name ## _show(struct device *dev, struct device_attribute *attr, char *buf) \
{ \
struct ads7846 *ts = dev_get_drvdata(dev); \
- ssize_t v = ads7846_read12_ser(dev, \
+ ssize_t v = ads7846_read12_ser(&ts->spi->dev, \
READ_12BIT_SER(var)); \
if (v < 0) \
return v; \