Base on the data provide by Bengt Jönsson, add below enable_time settings:

Worst case enable time from data sheet:
Vana: enable time = 140 us
Vaux1/2: enable time = 200 us
Vaux3: enable time = 450 us
Vintcore: enable time = 750 us
Vamic1/2: enable time = 500 us
Vdmic: enable time = 420 us
VTVout: enable time = 500 us
Vaudio: enable time = 140 us
Vusb: enable time = 150 us

This discussion thread is available at: https://lkml.org/lkml/2013/3/26/795

Signed-off-by: Axel Lin <axel....@ingics.com>
---
 drivers/regulator/ab8500.c |   10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index 12e2740..1a38524 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -391,6 +391,7 @@ static struct ab8500_regulator_info
                        .owner          = THIS_MODULE,
                        .n_voltages     = ARRAY_SIZE(ldo_vauxn_voltages),
                        .volt_table     = ldo_vauxn_voltages,
+                       .enable_time    = 200,
                },
                .load_lp_uA             = 5000,
                .update_bank            = 0x04,
@@ -412,6 +413,7 @@ static struct ab8500_regulator_info
                        .owner          = THIS_MODULE,
                        .n_voltages     = ARRAY_SIZE(ldo_vauxn_voltages),
                        .volt_table     = ldo_vauxn_voltages,
+                       .enable_time    = 200,
                },
                .load_lp_uA             = 5000,
                .update_bank            = 0x04,
@@ -433,6 +435,7 @@ static struct ab8500_regulator_info
                        .owner          = THIS_MODULE,
                        .n_voltages     = ARRAY_SIZE(ldo_vaux3_voltages),
                        .volt_table     = ldo_vaux3_voltages,
+                       .enable_time    = 450,
                },
                .load_lp_uA             = 5000,
                .update_bank            = 0x04,
@@ -454,6 +457,7 @@ static struct ab8500_regulator_info
                        .owner          = THIS_MODULE,
                        .n_voltages     = ARRAY_SIZE(ldo_vintcore_voltages),
                        .volt_table     = ldo_vintcore_voltages,
+                       .enable_time    = 750,
                },
                .load_lp_uA             = 5000,
                .update_bank            = 0x03,
@@ -506,6 +510,7 @@ static struct ab8500_regulator_info
                        .owner          = THIS_MODULE,
                        .n_voltages     = 1,
                        .min_uV         = 3300000,
+                       .enable_time    = 150,
                },
                .update_bank            = 0x03,
                .update_reg             = 0x82,
@@ -520,6 +525,7 @@ static struct ab8500_regulator_info
                        .owner          = THIS_MODULE,
                        .n_voltages     = 1,
                        .min_uV         = 2000000,
+                       .enable_time    = 140,
                },
                .update_bank            = 0x03,
                .update_reg             = 0x83,
@@ -535,6 +541,7 @@ static struct ab8500_regulator_info
                        .owner          = THIS_MODULE,
                        .n_voltages     = 1,
                        .min_uV         = 2050000,
+                       .enable_time    = 500,
                },
                .update_bank            = 0x03,
                .update_reg             = 0x83,
@@ -550,6 +557,7 @@ static struct ab8500_regulator_info
                        .owner          = THIS_MODULE,
                        .n_voltages     = 1,
                        .min_uV         = 2050000,
+                       .enable_time    = 500,
                },
                .update_bank            = 0x03,
                .update_reg             = 0x83,
@@ -565,6 +573,7 @@ static struct ab8500_regulator_info
                        .owner          = THIS_MODULE,
                        .n_voltages     = 1,
                        .min_uV         = 1800000,
+                       .enable_time    = 420,
                },
                .update_bank            = 0x03,
                .update_reg             = 0x83,
@@ -584,6 +593,7 @@ static struct ab8500_regulator_info
                        .owner          = THIS_MODULE,
                        .n_voltages     = 1,
                        .min_uV         = 1200000,
+                       .enable_time    = 140,
                },
                .load_lp_uA             = 1000,
                .update_bank            = 0x04,
-- 
1.7.10.4



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