From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751367AbcJAQfW (ORCPT ); Sat, 1 Oct 2016 12:35:22 -0400 Received: from mail-pa0-f53.google.com ([209.85.220.53]:35247 "EHLO mail-pa0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750908AbcJAQfP (ORCPT ); Sat, 1 Oct 2016 12:35:15 -0400 To: linux-kernel@vger.kernel.org From: Peter Miller Subject: RTC batt_status always okay Message-ID: Date: Sat, 1 Oct 2016 09:35:53 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi everybody, can anyone tell me why the batt_status in /proc/drivers/rtc always returns okay? I measured the RTC battery voltage and it is beyond dead (0.0004V). I tested it on an IBM R51 and Lenovo R61 laptop. It even returns okay, when I boot without RTC battery at all. Thanks in advance for your help. Peter