diff options
| author | Rabin Vincent <rabin.vincent@stericsson.com> | 2011-10-11 17:20:37 +0530 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-05-22 10:59:13 +0200 |
| commit | 0c6c2a50fc24f30fad5c0a4157584b2541053bb4 (patch) | |
| tree | 55ab990f6167f7b7d2cc8e7d7db418c3be5c1315 /drivers/regulator | |
| parent | f862bcc43eb1a72edc00be57258ee5d928619c5a (diff) | |
regulators: ab5500: support get optimum mode
ST-Ericsson ID: 366715
ST-Ericsson Linux next: NA
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: I8c0bda623d849886860d835f744f5fd9c314b5e5
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/34316
Reviewed-by: QATOOLS
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/ab5500.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/regulator/ab5500.c b/drivers/regulator/ab5500.c index 8c2c5ec9974..375c676454d 100644 --- a/drivers/regulator/ab5500.c +++ b/drivers/regulator/ab5500.c @@ -60,6 +60,7 @@ struct ab5500_regulator { bool pwrctrl; bool enabled; int enable_time; + int load_lp_uA; u8 bank; u8 reg; u8 mode; @@ -127,6 +128,22 @@ static unsigned int ab5500_regulator_get_mode(struct regulator_dev *rdev) return REGULATOR_MODE_NORMAL; } +static unsigned int +ab5500_regulator_get_optimum_mode(struct regulator_dev *rdev, + int input_uV, int output_uV, int load_uA) +{ + struct ab5500_regulators *ab5500 = rdev_get_drvdata(rdev); + struct ab5500_regulator *r = ab5500->regulator[rdev_get_id(rdev)]; + unsigned int mode; + + if (load_uA <= r->load_lp_uA) + mode = REGULATOR_MODE_IDLE; + else + mode = REGULATOR_MODE_NORMAL; + + return mode; +} + static int ab5500_regulator_set_mode(struct regulator_dev *rdev, unsigned int mode) { @@ -303,6 +320,7 @@ static struct regulator_ops ab5500_regulator_variable_ops = { .list_voltage = ab5500_regulator_list_voltage, .set_mode = ab5500_regulator_set_mode, .get_mode = ab5500_regulator_get_mode, + .get_optimum_mode = ab5500_regulator_get_optimum_mode, }; static struct regulator_ops ab5500_regulator_fixed_ops = { @@ -314,6 +332,7 @@ static struct regulator_ops ab5500_regulator_fixed_ops = { .list_voltage = ab5500_regulator_list_voltage, .set_mode = ab5500_regulator_set_mode, .get_mode = ab5500_regulator_get_mode, + .get_optimum_mode = ab5500_regulator_get_optimum_mode, }; static const int ab5500_ldo_lg_voltages[] = { @@ -369,6 +388,7 @@ static struct ab5500_regulator ab5500_regulators[] = { .voltages = ab5500_ldo_lg_voltages, .num_holes = 2, /* 2 register values unused */ .enable_time = 400, + .load_lp_uA = 20000, .mode = AB5500_LDO_MODE_FULLPOWER, .update_mask = AB5500_LDO_MODE_MASK, .update_val_normal = AB5500_LDO_MODE_FULLPOWER, @@ -390,6 +410,7 @@ static struct ab5500_regulator ab5500_regulators[] = { .voltages = ab5500_ldo_lg_voltages, .num_holes = 2, /* 2 register values unused */ .enable_time = 400, + .load_lp_uA = 20000, .mode = AB5500_LDO_MODE_FULLPOWER, .update_mask = AB5500_LDO_MODE_MASK, .update_val_normal = AB5500_LDO_MODE_FULLPOWER, @@ -409,6 +430,7 @@ static struct ab5500_regulator ab5500_regulators[] = { .reg = AB5500_LDO_K_ST, .voltages = ab5500_ldo_kh_voltages, .enable_time = 400, + .load_lp_uA = 20000, .mode = AB5500_LDO_MODE_FULLPOWER, .update_mask = AB5500_LDO_MODE_MASK, .update_val_normal = AB5500_LDO_MODE_FULLPOWER, @@ -428,6 +450,7 @@ static struct ab5500_regulator ab5500_regulators[] = { .reg = AB5500_LDO_H_ST, .voltages = ab5500_ldo_kh_voltages, .enable_time = 400, + .load_lp_uA = 20000, .mode = AB5500_LDO_MODE_FULLPOWER, .update_mask = AB5500_LDO_MODE_MASK, .update_val_normal = AB5500_LDO_MODE_FULLPOWER, |