bq->init_data.iterm, TBL_ITERM); break; + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + ret = bq25890_field_read(bq, F_SYSV); /* read measured value */ + if (ret < 0) + return ret; + + /* converted_val = 2.304V + ADC_val * 20mV (table 10.3.15) */ + val->intval = 2304000 + ret * 20000; + break; + default: return -EINVAL; } @@ -669,6 +678,7 @@ static enum power_supply_property bq25890_power_supply_props[] = { POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE, POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX, POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT, + POWER_SUPPLY_PROP_VOLTAGE_NOW, }; static char *bq25890_charger_supplied_to[] = { -- 2.17.1