diff options
Diffstat (limited to 'drivers/staging/iio')
| -rw-r--r-- | drivers/staging/iio/ring_generic.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/staging/iio/ring_generic.h b/drivers/staging/iio/ring_generic.h index 6be399a..1daeb01 100644 --- a/drivers/staging/iio/ring_generic.h +++ b/drivers/staging/iio/ring_generic.h @@ -243,12 +243,13 @@ ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr, .number = _number, \ .label = _label, \ .set_state = _controlfunc, \ - } + }; \ + static IIO_CONST_ATTR(_name##_index, #_number) #define IIO_SCAN_EL_C(_name, _number, _label, _controlfunc) \ __IIO_SCAN_EL_C(_name, _number, _label, _controlfunc) -#define __IIO_SCAN_NAMED_EL_C(_name, _string, _number, _label, _cf) \ +#define __IIO_SCAN_NAMED_EL_C(_name, _string, _number, _label, _cf) \ struct iio_scan_el iio_scan_el_##_name = { \ .dev_attr = __ATTR(_number##_##_string##_en, \ S_IRUGO | S_IWUSR, \ @@ -257,7 +258,14 @@ ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr, .number = _number, \ .label = _label, \ .set_state = _cf, \ + }; \ + static struct iio_const_attr iio_const_attr_##_name##_index = { \ + .string = #_number, \ + .dev_attr = __ATTR(_string##_index, \ + S_IRUGO, iio_read_const_attr, NULL) \ } + + #define IIO_SCAN_NAMED_EL_C(_name, _string, _number, _label, _cf) \ __IIO_SCAN_NAMED_EL_C(_name, _string, _number, _label, _cf) /** @@ -272,7 +280,8 @@ ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr, S_IRUGO | S_IWUSR, \ iio_scan_el_ts_show, \ iio_scan_el_ts_store), \ - } + }; \ + static IIO_CONST_ATTR(timestamp_index, #number) /** * IIO_CONST_ATTR_SCAN_EL_TYPE - attr to specify the data format of a scan el |