linux-kernel - [PATCH 4.18 013/228] power: supply: axp288_charger: Fix initial constant_charge

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Date:   Tue,  2 Oct 2018 06:21:50 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
        Sebastian Reichel <sebastian.reichel@...labora.co.uk>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.18 013/228] power: supply: axp288_charger: Fix initial constant_charge_current value

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

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

From: Hans de Goede <hdegoede@...hat.com>

[ Upstream commit f2a42595f0865886a2d40524b0e9d15600848670 ]

We should look at val which contains the value read from the register,
not ret which is always 0 on a successful read.

Signed-off-by: Hans de Goede <hdegoede@...hat.com>
Fixes: eac53b3664f59 ("power: supply: axp288_charger: Drop platform_data dependency")
Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.co.uk>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/power/supply/axp288_charger.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/power/supply/axp288_charger.c
+++ b/drivers/power/supply/axp288_charger.c
@@ -718,7 +718,7 @@ static int charger_init_hw_regs(struct a
 	}
 
 	/* Determine charge current limit */
-	cc = (ret & CHRG_CCCV_CC_MASK) >> CHRG_CCCV_CC_BIT_POS;
+	cc = (val & CHRG_CCCV_CC_MASK) >> CHRG_CCCV_CC_BIT_POS;
 	cc = (cc * CHRG_CCCV_CC_LSB_RES) + CHRG_CCCV_CC_OFFSET;
 	info->cc = cc;