[PATCH 9/9] regulator: qcom-rpm: Implement set_optimum_mode
From: Bjorn Andersson <hidden>
Date: 2015-01-28 02:47:13
Also in:
linux-arm-msm, lkml
Subsystem:
arm/qualcomm mailing list, the rest, voltage and current regulator framework · Maintainers:
Linus Torvalds, Liam Girdwood, Mark Brown
Pass the requested load directly to the rpm. Signed-off-by: Bjorn Andersson <redacted> --- drivers/regulator/qcom_rpm-regulator.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)
diff --git a/drivers/regulator/qcom_rpm-regulator.c b/drivers/regulator/qcom_rpm-regulator.c
index 8364ff3..745dd75 100644
--- a/drivers/regulator/qcom_rpm-regulator.c
+++ b/drivers/regulator/qcom_rpm-regulator.c@@ -388,6 +388,30 @@ static int rpm_reg_is_enabled(struct regulator_dev *rdev) return vreg->is_enabled; } +static int rpm_reg_set_optimum_mode(struct regulator_dev *rdev, + int input_uV, int output_uV, + int load_uA) +{ + struct qcom_rpm_reg *vreg = rdev_get_drvdata(rdev); + const struct rpm_reg_parts *parts = vreg->parts; + const struct request_member *req = &parts->ia; + int load_mA = load_uA / 1000; + int max_mA = req->mask >> req->shift; + int ret; + + if (req->mask == 0) + return -EINVAL; + + if (load_mA > max_mA) + load_mA = max_mA; + + mutex_lock(&vreg->lock); + ret = rpm_reg_write(vreg, req, load_mA); + mutex_unlock(&vreg->lock); + + return ret; +} + static struct regulator_ops uV_ops = { .list_voltage = regulator_list_voltage_linear_range,
@@ -397,6 +421,8 @@ static struct regulator_ops uV_ops = { .enable = rpm_reg_uV_enable, .disable = rpm_reg_uV_disable, .is_enabled = rpm_reg_is_enabled, + + .set_optimum_mode = rpm_reg_set_optimum_mode, }; static struct regulator_ops mV_ops = {
@@ -408,6 +434,8 @@ static struct regulator_ops mV_ops = { .enable = rpm_reg_mV_enable, .disable = rpm_reg_mV_disable, .is_enabled = rpm_reg_is_enabled, + + .set_optimum_mode = rpm_reg_set_optimum_mode, }; static struct regulator_ops switch_ops = {
--
1.9.1