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iio:st sensors: remove custom sampling frequence attribute in favour of core support.

Browse source 
This allows in kernel client drivers to access this

Signed-off-by: Jonathan Cameron <[email protected]>
Cc: Denis Ciocca <[email protected]>
Reviewed-by: Hartmut Knaack <[email protected]>
This commit is contained in:
Jonathan Cameron 2014-06-22 20:59:00 +01:00
commit 2d239c9e92
6 changed files with 56 additions and 48 deletions
Download patch file Download diff file Expand all files Collapse all files

12
drivers/iio/accel/st_accel_core.c
View file

@ -393,6 +393,9 @@ static int st_accel_read_raw(struct iio_dev *indio_dev,
*val = 0;
*val2 = adata->current_fullscale->gain;
return IIO_VAL_INT_PLUS_MICRO;
case IIO_CHAN_INFO_SAMP_FREQ:
*val = adata->odr;
return IIO_VAL_INT;
default:
return -EINVAL;
}
@ -410,6 +413,13 @@ static int st_accel_write_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_SCALE:
err = st_sensors_set_fullscale_by_gain(indio_dev, val2);
break;
case IIO_CHAN_INFO_SAMP_FREQ:
if (val2)
return -EINVAL;
mutex_lock(&indio_dev->mlock);
err = st_sensors_set_odr(indio_dev, val);
mutex_unlock(&indio_dev->mlock);
return err;
default:
return -EINVAL;
}
@ -417,14 +427,12 @@ static int st_accel_write_raw(struct iio_dev *indio_dev,
return err;
}
static ST_SENSOR_DEV_ATTR_SAMP_FREQ();
static ST_SENSORS_DEV_ATTR_SAMP_FREQ_AVAIL();
static ST_SENSORS_DEV_ATTR_SCALE_AVAIL(in_accel_scale_available);
static struct attribute *st_accel_attributes[] = {
&iio_dev_attr_sampling_frequency_available.dev_attr.attr,
&iio_dev_attr_in_accel_scale_available.dev_attr.attr,
&iio_dev_attr_sampling_frequency.dev_attr.attr,
NULL,
};

29
drivers/iio/common/st_sensors/st_sensors_core.c
View file

@ -463,35 +463,6 @@ read_wai_error:
}
EXPORT_SYMBOL(st_sensors_check_device_support);
ssize_t st_sensors_sysfs_get_sampling_frequency(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct st_sensor_data *adata = iio_priv(dev_get_drvdata(dev));
return sprintf(buf, "%d\n", adata->odr);
}
EXPORT_SYMBOL(st_sensors_sysfs_get_sampling_frequency);
ssize_t st_sensors_sysfs_set_sampling_frequency(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
int err;
unsigned int odr;
struct iio_dev *indio_dev = dev_get_drvdata(dev);
err = kstrtoint(buf, 10, &odr);
if (err < 0)
goto conversion_error;
mutex_lock(&indio_dev->mlock);
err = st_sensors_set_odr(indio_dev, odr);
mutex_unlock(&indio_dev->mlock);
conversion_error:
return err < 0 ? err : size;
}
EXPORT_SYMBOL(st_sensors_sysfs_set_sampling_frequency);
ssize_t st_sensors_sysfs_sampling_frequency_avail(struct device *dev,
struct device_attribute *attr, char *buf)
{

