From: Jonas Aaberg <jonas.aberg@stericsson.com>
Date: Fri, 11 May 2012 10:42:25 +0000 (+0200)
Subject: ab8500-charger: Do not touch VBUSOVV bits
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0ed5107fa86013c91b1752230d44b79dffee0cda;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

ab8500-charger: Do not touch VBUSOVV bits

Do not touch the VBUSOVV in USBCHTRL2 when running on AB8505.

Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Tested-by: Mian Yousaf KAUKAB <mian.yousaf.kaukab@stericsson.com>
---

diff --git a/drivers/power/ab8500_charger.c b/drivers/power/ab8500_charger.c
index a632b94e38b9..871bf5a7c42a 100644
--- a/drivers/power/ab8500_charger.c
+++ b/drivers/power/ab8500_charger.c
@@ -2671,13 +2671,23 @@ static int ab8500_charger_init_hw_registers(struct ab8500_charger *di)
 		}
 	}
 
-	/* VBUS OVV set to 6.3V and enable automatic current limitiation */
-	ret = abx500_set_register_interruptible(di->dev,
-		AB8500_CHARGER,
-		AB8500_USBCH_CTRL2_REG,
-		VBUS_OVV_SELECT_6P3V | VBUS_AUTO_IN_CURR_LIM_ENA);
+	if (is_ab9540_2p0(di->parent) || is_ab8505_2p0(di->parent))
+		ret = abx500_mask_and_set_register_interruptible(di->dev,
+			AB8500_CHARGER,
+			AB8500_USBCH_CTRL2_REG,
+			VBUS_AUTO_IN_CURR_LIM_ENA,
+			VBUS_AUTO_IN_CURR_LIM_ENA);
+	else
+		/*
+		 * VBUS OVV set to 6.3V and enable automatic current limitation
+		 */
+		ret = abx500_set_register_interruptible(di->dev,
+			AB8500_CHARGER,
+			AB8500_USBCH_CTRL2_REG,
+			VBUS_OVV_SELECT_6P3V | VBUS_AUTO_IN_CURR_LIM_ENA);
 	if (ret) {
-		dev_err(di->dev, "failed to set VBUS OVV\n");
+		dev_err(di->dev,
+			"failed to set automatic current limitation\n");
 		goto out;
 	}
 
diff --git a/include/linux/mfd/abx500/ab8500.h b/include/linux/mfd/abx500/ab8500.h
index 9dd9b99099df..b9a6a847ff61 100644
--- a/include/linux/mfd/abx500/ab8500.h
+++ b/include/linux/mfd/abx500/ab8500.h
@@ -346,4 +346,23 @@ static inline int is_ab8500_2p0(struct ab8500 *ab)
 	return (is_ab8500(ab) && (ab->chip_id == AB8500_CUT2P0));
 }
 
+static inline int is_ab8505_1p0_or_earlier(struct ab8500 *ab)
+{
+	return (is_ab8505(ab) && (ab->chip_id <= AB8500_CUT1P0));
+}
+
+static inline int is_ab8505_2p0(struct ab8500 *ab)
+{
+	return (is_ab8505(ab) && (ab->chip_id == AB8500_CUT2P0));
+}
+
+static inline int is_ab9540_1p0_or_earlier(struct ab8500 *ab)
+{
+	return (is_ab9540(ab) && (ab->chip_id <= AB8500_CUT1P0));
+}
+
+static inline int is_ab9540_2p0(struct ab8500 *ab)
+{
+	return (is_ab9540(ab) && (ab->chip_id == AB8500_CUT2P0));
+}
 #endif /* MFD_AB8500_H */