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regulator: pwm: Adjust PWM config at probe time 

The PWM attached to a PWM regulator device might have been previously
configured by the bootloader.
Make sure the bootloader and linux config are in sync, and adjust the PWM
config if that's not the case.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Brian Norris <briannorris@chromium.org>
Tested-by: Brian Norris <briannorris@chromium.org>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Boris Brezillon 2016-06-14 11:13:17 +02:00 committed by Thierry Reding
parent 6fa231b778
commit fd4f99c4c3
1 changed files with 3 additions and 5 deletions
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8
drivers/regulator/pwm-regulator.c
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@ -316,11 +316,9 @@ 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);
ret = pwm_adjust_config(drvdata->pwm);
if (ret)
return ret;
regulator = devm_regulator_register(&pdev->dev,
&drvdata->desc, &config);