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Commit 2de9261c authored by Gary Bisson's avatar Gary Bisson Committed by Alexandre Belloni
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rtc: m41t80: fix SQWE override when setting an alarm 



Currently setting an alarm clears the SQWE bit which means that the
clock output is disabled no matter its previous state.

Signed-off-by: default avatarGary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
parent 80663607

drivers/rtc/rtc-m41t80.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -332,6 +332,9 @@ static int m41t80_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) 
		return err;

		return err;

	}

	}





	/* Keep SQWE bit value */

	alarmvals[0] |= (ret & M41T80_ALMON_SQWE);



	ret = i2c_smbus_read_byte_data(client, M41T80_REG_FLAGS);

	ret = i2c_smbus_read_byte_data(client, M41T80_REG_FLAGS);

	if (ret < 0)

	if (ret < 0)

		return ret;

		return ret;