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iio: accel: bma220: move bma220_power function

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Move bma220_power() before bma220_init() as a precursor to a
patch that removes code duplication.

Signed-off-by: Petre Rodan <petre.rodan@subdimension.ro>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Petre Rodan 2025-10-05 16:12:14 +03:00 committed by Jonathan Cameron
parent 5dbac275dc
commit a9865410f4
1 changed files with 25 additions and 24 deletions
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49
drivers/iio/accel/bma220_spi.c
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@ -199,6 +199,31 @@ static const struct iio_info bma220_info = {
.read_avail = bma220_read_avail,
};
static int bma220_power(struct spi_device *spi, bool up)
{
int ret;
unsigned int i;
/*
* The chip can be suspended/woken up by a simple register read.
* So, we need up to 2 register reads of the suspend register
* to make sure that the device is in the desired state.
*/
for (i = 0; i < 2; i++) {
ret = bma220_read_reg(spi, BMA220_REG_SUSPEND);
if (ret < 0)
return ret;
if (up && ret == BMA220_SUSPEND_SLEEP)
return 0;
if (!up && ret == BMA220_SUSPEND_WAKE)
return 0;
}
return -EBUSY;
}
static int bma220_init(struct spi_device *spi)
{
int ret;
@ -224,30 +249,6 @@ static int bma220_init(struct spi_device *spi)
return 0;
}
static int bma220_power(struct spi_device *spi, bool up)
{
int i, ret;
/*
* The chip can be suspended/woken up by a simple register read.
* So, we need up to 2 register reads of the suspend register
* to make sure that the device is in the desired state.
*/
for (i = 0; i < 2; i++) {
ret = bma220_read_reg(spi, BMA220_REG_SUSPEND);
if (ret < 0)
return ret;
if (up && ret == BMA220_SUSPEND_SLEEP)
return 0;
if (!up && ret == BMA220_SUSPEND_WAKE)
return 0;
}
return -EBUSY;
}
static void bma220_deinit(void *spi)
{
bma220_power(spi, false);