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authorMark Brown <broonie@kernel.org>2016-05-03 15:09:56 +0100
committerMark Brown <broonie@kernel.org>2016-05-03 15:09:56 +0100
commitbc0868c62bb13834b20a864f684cced1f84a2412 (patch)
tree2c382dcd24ac95f4dbf53d238d3161d6171d8a4b /drivers/regulator/pwm-regulator.c
parentfd786fb0276a22155058018f76eb4c665d37f170 (diff)
parent8c12ad8e916ee0477f7a0a0f00b0a87b9a21ebf7 (diff)
downloadlinux-bc0868c62bb13834b20a864f684cced1f84a2412.tar.bz2
Merge branch 'for-4.7/pwm-regulator' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm into regulator-pwm
Diffstat (limited to 'drivers/regulator/pwm-regulator.c')
-rw-r--r--drivers/regulator/pwm-regulator.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c
index 8e928f23279b..fafa3488e960 100644
--- a/drivers/regulator/pwm-regulator.c
+++ b/drivers/regulator/pwm-regulator.c
@@ -59,16 +59,16 @@ static int pwm_regulator_set_voltage_sel(struct regulator_dev *rdev,
unsigned selector)
{
struct pwm_regulator_data *drvdata = rdev_get_drvdata(rdev);
- unsigned int pwm_reg_period;
+ struct pwm_args pargs;
int dutycycle;
int ret;
- pwm_reg_period = pwm_get_period(drvdata->pwm);
+ pwm_get_args(drvdata->pwm, &pargs);
- dutycycle = (pwm_reg_period *
+ dutycycle = (pargs.period *
drvdata->duty_cycle_table[selector].dutycycle) / 100;
- ret = pwm_config(drvdata->pwm, dutycycle, pwm_reg_period);
+ ret = pwm_config(drvdata->pwm, dutycycle, pargs.period);
if (ret) {
dev_err(&rdev->dev, "Failed to configure PWM: %d\n", ret);
return ret;
@@ -126,7 +126,7 @@ static int pwm_regulator_set_voltage(struct regulator_dev *rdev,
{
struct pwm_regulator_data *drvdata = rdev_get_drvdata(rdev);
unsigned int ramp_delay = rdev->constraints->ramp_delay;
- unsigned int period = pwm_get_period(drvdata->pwm);
+ struct pwm_args pargs;
unsigned int req_diff = min_uV - rdev->constraints->min_uV;
unsigned int diff;
unsigned int duty_pulse;
@@ -134,6 +134,7 @@ static int pwm_regulator_set_voltage(struct regulator_dev *rdev,
u32 rem;
int ret;
+ pwm_get_args(drvdata->pwm, &pargs);
diff = rdev->constraints->max_uV - rdev->constraints->min_uV;
/* First try to find out if we get the iduty cycle time which is
@@ -143,16 +144,16 @@ static int pwm_regulator_set_voltage(struct regulator_dev *rdev,
* to get output voltage nearer to requested value as there is no
* calculation loss.
*/
- req_period = req_diff * period;
+ req_period = req_diff * pargs.period;
div_u64_rem(req_period, diff, &rem);
if (!rem) {
do_div(req_period, diff);
duty_pulse = (unsigned int)req_period;
} else {
- duty_pulse = (period / 100) * ((req_diff * 100) / diff);
+ duty_pulse = (pargs.period / 100) * ((req_diff * 100) / diff);
}
- ret = pwm_config(drvdata->pwm, duty_pulse, period);
+ ret = pwm_config(drvdata->pwm, duty_pulse, pargs.period);
if (ret) {
dev_err(&rdev->dev, "Failed to configure PWM: %d\n", ret);
return ret;
@@ -289,6 +290,12 @@ static int pwm_regulator_probe(struct platform_device *pdev)
return ret;
}
+ /*
+ * FIXME: pwm_apply_args() should be removed when switching to the
+ * atomic PWM API.
+ */
+ pwm_apply_args(drvdata->pwm);
+
regulator = devm_regulator_register(&pdev->dev,
&drvdata->desc, &config);
if (IS_ERR(regulator)) {