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authorJonathan Cameron <jic23@kernel.org>2014-06-22 23:59:00 +0400
committerJonathan Cameron <jic23@kernel.org>2014-07-07 12:39:57 +0400
commit2d239c9e92087d5f4f667371ae350db9f76e3191 (patch)
tree114c0ce21c9f9258ee82ac849d15b715265f07b0 /drivers/iio
parenta244e7b57f0fb778bd333b10fffbeb362b94ffc3 (diff)
downloadlinux-2d239c9e92087d5f4f667371ae350db9f76e3191.tar.xz
iio:st sensors: remove custom sampling frequence attribute in favour of core support.
This allows in kernel client drivers to access this Signed-off-by: Jonathan Cameron <jic23@kernel.org> Cc: Denis Ciocca <denis.ciocca@st.com> Reviewed-by: Hartmut Knaack <knaack.h@gmx.de>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/accel/st_accel_core.c12
-rw-r--r--drivers/iio/common/st_sensors/st_sensors_core.c29
-rw-r--r--drivers/iio/gyro/st_gyro_core.c12
-rw-r--r--drivers/iio/magnetometer/st_magn_core.c12
-rw-r--r--drivers/iio/pressure/st_pressure_core.c27
5 files changed, 55 insertions, 37 deletions
diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c
index a2abf7c2ce3b..087864854c61 100644
--- a/drivers/iio/accel/st_accel_core.c
+++ b/drivers/iio/accel/st_accel_core.c
@@ -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,
};
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
index e8b932fed70e..30fb6407fad0 100644
--- a/drivers/iio/common/st_sensors/st_sensors_core.c
+++ b/drivers/iio/common/st_sensors/st_sensors_core.c
@@ -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)
{
diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c
index ed74a9069989..f156fc6c5c6c 100644
--- a/drivers/iio/gyro/st_gyro_core.c
+++ b/drivers/iio/gyro/st_gyro_core.c
@@ -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,
};
diff --git a/drivers/iio/magnetometer/st_magn_core.c b/drivers/iio/magnetometer/st_magn_core.c
index 240a21dd0c61..a4b64130ac2f 100644
--- a/drivers/iio/magnetometer/st_magn_core.c
+++ b/drivers/iio/magnetometer/st_magn_core.c
@@ -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,
};
diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c
index cd7e01f3a93b..473d914ef470 100644
--- a/drivers/iio/pressure/st_pressure_core.c
+++ b/drivers/iio/pressure/st_pressure_core.c
@@ -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