From: Jesper Nilsson <jesper.nilsson@axis.com>
Date: Fri, 22 Feb 2013 00:44:27 +0000 (-0800)
Subject: rtc-pcf8523: add low battery voltage support
X-Git-Tag: v3.9-rc1~114^2~38
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f32bc70d5f938cfef3e534c9db6d38a3759eac6d;p=pandora-kernel.git

rtc-pcf8523: add low battery voltage support

Implement reading of the battery voltage low signal for rtc-pcf8523.

The bit is read-only and cannot be cleared by software, so no
clear function is implemented.

[akpm@linux-foundation.org: omit pcf8563_rtc_ioctl() if CONFIG_RTC_INTF_DEV=n]
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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