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>

1 files changed, 16 insertions, 6 deletions

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;
         }