linux-kernel - [PATCH] rtc: pcf8563: don't alway enable the alarm

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Message-Id: <20171108042901.10686-1-alexandre.belloni@free-electrons.com>
Date:   Wed,  8 Nov 2017 05:29:01 +0100
From:   Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:     linux-rtc@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: [PATCH] rtc: pcf8563: don't alway enable the alarm

Allow setting the alarm and later enable it instead of enabling it
unconditionally.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
---
 drivers/rtc/rtc-pcf8563.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index 8c836c51a508..3efc86c25d27 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -387,7 +387,7 @@ static int pcf8563_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *tm)
 	if (err)
 		return err;
 
-	return pcf8563_set_alarm_mode(client, 1);
+	return pcf8563_set_alarm_mode(client, !!tm->enabled);
 }
 
 static int pcf8563_irq_enable(struct device *dev, unsigned int enabled)
-- 
2.15.0