static int tsens_probe(struct platform_device *pdev)
{
int ret, i;
struct device *dev;
struct device_node *np;
struct tsens_priv *priv;
const struct tsens_plat_data *data;
const struct of_device_id *id;
u32 num_sensors;
if (pdev->dev.of_node)
dev = &pdev->dev;
else
dev = pdev->dev.parent;
np = dev->of_node;
id = of_match_node(tsens_table, np);
if (id)
data = id->data;
else
data = &data_8960;
num_sensors = data->num_sensors;
if (np)
of_property_read_u32(np, "#qcom,sensors", &num_sensors);
if (num_sensors <= 0) {
dev_err(dev, "invalid number of sensors\n");
return -EINVAL;
}
priv = devm_kzalloc(dev,
struct_size(priv, sensor, num_sensors),
GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->dev = dev;
priv->num_sensors = num_sensors;
priv->ops = data->ops;
for (i = 0; i < priv->num_sensors; i++) {
if (data->hw_ids)
priv->sensor[i].hw_id = data->hw_ids[i];
else
priv->sensor[i].hw_id = i;
}
priv->feat = data->feat;
priv->fields = data->fields;
if (!priv->ops || !priv->ops->init || !priv->ops->get_temp)
return -EINVAL;
ret = priv->ops->init(priv);
if (ret < 0) {
dev_err(dev, "tsens init failed\n");
return ret;
}
if (priv->ops->calibrate) {
ret = priv->ops->calibrate(priv);
if (ret < 0) {
if (ret != -EPROBE_DEFER)
dev_err(dev, "tsens calibration failed\n");
return ret;
}
}
ret = tsens_register(priv);
platform_set_drvdata(pdev, priv);
return ret;
}
static int tsens_probe(struct platform_device *pdev)
{
int ret, i, num;
struct device *dev;
struct device_node *np;
struct tsens_sensor *s;
struct tsens_device *tmdev;
const struct of_device_id *id;
if (pdev->dev.of_node)
dev = &pdev->dev;
else
dev = pdev->dev.parent;
np = dev->of_node;
num = of_property_count_u32_elems(np, "qcom,tsens-slopes");
if (num <= 0) {
dev_err(dev, "invalid tsens slopes\n");
return -EINVAL;
}
tmdev = devm_kzalloc(dev, sizeof(*tmdev) +
num * sizeof(*s), GFP_KERNEL);
if (!tmdev)
return -ENOMEM;
tmdev->dev = dev;
tmdev->num_sensors = num;
for (i = 0, s = tmdev->sensor; i < tmdev->num_sensors; i++, s++)
of_property_read_u32_index(np, "qcom,tsens-slopes", i,
&s->slope);
id = of_match_node(tsens_table, np);
if (id)
tmdev->ops = id->data;
else
tmdev->ops = &ops_8960;
if (!tmdev->ops || !tmdev->ops->init || !tmdev->ops->calibrate ||
!tmdev->ops->get_temp)
return -EINVAL;
ret = tmdev->ops->init(tmdev);
if (ret < 0) {
dev_err(dev, "tsens init failed\n");
return ret;
}
ret = tmdev->ops->calibrate(tmdev);
if (ret < 0) {
dev_err(dev, "tsens calibration failed\n");
return ret;
}
ret = tsens_register(tmdev);
platform_set_drvdata(pdev, tmdev);
return ret;
}
