On 17/02/16 17:52, Gregor Boirie wrote:
> From: Grégor Boirie <gregor.boirie@xxxxxxxxxx>
>
> Add support for an optional regulator which, if found into device-tree,
> will power on device at probing time.
> The regulator is declared into ms5611 DTS entry as a "vdd-supply" property.
>
> Signed-off-by: Gregor Boirie <gregor.boirie@xxxxxxxxxx>
This usually only gets done when it first matters to someone. Guessing it
matters to you!
Applied to the togreg branch of iio.git
Thanks,
Jonathan
> ---
> drivers/iio/pressure/ms5611_core.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/drivers/iio/pressure/ms5611_core.c b/drivers/iio/pressure/ms5611_core.c
> index acd8e37..992ad8d 100644
> --- a/drivers/iio/pressure/ms5611_core.c
> +++ b/drivers/iio/pressure/ms5611_core.c
> @@ -16,6 +16,7 @@
> #include <linux/module.h>
> #include <linux/iio/iio.h>
> #include <linux/delay.h>
> +#include <linux/regulator/consumer.h>
>
> #include <linux/iio/buffer.h>
> #include <linux/iio/triggered_buffer.h>
> @@ -290,6 +291,18 @@ static const struct iio_info ms5611_info = {
> static int ms5611_init(struct iio_dev *indio_dev)
> {
> int ret;
> + struct regulator *vdd = devm_regulator_get(indio_dev->dev.parent,
> + "vdd");
> +
> + /* Enable attached regulator if any. */
> + if (!IS_ERR(vdd)) {
> + ret = regulator_enable(vdd);
> + if (ret) {
> + dev_err(indio_dev->dev.parent,
> + "failed to enable Vdd supply: %d\n", ret);
> + return ret;
> + }
> + }
>
> ret = ms5611_reset(indio_dev);
> if (ret < 0)
>
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