#include <linux/iio/iio.h>
#include <linux/mutex.h>
-struct regulator;
-
#define MS5611_RESET 0x1e
#define MS5611_READ_ADC 0x00
#define MS5611_READ_PROM_WORD 0xA0
int (*compensate_temp_and_pressure)(struct ms5611_state *st, s32 *temp,
s32 *pressure);
- struct regulator *vdd;
};
int ms5611_probe(struct iio_dev *indio_dev, struct device *dev,
static int ms5611_init(struct iio_dev *indio_dev)
{
int ret;
- struct ms5611_state *st = iio_priv(indio_dev);
/* Enable attached regulator if any. */
- st->vdd = devm_regulator_get(indio_dev->dev.parent, "vdd");
- if (IS_ERR(st->vdd))
- return PTR_ERR(st->vdd);
-
- ret = regulator_enable(st->vdd);
- if (ret) {
- dev_err(indio_dev->dev.parent,
- "failed to enable Vdd supply: %d\n", ret);
+ ret = devm_regulator_get_enable(indio_dev->dev.parent, "vdd");
+ if (ret)
return ret;
- }
ret = ms5611_reset(indio_dev);
if (ret < 0)
- goto err_regulator_disable;
+ return ret;
ret = ms5611_read_prom(indio_dev);
if (ret < 0)
- goto err_regulator_disable;
+ return ret;
return 0;
-
-err_regulator_disable:
- regulator_disable(st->vdd);
- return ret;
-}
-
-static void ms5611_fini(const struct iio_dev *indio_dev)
-{
- const struct ms5611_state *st = iio_priv(indio_dev);
-
- regulator_disable(st->vdd);
}
int ms5611_probe(struct iio_dev *indio_dev, struct device *dev,
ms5611_trigger_handler, NULL);
if (ret < 0) {
dev_err(dev, "iio triggered buffer setup failed\n");
- goto err_fini;
+ return ret;
}
ret = iio_device_register(indio_dev);
err_buffer_cleanup:
iio_triggered_buffer_cleanup(indio_dev);
-err_fini:
- ms5611_fini(indio_dev);
return ret;
}
EXPORT_SYMBOL_NS(ms5611_probe, IIO_MS5611);
{
iio_device_unregister(indio_dev);
iio_triggered_buffer_cleanup(indio_dev);
- ms5611_fini(indio_dev);
}
EXPORT_SYMBOL_NS(ms5611_remove, IIO_MS5611);