Received: by 2002:a25:23cc:0:0:0:0:0 with SMTP id j195csp1111409ybj; Tue, 5 May 2020 13:17:50 -0700 (PDT) X-Google-Smtp-Source: APiQypIkTMNYTFSBuyMMcqzWOFPO/Kd5acCxra9XtWWS6WTLyppZUZy0I8QmDnfKZmE3im1CdQ5L X-Received: by 2002:a17:906:4003:: with SMTP id v3mr4433336ejj.144.1588709870463; Tue, 05 May 2020 13:17:50 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1588709870; cv=none; d=google.com; s=arc-20160816; b=VND0ktdd4jlCD8D9FHJUxm6iVDQAF5ffL8pEGT5lXV236tdqkPIWqccQQkCmmazUSF mFSrr/Vtf5DYl+gDK62F7HJSZm1EKAnKYqo/G8k8bXFXJIw63TP6OznneRZVFB+KX1zj 9Ly7VqcS4O6nDGi/8xK2PUHdLmMgK4GXf1yBPOHpmXQVywZJwD6gjHTeuA6VxWEFYTmp dC2YbTmh6Ti9wCT7fpUAjy5NKAvZ7/KFkn+rb0YBHJhhQ+/CQDSu0gB4tibqXsnSiLc+ H89Ndo0MsCyMSe8VPblrD/HbHAWbQYAdd3aSYg62HQ902tnXTu0iHRu9X/krcMzPSViR 8MIA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=Sq5Cbb23WixdYXsMSV+krUFTbZE9rePO1zlySuvYsW0=; b=H6x/ZQY8lYt5ZmLo45KkczY5NTCkLj3xp8vmNFkgWCdT1R9sp/CRZXnuyXZgWpnfBk YOiIV9ztVpng8nsKk/vk/PDzMi+eI5ij/S9vZaS6zzIsptJwG4Rec4xsmVwaouHtKKQU aT9iTURlEAF4c0K+SjooX2yB4V9RbzziqiyLDSV1r/ALvPC+vfBulmEjMl4UecvTX8Bb T1hMoOjuJO4LF7vuRFaIEdAfq8wIw7fpxp7bXbb7OHLBXen/PWPGCzWAsA6wLNyBTvCn UVYXIG4BQRBVgPKlTpf/TKq2EP8eZWI63ILy0hzqAXV0jtN4MA7htHF7V98gqtKqEe2n 3tug== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id z70si2021769ede.463.2020.05.05.13.17.27; Tue, 05 May 2020 13:17:50 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729205AbgEEUO1 (ORCPT + 99 others); Tue, 5 May 2020 16:14:27 -0400 Received: from relay12.mail.gandi.net ([217.70.178.232]:46625 "EHLO relay12.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727785AbgEEUO1 (ORCPT ); Tue, 5 May 2020 16:14:27 -0400 Received: from localhost (lfbn-lyo-1-9-35.w86-202.abo.wanadoo.fr [86.202.105.35]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id C7098200006; Tue, 5 May 2020 20:14:00 +0000 (UTC) From: Alexandre Belloni To: linux-rtc@vger.kernel.org Cc: Rasmus Villemoes , =?UTF-8?q?Per=20N=C3=B8rgaard=20Christensen?= , linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH 5/5] rtc: pcf2127: report battery switch over Date: Tue, 5 May 2020 22:13:10 +0200 Message-Id: <20200505201310.255145-5-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200505201310.255145-1-alexandre.belloni@bootlin.com> References: <20200505201310.255145-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for the RTC_VL_BACKUP_SWITCH flag to report battery switch over events. Signed-off-by: Alexandre Belloni --- drivers/rtc/rtc-pcf2127.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c index 039078029bd4..967de68e1b03 100644 --- a/drivers/rtc/rtc-pcf2127.c +++ b/drivers/rtc/rtc-pcf2127.c @@ -188,18 +188,27 @@ static int pcf2127_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) { struct pcf2127 *pcf2127 = dev_get_drvdata(dev); - int touser; + int val, touser = 0; int ret; switch (cmd) { case RTC_VL_READ: - ret = regmap_read(pcf2127->regmap, PCF2127_REG_CTRL3, &touser); + ret = regmap_read(pcf2127->regmap, PCF2127_REG_CTRL3, &val); if (ret) return ret; - touser = touser & PCF2127_BIT_CTRL3_BLF ? RTC_VL_BACKUP_LOW : 0; + if (val & PCF2127_BIT_CTRL3_BLF) + touser = RTC_VL_BACKUP_LOW; + + if (val & PCF2127_BIT_CTRL3_BF) + touser |= RTC_VL_BACKUP_SWITCH; return put_user(touser, (unsigned int __user *)arg); + + case RTC_VL_CLR: + return regmap_update_bits(pcf2127->regmap, PCF2127_REG_CTRL3, + PCF2127_BIT_CTRL3_BF, 0); + default: return -ENOIOCTLCMD; } @@ -493,7 +502,6 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap, */ ret = regmap_update_bits(pcf2127->regmap, PCF2127_REG_CTRL3, PCF2127_BIT_CTRL3_BTSE | - PCF2127_BIT_CTRL3_BF | PCF2127_BIT_CTRL3_BIE | PCF2127_BIT_CTRL3_BLIE, 0); if (ret) { -- 2.26.2