Commit fd4f99c4 authored Jun 14, 2016 by Boris Brezillon Committed by Thierry Reding Jul 11, 2016

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>

parent 6fa231b7

drivers/regulator/pwm-regulator.c

+3 −5

Original line number	Diff line number	Diff line
		@@ -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);