linux-kernel - [ 030/221] regulator: s2mps11: Fix ramp delay value shift operation

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Message-Id: <20130115185000.208416600@linuxfoundation.org>
Date:	Tue, 15 Jan 2013 10:49:17 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk, Sangbeom Kim <sbkim73@...sung.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [ 030/221] regulator: s2mps11: Fix ramp delay value shift operation

3.7-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sangbeom Kim <sbkim73@...sung.com>

commit f7ebaaeb0b4b97b20c1816f11884e7bfe610a2fa upstream.

This patch fix the abnormal ramp delay setting.
The shift operation was wrong.

Signed-off-by: Sangbeom Kim <sbkim73@...sung.com>
Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/regulator/s2mps11.c |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

--- a/drivers/regulator/s2mps11.c
+++ b/drivers/regulator/s2mps11.c
@@ -269,16 +269,16 @@ static __devinit int s2mps11_pmic_probe(
 
 	if (ramp_enable) {
 		if (s2mps11->buck2_ramp)
-			ramp_reg |= get_ramp_delay(s2mps11->ramp_delay2) >> 6;
+			ramp_reg |= get_ramp_delay(s2mps11->ramp_delay2) << 6;
 		if (s2mps11->buck3_ramp || s2mps11->buck4_ramp)
-			ramp_reg |= get_ramp_delay(s2mps11->ramp_delay34) >> 4;
+			ramp_reg |= get_ramp_delay(s2mps11->ramp_delay34) << 4;
 		sec_reg_write(iodev, S2MPS11_REG_RAMP, ramp_reg | ramp_enable);
 	}
 
 	ramp_reg &= 0x00;
-	ramp_reg |= get_ramp_delay(s2mps11->ramp_delay5) >> 6;
-	ramp_reg |= get_ramp_delay(s2mps11->ramp_delay16) >> 4;
-	ramp_reg |= get_ramp_delay(s2mps11->ramp_delay7810) >> 2;
+	ramp_reg |= get_ramp_delay(s2mps11->ramp_delay5) << 6;
+	ramp_reg |= get_ramp_delay(s2mps11->ramp_delay16) << 4;
+	ramp_reg |= get_ramp_delay(s2mps11->ramp_delay7810) << 2;
 	ramp_reg |= get_ramp_delay(s2mps11->ramp_delay9);
 	sec_reg_write(iodev, S2MPS11_REG_RAMP_BUCK, ramp_reg);
 


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