12
drivers/iio/gyro/st_gyro_core.c
View file

@ -245,6 +245,9 @@ static int st_gyro_read_raw(struct iio_dev *indio_dev,
*val = 0;
*val2 = gdata->current_fullscale->gain;
return IIO_VAL_INT_PLUS_MICRO;
case IIO_CHAN_INFO_SAMP_FREQ:
*val = gdata->odr;
return IIO_VAL_INT;
default:
return -EINVAL;
}
@ -262,6 +265,13 @@ static int st_gyro_write_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_SCALE:
err = st_sensors_set_fullscale_by_gain(indio_dev, val2);
break;
case IIO_CHAN_INFO_SAMP_FREQ:
if (val2)
return -EINVAL;
mutex_lock(&indio_dev->mlock);
err = st_sensors_set_odr(indio_dev, val);
mutex_unlock(&indio_dev->mlock);
return err;
default:
err = -EINVAL;
}
@ -269,14 +279,12 @@ static int st_gyro_write_raw(struct iio_dev *indio_dev,
return err;
}
static ST_SENSOR_DEV_ATTR_SAMP_FREQ();
static ST_SENSORS_DEV_ATTR_SAMP_FREQ_AVAIL();
static ST_SENSORS_DEV_ATTR_SCALE_AVAIL(in_anglvel_scale_available);
static struct attribute *st_gyro_attributes[] = {
&iio_dev_attr_sampling_frequency_available.dev_attr.attr,
&iio_dev_attr_in_anglvel_scale_available.dev_attr.attr,
&iio_dev_attr_sampling_frequency.dev_attr.attr,
NULL,
};

12
drivers/iio/magnetometer/st_magn_core.c
View file

@ -299,6 +299,9 @@ static int st_magn_read_raw(struct iio_dev *indio_dev,
else
*val2 = mdata->current_fullscale->gain;
return IIO_VAL_INT_PLUS_MICRO;
case IIO_CHAN_INFO_SAMP_FREQ:
*val = mdata->odr;
return IIO_VAL_INT;
default:
return -EINVAL;
}
@ -316,6 +319,13 @@ static int st_magn_write_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_SCALE:
err = st_sensors_set_fullscale_by_gain(indio_dev, val2);
break;
case IIO_CHAN_INFO_SAMP_FREQ:
if (val2)
return -EINVAL;
mutex_lock(&indio_dev->mlock);
err = st_sensors_set_odr(indio_dev, val);
mutex_unlock(&indio_dev->mlock);
return err;
default:
err = -EINVAL;
}
@ -323,14 +333,12 @@ static int st_magn_write_raw(struct iio_dev *indio_dev,
return err;
}
static ST_SENSOR_DEV_ATTR_SAMP_FREQ();
static ST_SENSORS_DEV_ATTR_SAMP_FREQ_AVAIL();
static ST_SENSORS_DEV_ATTR_SCALE_AVAIL(in_magn_scale_available);
static struct attribute *st_magn_attributes[] = {
&iio_dev_attr_sampling_frequency_available.dev_attr.attr,
&iio_dev_attr_in_magn_scale_available.dev_attr.attr,
&iio_dev_attr_sampling_frequency.dev_attr.attr,
NULL,
};

27
drivers/iio/pressure/st_pressure_core.c
View file

@ -307,6 +307,27 @@ static const struct st_sensors st_press_sensors[] = {
},
};
static int st_press_write_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *ch,
int val,
int val2,
long mask)
{
int err;
switch (mask) {
case IIO_CHAN_INFO_SAMP_FREQ:
if (val2)
return -EINVAL;
mutex_lock(&indio_dev->mlock);
err = st_sensors_set_odr(indio_dev, val);
mutex_unlock(&indio_dev->mlock);
return err;
default:
return -EINVAL;
}
}
static int st_press_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *ch, int *val,
int *val2, long mask)
@ -349,6 +370,9 @@ static int st_press_read_raw(struct iio_dev *indio_dev,
}
return IIO_VAL_FRACTIONAL;
case IIO_CHAN_INFO_SAMP_FREQ:
*val = pdata->odr;
return IIO_VAL_INT;
default:
return -EINVAL;
}
@ -357,12 +381,10 @@ read_error:
return err;
}
static ST_SENSOR_DEV_ATTR_SAMP_FREQ();
static ST_SENSORS_DEV_ATTR_SAMP_FREQ_AVAIL();
static struct attribute *st_press_attributes[] = {
&iio_dev_attr_sampling_frequency_available.dev_attr.attr,
&iio_dev_attr_sampling_frequency.dev_attr.attr,
NULL,
};
@ -374,6 +396,7 @@ static const struct iio_info press_info = {
.driver_module = THIS_MODULE,
.attrs = &st_press_attribute_group,
.read_raw = &st_press_read_raw,
.write_raw = &st_press_write_raw,
};
#ifdef CONFIG_IIO_TRIGGER